Trillium cernuum |
Trillium petiolatum |
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petioled wakerobin, round-leaved trillium |
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Leaves | round or ovate to elliptic, 7–14 × 5.5– 10.2 cm, green, not mottled, not glossy; apex round or obtuse; petioles 5–17 cm. |
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Scapes | usually 1, 4–20 cm, glabrous, generally subterranean (occasionally vertical). |
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Flowers | sessile; sepals oblong-elliptic to oblanceolate, 20–45 × 7–10 mm, green; margins entire; apex acute; petals erect to incurved, linear-lanceolate, 3–5.5 × 0.4–1 cm; light maroon-red or purple, sometimes yellow to greenish; margins entire; apex acute; stamens erect; (15)22–30 mm; filaments (3)5–7 mm, dark green; anthers 16– 20 mm, purple-brown to dark green; ovary ovoid, 4–9 mm, white to greenish; purplish distally; stigmas erect, 7–20 mm. |
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Fruits | ovoid. |
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Trillium cernuum |
Trillium petiolatum |
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Distribution | ||
Discussion | Seasonally wet places, conifer and mixed forests, near streams and rivers. Flowering Apr–Jun. 400–1900m. BW, Lava. ID, WA. Native. |
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Source | Flora of Oregon, volume 1, page 315 Tamra Prior |
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Sibling taxa | ||
Web links |