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Lady Banks’ Rose, Spring 2025 (2 of 2) / Notes on Visualizing Botany

From Flora: An illustrated History of the Garden Flower by Brent Elliott:

“In 1685, Chinese ports were officially opened to ships of all nationalities. Even then, customs regulations were so strict that foreign trade was effectively limited to Macao and Canton. Nonetheless, some Chinese plants began to arrive in Europe. Chinese chrysanthemums appeared briefly in the Netherlands in the 1680s, but soon disappeared from cultivation, while an Oriental hibiscus flowered at the Chelsea Physic Garden in the first decade of the eighteenth century. The hibiscus was introduced by the East India Company doctor James Cunningham, yet most early eighteenth-century introductions came from unidentified sources. Although Chinese plants had limited impact in Europe at the time, the accounts of Chinese gardens by Jesuit missionaries led to a fashion for Chinese-style effects in European landscapes.

“The early nineteenth century saw sporadic but enthusiastic attempts to introduce Chinese garden plants, importing to Europe the results of China’s centuries-old traditions of plant breeding. Chrysanthemums, China asters, camellias, peonies (especially tree peonies or moutans), and roses, all excited attention in Britain and Europe. Most were introduced by horticulturally minded sea captains. Sir Joseph Banks, the Director of the Royal Gardens at Kew, planted the first tree peony there in 1790. Sir Abraham Hume of Wormleybury in Hertfordshire was active in distributing peonies and chrysanthemums. Two founders of the Horticultural Society, the amateur gardener and collector Charles Francis Greville and William Townsend Aiton, the superintendent of Kew, helped distribute plants, the latter from specimens received at Kew. Among the results, in the first decade of the nineteenth century, were hydrangeas and tiger lilies. In 1818, John Reeves, a tea inspector at Canton, began to send plants to the Horticultural Society, among them some of the first wisterias….

“In the 1820s the Society sent two collectors to China: the first, John Potts, returned with seed of
Primula sinensis; the second, John Damper Parks, was sent with specific instructions to look for the yellow form of Rosa banksiae.”


Hello!

This is the second of two posts featuring photographs of a rambunctious Lady Banks’ Rose from Oakland Cemetery. The first post is Lady Banks’ Rose, Spring 2025 (1 of 2).

As I’ve mentioned more than once here, I sometimes experiment with several AI tools to help me learn more about the plants and flowers I photograph. For me, it’s a shortcut to merge what I’ve learned about photography with what I continue learning about botany. And at this point, I’ve used them enough to recognize — despite appropriate misgivings about their future impact (as seen in aggressive marketing mixed with technological utopianism) — how they’ve improved over the past couple of years in areas that are relevant to me: photography and botany. I interact with ClaudeAI the most because in my experience it excels at explaining things in a botanical or historical context, and clarifying any questions I have or resolving what appear to be contradictions in its explanations.

Two years ago, I couldn’t get any of the AI tools to accurately identify flowers that are perhaps universally known to human beings. In other words, they couldn’t tell the difference (for example) between a daffodil and a tulip, despite each of those having easily recognized and distinct shapes. Fast forward a bit, and now Claude can tell me what’s in a photograph in detail — from the colors in the image, to the subject, to the shapes and structures in the background — and can usually identify a plant from one or two photographs, especially if the photographs contain other elements besides its flowers, like the stems, leaves, and surroundings where it’s growing.

At the same time, the tool understands characteristics of photography in surprising ways. It’s able to analyze a photograph, describe its compositional strengths and weaknesses using photographic concepts, and suggest improvements. I’ve used that capability to get recommendations about how to create better separation between subject and background in a photograph, how to most efficiently mask parts of a complex image before making adjustments, and how to use features in Lightroom in ways I hadn’t thought about before with step-by-step instructions. I’ve even uploaded two versions of the same image — one before I’d made any changes to it, and my final version — and asked Claude to explain the differences, which it did in terms of specific Lightroom steps I likely used to create the final version. And in one of the most useful conversations I had with it, Claude described how Lightroom’s Generative Remove Tool (which is also a form of AI) works, and how to influence its recognition of what’s in a photo so it provides better results when, say, I remove some dead flowers from a photograph of an iris and want them replaced with elements that look like nearby stems or leaves.

