Trillium albidum |
Trillium kurabayashii |
|
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giant trillium, sessile trillium |
giant purple wakerobin |
|
Leaves | ovate to broadly ovate, 6–20 × 5–15 cm, with weak mottling; spots often fading, not glossy; apex rounded to obtuse, sessile. |
ovate to broadly ovate; (9)11–18(25) × (8)12–17 cm, bright green, usually with prominent light and dark green spots, occasionally lightly mottled with mottling fading with age; somewhat glossy; apex acuminate, sessile. |
Scapes | 1–3 (rarely more), 20 |
2, 25–55 cm, glabrous. |
Flowers | sessile; sepals lanceolate, 15–65 × 4–15 mm, green; margins entire; apex acute; petals erect or slightly spreading, linear to obovate, 2–8 × 0.5–3 cm, white to cream-colored; base sometimes rose pink to purple, rarely entire petal purple; base often cuneate; apex rounded to acute; margins entire; stamens erect, 10–25 mm; filaments 1–4 mm, white to greenish white; anthers erect, 10–20 mm, yellow or greenish white; ovary ovoid, green or sometimes purple; stigmas erect to spreading, 3–7 mm. |
sessile; sepals oblong- to lance-linear, 3.5–6(7.5) × 1–1.5 cm, green with purple streaks; margins entire; apex acute to round-acute; petals maroon, spreading-erect to erect, linear to oblanceolate, 5.5–11 × 2–3.5 cm; maroon; base cuneate; apex round-acute; margins entire; stamens erect; (11)15–26 mm; filaments 2–4 mm, dark purple; anthers 13–24 mm; dark maroon; ovary ovoid, dark purple, rounded or with 6 angles; stigmas erect, 6–8 mm. |
Fruits | ovoid to globose, green to maroon. |
ovoid to ellipsoid; dark reddish purple. |
– | 55 cm long. |
|
Trillium albidum |
Trillium kurabayashii |
|
Distribution | ||
Discussion | 2 subspecies. The two subspecies of T. albidum are known to hybridize where their ranges overlap. This hybrid is sometimes referred to as T. × oregonum. |
Along streams, meadows, forests, found often with oak trees. Flowering Mar–May. 0–1500m. Est, Sisk. CA. Native. |
Source | Flora of Oregon, volume 1, page 314 Tamra Prior |
Flora of Oregon, volume 1, page 315 Tamra Prior |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Trillium chloropetalum | Trillium angustipetalum, Trillium chloropetalum |
Web links |