Ranunculus sardous |
Ranunculus sceleratus |
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hairy buttercup |
blister buttercup, celery-leaved buttercup, celery-leaved crowfoot |
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Habit | Usually glabrous annual from slender, fleshy roots, the 1-several stems erect, 2-5 dm. tall, freely branched, hollow. | |
Leaves | Basal leaves long-petiolate, the blades reniform, 2.5-4 cm. long, deeply parted into 3 wedge-shaped segments, and again once or twice less-deeply lobed or toothed; cauline leaves numerous, alternate, more deeply divided than the basal leaves. |
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Flowers | Pedicels single-flowered, stout, 1-3 cm. long; sepals 5, spreading, yellowish, 2-4.5 mm. long, deciduous; petals 5, yellow, 2-5 mm. long;; nectary scale mostly attached; receptacle cylindric, up to 14 mm. long; stamens 15-20; pistils 100-250. |
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Fruits | Achenes about 1 mm. long with corky margins; style nearly obsolete. |
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Ranunculus sardous |
Ranunculus sceleratus |
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Flowering time | May-July | May-September |
Habitat | Disturbed areas, fields and open woods. | Moist meadows and boggy shoreland to semi-aquatic and often brackish areas. |
Distribution | Occurring west of the Cascade in Washington; British Columbia to northern California; also in the eastern United States, Europe, Australia and Pacific Islands.
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Widely distributed throughout much of Washington; widely distributed throughout much of North America.
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Origin | Introduced from Europe | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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