So to me this means I can do something like this: I can upload a few of my Lady Banks’ Rose photographs and ask for some observations both on the photographic characteristics of the image, and the botanical significance of what I photographed.

Using photos from this series, then, I inquired about three things: Rosa banksiae’s overall growth patterns; the arrangement of both opened and unopened flowers next to each other; and the red edging that appears on many of the leaves (most visible in the fourth, fifth, and sixth images below).

Here’s what Claude told me (that is, here’s what I learned):

Your photographic observations reveal some fascinating botanical principles at work, and I think exploring these visual elements will deepen your understanding of how this ancient rose species has evolved to thrive in its environment.

Let’s start with those dramatic architectural forms you’re capturing. When you photograph branches that seem to hang in midair or run in seemingly impossible directions, you’re documenting what botanists call “thigmomorphogenesis” — the way plants respond to physical touch and mechanical stress. Think of Rosa banksiae as nature’s sculptor, constantly feeling its way through three-dimensional space. Each branch that encounters a tree trunk, stone monument, or even another branch of itself will change its growth direction, creating unexpected angles and curves that make your photographs so dynamic.

The arched sweep pattern connects to something even more fundamental about how this rose conquers space. Picture the plant as following what we might call a “fountain strategy.” The main stems grow upward with vigor, but as they extend and become heavier with foliage and flowers, gravity naturally pulls them into those graceful arcs. This isn’t random — it’s an evolutionary solution that allows the plant to cover maximum territory while maintaining structural integrity.

Now, let’s examine those clusters of flowers mixed with unopened buds pointing skyward. This arrangement demonstrates what botanists call “determinate flowering” combined with “sequential bloom timing.” Think of each flower cluster as a carefully orchestrated performance where not all the actors appear on stage simultaneously. The buds pointing upward are positioned to catch maximum sunlight as they develop, while the opened flowers below them have already completed their primary function of attracting pollinators. This staggered timing extends the overall flowering period and ensures that some flowers are always at peak attractiveness to insects, even within a single cluster.

The red-edged leaves you’ve noticed represent one of the most overlooked aspects of Rosa banksiae’s botanical sophistication. That thin red margin isn’t merely decorative — it’s a sophisticated adaptation that tells us several important things about the plant’s physiology. The red pigmentation comes from anthocyanins, the same compounds that create red autumn leaves. In Rosa banksiae, these pigments serve as a natural sunscreen, protecting the delicate leaf edges from damage while also potentially deterring certain leaf-eating insects.

Think about what this means photographically and botanically. Those red edges create visual definition that helps each individual leaflet stand out against complex backgrounds. But from the plant’s perspective, this edge pigmentation represents millions of years of evolutionary fine-tuning. The red compounds can also act as antioxidants, helping the plant manage the chemical stress of photosynthesis in bright sunlight.

Here’s a mental exercise that might enhance your photography: next time you’re capturing the plant, try to think like the rose itself. Where would you position a branch to capture maximum sunlight while avoiding competition with neighboring growth? How would you arrange your flower clusters to attract pollinators most efficiently? When you start seeing the plant as an active participant in shaping its own form rather than a passive subject, you might discover new angles and compositions that reveal the intelligence built into its growth patterns.

The combination of these elements — the space-conquering architecture, the strategic flower timing, and the protective leaf margins — creates what we might call the “visual vocabulary” of Rosa banksiae. Each photograph you take is essentially documenting a conversation between the plant’s genetic programming and its immediate environment, written in the language of form, color, and spatial relationships.

If you read all that (you did, didn’t you?), you can likely see what I’m talking about. I didn’t just get a description of the characteristics of a Lady Banks’ Rose; I got them in a wider context of my own observations from photographs I’d taken, which the AI’s response blends into a discussion of the plant’s botany by examining my photographs, then creating a bridge between photography and botany. And the idea of “thinking like the plant itself, seeing the plant as an active participant in shaping its own form rather than a passive subject” is something I’ve probably done without realizing it; but intentionally composing a photograph to reflect both its visual interest and its botanical characteristics is something I can expand on. Instead of just considering how it looks, I would consider how its appearance demonstrates its behaviors, its evolutionary strategies, and how it has adapted to its environment — and how to capture that when taking a shot.

Coincidentally (or possibly not!), I’ve been watching a fascinating documentary about plants called The Green Planet (2022). Yet another excellent David Attenborough production, this five-part documentary takes a similar approach to that suggested by Claude: it “flips the script” to show plants as active directors of their own behaviors as they engage with their environments. Attenborough describes it as filming plants, over time, in ways similar to filming animals for other nature documentaries. If you’re interested in plants at all, this documentary is worth watching (I’m on my second viewing), and here are a few sections I found compelling to whet your appetite:

  • The first episode — “Tropical Worlds” — shows how vines use their tendrils to latch onto other plants, push them out of the way, and pull themselves upward toward the sun. If you have any vines in your garden, I think you’ll find the video representation of their movement quite compelling.
  • Episode 2 — “Water Worlds” — has a segment about giant water lilies (Victoria boliviana or Victoria amazonica) that send a jagged spike from beneath the water to the surface. The spike (which reminded me of a morning star or flail weapon) then rotates in the movement of water and wind in increasingly larger circles, to clear away other plants and make room for the water lily to come — which will need a lot of open space because it’s a giant!
  • The same episode describes how a carnivorous Bladderwort (Utricularia) creates small bladders beneath the water’s surface, that are triggered upon being touched by tiny prey, after which they snap open and vacuum the prey into the bladder to consume it.
  • Episode 3 — “Seasonal Worlds” — includes a vignette that shows how nettles and brambles (which have thorns or hooks), and climbing vines like hops, appear in sequence as the first plants to fill out wild landscapes in spring, using their various “climbing appendages” to make their way through other plants and capture light, before large shrubs and trees produce leaves that cover them in shade. It also includes a segment on the parasitic dodder (Cuscuta), a tiny-leafed vine that attaches itself to other plants, punctures their stems and leaves, and sucks nutrients from the plants it attaches to. “Vampire vine” is sometimes used to describe this plant; to learn about how it works, see Scientists Find a Gene That Enables a Plant to Become a Vampire.
  • Also in this episode are examples of unusual relationships between plants and insects. The Hammer Orchid (Drakaea) produces no nectar so is incapable of summoning insects the traditional way for pollination. Instead, it produces a flower that resembles a female thynnid wasp, thereby attracting the male wasp of this single, specific species to have its way with the orchid and scatter pollen. This section of the Wikipedia article about Drakaea describes how that happens. Not to be outdone by Drakaea’s enticing escapades, the Silver Arrowreed (Ceratocaryum argenteum) produces and flings seeds that match the size, shape, color, and odor of antelope dung — which are gathered and buried by dung beetles (who have a preference for antelope droppings) to ensure the plants’ offspring germinate.

These are just a few highlights, but you can probably see — given my so-far six-year project of botanical photography — why I like this series. And each episode ends with about ten minutes explaining the techniques behind the videography, how it was filmed in part on-location and in part by recreating those locations in studios in the United Kingdom. Imagine, if you will, the complex effort required to replicate giant water lilies growing in a pond, in a studio. That’s a lot more complicated than my photography shoots at Oakland Cemetery — but I’ll bet it’s just as much fun!

Thanks for reading and taking a look!











Lady Banks’ Rose, Spring 2025 (1 of 2)

From “Banksianae Section” in History of the Rose by Roy E. Shepherd:

“Unlike that of many roses that have been in cultivation for many years, the early history of R. Banksiae is comparatively easy to trace. Historians agree on who first discovered the various forms, where they were first found, and the dates of their introduction into Europe. The lone difference of opinion exists as to when and by whom the single form, variety normalis, was first brought to Europe. Most botanists believe that [Albert] Regel discovered it in China a year or two previous to 1877, the date of his published description of it. Later, in 1884, Pierre Delavay sent a wild plant from Yunnan — presumably to Paris. The story persists, however, that it was grown in Scotland as early as 1796. If this is true, it was brought there by Robert Drummond, who accompanied his brother, Admiral Drummond, on a cruise in the China seas and returned with many plants which he planted in his gardens at Strathay, Scotland. As the plant alleged to be R. Banksiae was not able to withstand the rigors of a Scottish winter, it froze to the ground each year, therefore did not bloom and was thought to be of such little value that it was forgotten. However, the rose persisted, and in 1909 plants from cuttings given to E. H. Woodall produced their first single white bloom….

