UW Burke Herbarium species comparison

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Potentilla ovina

Potentilla supina

bushy cinquefoil
Habit Annual or biennial from a taproot and simple or branched crown, the stem 4-7 dm. tall, glabrous below to stiff-hairy above, leafy throughout.
Leaves

Leaves pinnate, the lower ones with 2-4 pairs of elliptic to oblong leaflets with rounded serrations, 1-3 cm. long, the upper sometimes ternate;

stipules well-developed.
Flowers

Flowers solitary on long peduncles from the leaf axils throughout the upper half of the plant;

calyx stiff-hairy, 5-9 mm. broad, the 5 lobes ovate-triangular, 3-4 mm. long, erect;

petals 5, yellow, obovate, about equal to the sepals;

stamens usually 20, sometimes less;

pistils numerous;

style terminal, equaling the ovary.
Fruits

Achenes 1.2 mm. long with a wedge-shaped thickening on one edge about the size of the rest of the fruit.

Potentilla ovina

Potentilla supina
Flowering time June-July
Habitat Sandy stream banks, lake shores, and moist flats.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, Great Plains, and east across Canada and the midwestern U.S. to northeastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
P. anserina, P. argentea, P. biennis, P. breweri, P. drummondii, P. flabellifolia, P. glaucophylla, P. gracilis, P. hyparctica, P. jepsonii, P. newberryi, P. nivea, P. norvegica, P. pensylvanica, P. recta, P. rivalis, P. supina, P. villosa
P. anserina, P. argentea, P. biennis, P. breweri, P. drummondii, P. flabellifolia, P. glaucophylla, P. gracilis, P. hyparctica, P. jepsonii, P. newberryi, P. nivea, P. norvegica, P. pensylvanica, P. recta, P. rivalis, P. villosa
Subordinate taxa
P. supina ssp. paradoxa
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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