Discovering Trillium Species: Beauty in Diversity

A reflective springtime journey through Robert H. Treman and Fillmore Glen State Parks reveals the quiet beauty and botanical mysteries of red and white trilliums—exploring their species differences, color shifts, and the wonder of their ephemeral blooms.

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Late April – Robert H. Treman State Park

I follow a winding trail through hemlock and maple woods, the air cool and earthy after a spring rain. Under the canopy of budding leaves, I spot a flash of deep burgundy among the moss. Kneeling, I find a red trillium blooming at the base of an old oak. Its three velvety petals are a rich wine color against the green moss and damp leaf litter. A faint musky scent wafts from the flower – no wonder some call it “Stinking Benjamin.” Nearby stands another trillium, but this one is a pristine white star facing upward toward the light. Its broad petals have a gentle wavy edge and no noticeable odor. The red flower droops modestly while the white one opens itself to the sky. Different in color and posture, I realize these are two distinct species1 sharing the same springtime stage.

Red trilliums (Trillium erectum) and white trilliums (Trillium grandiflorum) thrive side by side on the mossy roots of a tree. The maroon “wake robin” flowers nod toward the earth, while the white blooms stand upright to catch the light.

Seeing the red and white blooms side by side feels like meeting two woodland siblings – each unique yet part of the same family. The white trillium is almost luminous in the forest gloom, while the red trillium blends into the shadows with its dark hues. Both emerge from the soil after long, cold months, timing their bloom for the brief sunny window before the trees fully leaf out. Knowing how slowly these perennials grow and how long they live makes their yearly return even more special to witness. Their resilience in coming back each spring fills me with quiet awe.

Early May – Fillmore Glen State Park

A week later, I wander the lush gorge of Fillmore Glen. The trail is alive with birdsong and the rush of a creek. Dappled sunlight slips through the greening canopy, illuminating patches of the forest floor. Rounding a bend, I catch my breath — the hillside ahead is blanketed with hundreds of white trilliums, a breathtaking constellation of blooms across the ground that feels almost sacred. Careful not to tread on any, I step closer to admire them at eye level.

Up close, one large white trillium reveals a surprise: a delicate wash of pink across its aging petals, as if it were blushing. It’s known that after pollination the snow-white petals of Trillium grandiflorum often turn rose-pink with age2. Indeed, many blossoms here wear a faint pink tint, especially those that have been open for a while. This blush of maturity gives the colony a quietly celebratory air – fresh ivory blooms mingling with older siblings tinted softly rose.

The petals of a white trillium take on a soft pink blush as the flower ages, adding a new hue to the spring palette. Fresh white trilliums bloom in the background while older ones show a rosy tint.

In a shaded nook at the edge of the colony, a lone red trillium blooms among the white. I wonder if the red and white trilliums ever hybridize. I see no intermediate colors and recall that the white trillium rarely hybridizes with other species3. The red trillium, by contrast, can swap pollen with certain close relatives, yielding various forms elsewhere. But a true red–white cross never occurs here – each species keeps to its own.

Trillium bloom April through May in central New York State. I found these blooming on the rim of Fillmore Glen near Owasco Lake and the town of Moravia.

The red trillium even has a rare white-petaled form4 easily mistaken for its white-flowered cousin. I linger a bit longer among these graceful “trinity flowers,” my questions answered and my appreciation deepened. As I turn to go, a sunbeam breaks through and illuminates one last trillium by the trail, its white petals touched with pink. I smile, grateful for the chance to witness this woodland wonder.

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Footnotes

  1. Different species: Red trillium and white trillium are separate species (Trillium erectum and Trillium grandiflorum, respectively), distinguished by traits like flower orientation and petal shapeidentifythatplant.com.
  2. White petals turn pink: The large white trillium’s petals are pure white upon opening but gradually develop a rose-pink or purple tint as the flower agesnj.gov.
  3. Rare hybridization: Unlike some trilliums that hybridize readily, Trillium grandiflorum (white trillium) is not known to form hybrids with other speciesen.wikipedia.org. Trillium erectum can hybridize with its close relatives, but a red–white trillium cross is not observed in nature.
  4. White form of red trillium: Trillium erectum (normally red) has a variety with white petals, classified as T. erectum var. album, which can be mistaken for a white trillium at a glancemidatlanticnature.blogspot.com.

Spring Outing V

Wildflower Groupings

Red Trillium are early bloomers, along with Hepatica. I often photograph them together. Click me for a 2019 Red Trillium post of photographs from 2007 taken in Fillmore Glen Park.

Here we have two photographs from the end of the April 20, 2020 session. I finished a series of macro Hepatica and, tired (emotionally, not physically) and not wanting to step up the slope, captured the following grouping of a single Red Trillium, lit by a bolt of sunlight, White Hepatica, fern and the budding White Trillim from yesterday’s post. Not the same trillium, a continuation of all the individuals in bud.

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These were 15 feet or so up the slope above the South Rim Trail. I used the 100 mm macro lens, with the spring breezes ISO set to 2500, f/5.6 for a 1/200 exposure.

Not far away, also upslope, was this flower grouping against a moss covered log. Park forestry leaves fallen trees in place to return to the soil. Camera settings are the same.

Both photographs were handheld.

Copyright 2024 All Rights Reserved Michael Stephen Wills

Early Spring V

Purple vs. White Trillium

Purple Trillium, a different species from the white, present different challenges. The purple blooms tend to dip down toward the ground. White flowers face upward toward the sky. My successful photographs of purple (Click me for another Purple Trillium posting) have the camera lower than the plant, say where there is a bank above the trail.

Shot from beneath, White Trillium project a hopeful air. Here is a comparison of the two species in the environmental and individual treatments.

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Copyright 2020 All Rights Reserved Michael Stephen Wills

Life from Death

while trillium

Taken with a Canon 100 mm “macro” lens, a Kodak digital single lens reflex body, a Manfrotto tripod and ample time and patience.

Enjoy!

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Trillium rise from the decaying tree roots.

Copyright 2022 All Rights Reserved Michael Stephen Wills

Overlapping Hepatica and Trillium Blooms

four of a kind

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Four views of purple trillium, three of a grouping and one portrait. Taken in the same session of a rare set of perfect blooms growing wild.

Taken with a Canon 100 mm “macro” lens, a Kodak dslr body, a Manfrotto tripod and ample time and patience.

Enjoy!

Fillmore Glen Purple Trillium

The trillium plant grows from a body of rhizomes, a type of underground stem you can think of as a type of root. There are rhizomes when use to flavor food such as turmeric, though trillium is not one of these.

Fillmore Glen Purple Trillium

The single scape grows straight from the ground to form a whorl of three bracts mirrored by the three green (usually) sepals and, again, by the three flower petals for which it is named.

You can clearly see all of this in my photographs.

Fillmore Glen Purple Trillium

Fillmore Glen Purple Trillium

Copyright 2021 Michael Stephen Wills All Rights Reserved