William Kerr, one of the first professional plant collectors, is credited with the discovery of the first double white…. In 1803, the Royal Society at Kew sent him to China to search for interesting plants of that country. The Chinese government placed very definite limitations on the area he was permitted to explore, and most of his discoveries were made in gardens in or near Canton. One of these was the Double White Lady Banks Rose, which was brought to England in an East India Company ship in 1807 and planted at Kew. The botanist Robert Brown is said to have named it the Lady Banks Rose in honor of the wife of his friend, Sir Joseph Banks, who had given considerable financial aid to the Kerr expedition….

“The major characteristics of all members of this group are very similar, the differences occurring only in petalage and color of blossoms and fragrance. All are trailing or climbing with distinctive 3-or 5-foliolate leaves that are lustrous on both surfaces. Thorns are few and scattered, or they may be entirely lacking. The blossoms rarely exceed 1 inch in diameter and are produced in large close umbels rather early in the season….

“In China where these roses are known as ‘Mu-hsiang’ the bark of the roots is collected and used for dyeing fish nets. It is claimed that this dye not only strengthens the net but also makes it invisible to the fish.”


Hello!

I’ve photographed this rose (officially, Rosa banksiae) before (see Lady Banks’ Rose (and Rose Mania) from 2023, and Lady Banks’ Rose (1 of 2) or Lady Banks’ Rose (2 of 2) from last year) — but since I once again found it in bloom when I was out hunting for daffodils in March and early April, I couldn’t resist aiming the camera towards it one more time (and probably not the last time!). Given its early (and relatively short) blooming period, it’s always a surprise to come across it among those flowers and trees that bloom first to mark spring’s arrival, where it sprays a range of bright yellow and soft orange colors in the air while much of the surrounding landscape is still filling in.

The first few photographs below show the span of this shrubby vine, whose breadth seems to have expanded every time I take its pictures. That it is both a vine and shrub makes it fun to photograph by starting with wider angles, then zooming in to clusters of mounding flowers, or strands that hang in midair, or individual blooms that seem to defy gravity by pointing toward the sky. The entire exuberant structure extends from a handful of stems or trunks rising from the ground and stretches many feet from there, with some flowers standing straight up on shorter, stiffer stems and others curving over the shrub’s own branches or any other structure nearby. One could spend a couple of hours just admiring it through the camera lens, and one did!

Thanks for taking a look!










Wild (or Woodland) Tulips

From “Wild Tulips” in Tulip (Botanical) by Celia Fisher:

“Once upon a time — as all the best stories begin — tulips grew unnamed and various in the valleys and slopes between distant mountain ranges. Their bulbs enabled them to endure ice-cold winters and fierce summer heat, in contrast to which the gentle sunshine and showers of springtime made them burst into flower. Their variations of colour, shape, size and other more intimate features must have been prompted by adaptations to their environment but seem also to be full of joie de vivre….

“[
Tulipa sylvestris] was first recorded growing in Italy in the sixteenth century but only around cultivated land, especially vineyards, and even as far east as Tabriz. Its discovery in 1927 was described thus: ‘It occurs here mainly if not exclusively in orchards. It is sold in the streets in April towards the end of the month’ — both facts providing valuable clues that T. sylvestris was, many centuries ago, gathered in the wild for its appeal as a spring flower and spread happily (being stoloniferous) until it became a weed of cultivation….

“In Europe, naturalized colonies occur in France, Germany, Switzerland, the Netherlands, England, Sweden and even Norway, where it can be found near seaports. Since ships once carried soil as ballast, which at the end of the voyage might be dumped near the port, this is another clue to the journey of
T. sylvestris. Possibly the English colonies were brought by the Romans with their vines, but if so they remained unrecorded for a long while. T. sylvestris is a tulip of golden charm, with a spicy scent and oriental pointed petals that curve back at the tips even in bud. The flower droops a little on its tall, swaying stem and the backs of the petals are darkly shadowed with grey/green. They open a little untidily and sometimes the petals number up to eight…”

From “Up at a Villa — Down in the City” by Robert Browning in Browning: Poetry and Prose, selected by Simon Nowell-Smith:

Is it better in May, I ask you? you’ve summer all at once;
In a day he leaps complete with a few strong April suns!
‘Mid the sharp short emerald wheat, scarce risen three
     fingers well,
The wild tulip, at end of its tube, blows out its great red
     bell,
Like a thin clear bubble of blood, for the children to pick
     and sell….

