Ranunculus populago |
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Cusick's buttercup, mountain buttercup, popular buttercup |
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Roots | thickened basally, glabrous. |
Stems | erect or ascending, never rooting nodally, glabrous. |
Leaves | basal leaf blades with base obtuse to cordate; proximal cauline leaf blades semicircular to cordate or ovate, 1.2-5.1 × 1.5-2.9 cm, base cordate to broadly obtuse, margins entire or crenulate, apex broadly acute to rounded. |
Inflorescences | bracts narrowly elliptic to ovate or lanceolate. |
Flowers | receptacle glabrous or hispidulous; sepals 4-5, spreading or reflexed from base, 3-5 × 2-4 mm, glabrous; petals 5-6, 4-9 × 2-5 mm; nectary scales glabrous. |
Heads of achenes | hemispheric, 3 × 4-5 mm; achenes 1.6-1.8 × 1.2 mm, glabrous; beak lance-subulate, straight, 0.2-1 mm. |
Ranunculus populago |
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Phenology | Flowering spring–summer (Apr–Aug). |
Habitat | Wet ground and shallow water, in wet meadows, bogs, streams, lakes |
Elevation | 1300-2000 m (4300-6600 ft) |
Distribution |
CA; ID; MT; OR; WA
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Source | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Flammula |
Sibling taxa | |
Name authority | Greene: Erythea 3: 19. (1895) |
Web links |