Trillium albidum |
Trillium albidum ssp. parviflorum(synonym of Trillium parviflorum) |
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giant trillium, sessile trillium |
small-flowered trillium |
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Leaves | ovate to broadly ovate, 6–20 × 5–15 cm, with weak mottling; spots often fading, not glossy; apex rounded to obtuse, sessile. |
6–16 × 5–9 cm. |
Scapes | 1–3 (rarely more), 20 |
20 |
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. |
petals linear to linear-lanceolate, 2–5 × 0.5–1 cm; stamens 10–15 mm; filaments 1–3 mm. |
Fruits | ovoid to globose, green to maroon. |
purple to maroon. |
– | 55 cm long. |
30 cm. |
Trillium albidum |
Trillium albidum ssp. parviflorum |
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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. |
Mixed forests, generally with thick shrubby undergrowth. Flowering Mar–May. 50–500 m. Sisk, WV. WA. Native. |
Source | Flora of Oregon, volume 1, page 314 Tamra Prior |
Flora of Oregon, volume 1, page 314 Tamra Prior |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Trillium chloropetalum | Trillium chloropetalum, Trillium parviflorum |
Web links |