From “A Children’s Poem” by Manocher Movlai in Flame of the Uncharted Heart: Essential Poetry, selected by Jon Schreiber:

Look at the wild tulips.
The sun has filled them up with Life.
Now they’ve opened,
offering the resin of the Sun
to the honey bees,
who don’t mind if the little birds enjoy
a taste of heaven themselves….


Hello!

Here we have clusters and closeups of Tulipa sylvestris — tiny tulips commonly called Wild Tulips or Woodland Tulips, and sometimes historically referred to as Florentine Tulips after their abundant, natural occurrence in antique Italy. I don’t see too many of these around my ‘hood — mostly at Oakland Cemetery, where I photographed these — so I like to think of them as exotic and unusual, but perhaps I should not. They are striking, though, especially when photographed to show off some of the red and orange colors on the unopened flowers, or from a slightly upward angle to capture how those colors contrast with the yellow of the rest of the petals from below.

As is apparent from the photographs, I took these on one of those excellent overcast days where sunlight is softened as it peers through the clouds. Until I started working on the photos, however, I hadn’t expected many of them to look like they’re glowing. That glow is very evident on the first five; then varies in intensity on some of the others but is visible wherever yellow/orange colors of the backs of petals contrast with darker colors, shades of purple and red. Most of the photos came out of the camera quite flat, like this…

… which I expected because of the overcast lighting conditions. At import, Lightroom is showing me the image as the camera captured it, based on the settings I chose — and yet the camera’s sensor has captured so much additional color and detail that this is like an image just waiting to be elevated.

With minor adjustments to basic settings in Lightroom (reducing highlights and whites, adding some contrast, and a little bit of texture), the details and contrasting colors that are actually present in the flower petals are revealed. I then create the “glow” effect by altering the relationships between the colors (but not changing their hues) so that the orange and yellow colors contrast more starkly with the purple and red colors.

The result…

… is similar to the shimmering effect created by red letters on a blue background or vice versa (see Chromostereopsis) — and is actually a perceptual illusion. While I often try to photograph flowers with side-lighting and backlighting to let sunlight add glow to some of the flower petals — this is quite effective with irises, for example, when lighting conditions favor it and the flowers are translucent — this is the first time I’ve tried to do it with flowers like these. They’re not translucent (despite their small size, the flower’s petals are quite thick), so light doesn’t really pass through them, but creating greater contrast between the available colors seems to yield similar results. Of course, I do like my photo manipulations and certainly like playing in the “illusion space” — so I think I’ll try repeating this approach with other flower photos.

Thanks for reading and taking a look!












Red and Rembrandt Tulips

From “Rembrandt and Florists Tulips” in Tulips: An Illustrated Identifier and Guide to Cultivation by Stanley Killingback: 

“Many will suggest that [Rembrandt and Florists] tulips… are now obsolete but they are still popular with a good number of people who would disagree with that view.

“All these tulips are ‘broken’ or ‘rectified’, which means that the flower’s anthocyanin pigment, which had been diffused over the whole petal, gathers in certain restricted areas. Stripes and splashes are the result, with the ground between white or yellow and no longer modified by the anthocyanin. This breaking we now know is caused by TBV (tulip breaking virus) and is transmitted from one plant to another mostly by aphis but possibly by other forms of life.

“These broken tulips became known as florists tulips in the seventeenth century, when the effects were first noticed. They were divided into six classes. Roses had white grounds with pink to crimson scarlet markings. Bijbloemens had white grounds with purple markings and Bizarres had yellow grounds with red and brown markings. Each colour group had two classes, feathered and flamed. The markings of a feathered flower are confined to the edges of the petal. The edges should be continuous and finely pencilled but the depth may vary considerably with the variety….

“These broken tulips of various forms had their own classification until 1969, when they were all amalgamated into one section and given the name of Rembrandt tulips.”

From “Tulips” by Margaret Belle Houston in The Lyric South: An Anthology of Recent Poetry from the South (1928), edited by Addison Hibbard:

Tulips in the window,
     For all the world to see!
Red and yellow tulips
     Draw the heart of me!

I would believe in any folk,
     Whatever their neighbors said,
With tulips in their window,
     And a little garden bed.

