Thalictrum occidentale |
Thalictrum debile |
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western meadow rue |
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Habit | Dioecious, glabrous to glandular-puberulent perennial, the stems 4-10 dm. tall. | |
Leaves | Leaves mostly cauline, 3-4 times ternate, the leaflets obovate, 1.5-3 cm. long, rounded at the base, 3-lobed, the lobes entire or shallowly 2- or 3-toothed. |
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Flowers | Inflorescence an open, leafy-bracteate panicle; sepals 4-5, 2-3 mm. long, greenish-white to purplish; petals none; stamens 15-30, the filaments filiform, 4-8 mm. long, purplish; ovaries glandular-puberulent; stigmas purplish, 3-4.5 mm. long; ovary superior. |
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Fruits | Achenes 4-9, spreading, 5-8 mm. long, with 3 prominent nerves on each side. |
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Thalictrum occidentale |
Thalictrum debile |
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Flowering time | May-August | |
Habitat | Shady woodlands and forests, from low elevations to mid-elevations in the mountains. | |
Distribution | Occurring on both sides of the Cascades crest in Washington; Yukon Territory to northern California, east to Montana and Colorado.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |
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