Potentilla anglica |
Potentilla anserina |
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silverweed cinquefoil, common silverweed |
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Habit | Grayish, silky-woolly perennial, widely spreading by long, prostrate, freely-rooting stolons; stipules prominent, those of the stolons sheathing and deeply linear-lobed. | |
Leaves | Leaf blades whitish silky-woolly on both surfaces or greenish above, 1-3 dm. long, pinnate; leaflets 15-25, obovate to oblong, rounded, sharply and coarsely serrate, 1-3.5 cm. long, interspersed with much smaller, entire leaflets. |
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Flowers | Flowers solitary on the nodes of the stolons on peduncles 3-10 cm. long; calyx silky, shallowly bowl-shaped, the 5 lobes ovate-triangular, 4-6 mm. long, spreading at blooming but erect an up to 12 mm. long in fruit; petals yellow, oval, 8-12 mm. long, rounded; stamens 20-25; pistils numerous; style slender, smooth, mid-laterally attached to the ovary. |
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Fruits | Achenes light brow, obliquely ovoid, 2 mm. long. |
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Potentilla anglica |
Potentilla anserina |
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Flowering time | April-October | |
Habitat | Wet, alkaline areas from coast to arid inlands. | |
Distribution | Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, Great Lakes region, and northeastern North America.
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Origin | Introduced | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Subordinate taxa | ||
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