I would marry any man,
     And serve him with a will,
Who, living all alone, should plant
     Tulips on his sill.


Hello!

I missed photographing the tulips at Oakland Cemetery last year. I think they came and went betwixt several rounds of severe thunderstorms we had in March and April, because I only found bare stems with disembodied petals scattered on the ground when I went looking for them. They grow in a flat, open area of the property not far from daffodils I posted previously, so I suppose they weren’t well-protected from wind and rain and didn’t much appreciate getting storm-beaten.

So I was glad to find some standing tall this year, and pulled together these very many photographs of two or three different variants, all likely Tulipa gesneriana, or Garden Tulips. The tulips in the first twelve photos below are fully red, and they’re followed by a mix of bicolor red and yellow. I think that the bicolors may be two different kinds, since some of the flower petals are rounded but others come to a point or exhibit a bit of ruffling at the edges. For the last seven photos, we get a look at the asymmetrically colored tulip’s innards, which show how the alternating red and yellow colors emerge in random patterns like those that appear to have been painted on the outside.

Part of the quotation at the top of this post — “Bizarres had yellow grounds with red and brown markings. Each colour group had two classes, feathered and flamed.” — seems to describe them, and as you might guess, the idea that bicolor red and yellow tulips could be called “Bizarres” was very appealing. “Bizarres” in this context, though, probably refers more to a historical name for tulips like this, and the name was commonly used to segregate similar varieties during Tulip Mania of the seventeenth and eighteenth centuries.

“Rembrandt” was another term to describe them, and the name — after the painter Rembrandt and his use of rich, contrasting colors — was also once a tulip division. Treating the name as a tulip division still persists but is no longer technically correct; while referring to tulips with colors like the red and yellow ones below as “Rembrandt Tulips” or “Rembrandt-type Tulips” is still common. Click here if you would like to see some Internet variations that sport similar patterns in different colors identified as Rembrandts; or here if you like to see them by yet another common name — Flame Tulips — which certainly fits their appearance.

Thanks for taking a look!













Dogwood Study (2 of 2)

From “Dogwood Characteristics” in Dogwood: The Genus Cornus  by Paul Cappiello and Don Shadow:

“Of course, the flowers are what make the dogwood. Just the mere mention of the name dogwood conjures up images of sprightly spring days of crystal blue skies, fresh morning breezes, and the clear proud glow of a flowering dogwood in bloom.

“While this does a bit of injustice to the entire clan (by far, most dogwoods don’t have flowers that most casual observers would call dogwood flowers), for many this is the image of spring. In the eastern and central United States, the Pacific Northwest, throughout much of temperate Asia and parts of Europe, there is probably no better recognized, loved, or planted small flowering tree than
Cornus florida, the flowering dogwood. There are dogwood festivals, subdivisions, shopping centers, and more. In Kentucky, we even celebrate annually dogwood winter, that late spring cold snap at dogwood bloom time that reminds us all that the tomato plants we just set out can still experience a rude reminder of Mother Nature’s occasional mean-spirited jokes. No, there are few who would argue the flowering dogwood’s position as top dog among the spring-flowering trees.

“Yet, as many learn in grade school, or at least in an introductory plant materials class, the flowers of
Cornus florida aren’t white at all. Of course, the true flowers are yellow to yellow-green and not more than 0.25 inch (6 mm) across. The show is apparent in what are called involucral bracts that subtend the boss of 20 to 30 true flowers. These are the outer protective structures evident in the winter bud that sits at the end of most dormant branches. Still, a sure way to win a quick beer at a spring neighborhood barbeque is to bet the host on the color of his or her dogwood’s flowers. It’s a winner every time.”

From “Waking in Connecticut” in Fierce Day: New Poems by Rose Styron:

Amazing morning —
every tree and bush
bursting greenly —

weeping cherry
in the Japanese garden,
lilac fountains skyward
now over the pond, now low

at lawn’s rim,
white dogwood stretching
beyond the old stone walls….


Hello!

This is the second of two posts with photos of the flowering dogwood, Cornus florida, from Oakland Cemetery. The first post — where I describe my approach to taking and processing these photos, and explain some of the dogwood’s unique design features — is Dogwood Study (1 of 2).

Thanks for taking a look!