Eriogonum corymbosum |
Eriogonum elatum |
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rush buckwheat, tall buckwheat |
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Habit | Sturdy perennial from a thick taproot with wiry, glabrous and glaucous flowering stems 3-8 dm. tall. | |
Leaves | Basal, ovate, 7-15 cm. long, truncate at base, slightly hairy by green on both surfaces, with petioles about as long as the blade. |
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Flowers | Inflorescence large, open, loosely cymose, the cup-shaped involucre about 3 mm. long and few-flowered; the tepals 3 mm. long, white to cream but pinkish in the bud, without a stipe at the base, pubescent on the lower half. |
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Eriogonum corymbosum |
Eriogonum elatum |
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Identification notes | Separate from Eriogonum nudum by the leaves and flower clusters. E. nudum has more-or-less oblong leaves that are white-woolly underneath on petioles at least twice as long as the blade; the flowers are usually in tight, globose clusters. | |
Flowering time | June-August | |
Habitat | Sand and gravel slopes and flats, grasslands, sagebrush desert, ponderosa pine forest openings, and montane ridges. | |
Distribution | Occurring east of the Cascades crest in Washington; Washington to California, east to southern Idaho and Nevada.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |