Ranunculus hispidus |
Ranunculus kamtschaticus |
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bristly buttercup, hispid crowfoot, renoncule hispide |
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Roots | never tuberous. |
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Stems | erect or decumbent, sometimes rooting nodally, hispid or strigose, base not bulbous. |
erect from short caudices or rhizomes, not rooting nodally, glabrous, not bulbous-based. |
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Basal leaf | blades ovate to deltate in outline, 3-foliolate or outer blades merely 3-parted, 2-13.4 × 2.4-16.8 cm, leaflets undivided to lobed or parted, ultimate segments narrowly elliptic or oblanceolate to circular, margins toothed, apex acuminate to rounded. |
blades circular to ovate or obovate, undivided, 0.8-2.6 × 0.6-1.4 cm, margins entire or serrulate, apex obtuse or rounded. |
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Flowers | receptacle hispid; sepals spreading or reflexed, 4-10 × 2-5 mm, hispid; petals 5, yellow, 8-16 × 3-9 mm. |
receptacle glabrous; sepals spreading, 4-8 × 2-4 mm, glabrous; petals yellow, 5-12 × 1-3 mm. |
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Heads of achenes | hemispheric to short-ovoid, 6-10 × 7-10 mm; achenes 2.2-5.2 × 2-3.8 mm, glabrous, margin forming narrow rib or broad wing 0.1-1.2 mm wide; beak persistent, lance-subulate, straight or somewhat curved, 0.8-2.6 mm. |
depressed-hemispheric or -conic, 3-4 × 5 mm; achenes 2-2.6 × 1-1.4 mm, glabrous; beak persistent, lanceolate, straight, 0.8-1.2 mm. |
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Tuberous | roots absent. |
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2n | = 16. |
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Ranunculus hispidus |
Ranunculus kamtschaticus |
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Phenology | Flowering late spring–summer (May–Aug). | |||||||||
Habitat | Tundra on moist slopes | |||||||||
Elevation | 0-300 m (0-1000 ft) | |||||||||
Distribution |
AL; AR; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; ND; NE; NH; NJ; NY; OH; OK; PA; RI; SC; SD; TN; TX; VA; VT; WI; WV; MB; NB; NF; NS; ON; PE; QC
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AK; Asia |
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Discussion | Varieties 3 Until recently, the varieties of Ranunculus hispidus were usually treated as distinct species. Arguments for restoring species status to R. hispidus var. nitidus were given by G. L. Nesom (1993). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||||||
Parent taxa | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus | Ranunculaceae > Ranunculus > subg. Oxygraphis | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Oxygraphis glacialis | |||||||||
Name authority | Michaux: Fl. Bor.-Amer. 1: 321. (1803) | de Candolle: Syst. Nat. 1: 302. (1817) | ||||||||
Web links |