Trillium cernuum |
Trillium albidum |
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giant trillium, sessile trillium |
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Habit | Herbaceous perennial from short and thick rhizomes; stems erect, 20-60 cm tall. | |
Leaves | Leaves 3, whorled, extending outwards past flower, sessile, 7-20 cm long and 12-15 cm wide, generally ovate, apex rounded to obtuse, green, sometimes with brown or purple tinged spots. |
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Flowers | Flowers 1, sessile; sepals 3, free, persistent, green, spreading, 3-6.5 cm, lanceolate; petals 3, erect to ascending, free, withering, white to slightly pale pinkish, base sometimes purple; stamens 6, 15-25 mm, tissue between anther sacs greenish; ovary greenish to purplish, 3-chambered; styles 3. |
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Fruits | Berry-like capsule, green to purplish green, pulpy and juicy; seeds, many, ovoid. |
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Trillium cernuum |
Trillium albidum |
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Flowering time | April-June | |
Habitat | Moist forests, oak-ash woodlands, thickets, and fields at low elevations. | |
Distribution | Occurring west of the Cascades crest in Washington; Washington to California.
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Origin | Native | |
Conservation status | Sensitive in Washington (WANHP) | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |