Ranunculus hispidus |
Ranunculus allegheniensis |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
bristly buttercup, hispid crowfoot, renoncule hispide |
Allegheny crowfoot, Allegheny Mountain buttercup |
|||||||||
Roots | never tuberous. |
slender, 0.2-0.8 mm thick. |
||||||||
Stems | erect or decumbent, sometimes rooting nodally, hispid or strigose, base not bulbous. |
erect or nearly erect, 10-50 cm, glabrous, each with 9-40 flowers. |
||||||||
Basal leaves | 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. |
persistent, blades reniform, outer undivided, inner 3-lobed to 3-foliolate, 1-3.5 × 1.5-4.5 cm, base truncate or cordate, margins crenate, apex rounded or obtuse. |
||||||||
Flowers | receptacle hispid; sepals spreading or reflexed, 4-10 × 2-5 mm, hispid; petals 5, yellow, 8-16 × 3-9 mm. |
pedicels pubescent or glabrous; receptacle sparsely pilose; sepals 2-3 × 1-2 mm, abaxially sparsely hispid, hairs colorless; petals 5, 1-2 × 0.5-1 mm; nectary scale glabrous. |
||||||||
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. |
globose to ovoid, 3-7 × 3-5 mm; achenes 1.5-2 × 1.4-1.8 mm, glabrous; beak slender, strongly curved, 0.6-1 mm. |
||||||||
2n | = 16. |
|||||||||
Ranunculus hispidus |
Ranunculus allegheniensis |
|||||||||
Phenology | Flowering spring–summer (Apr–Jul). | |||||||||
Habitat | Woods and pastures | |||||||||
Elevation | 0-1100 m (0-3600 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
|
CT; KY; MA; MD; NC; NY; OH; PA; RI; TN; VA; VT; WV
|
||||||||
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.) |
|||||||||
Key |
|
|||||||||
Source | FNA vol. 3. | FNA vol. 3. | ||||||||
Parent taxa | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Epirotes | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | Michaux: Fl. Bor.-Amer. 1: 321. (1803) | Britton: Bull. Torrey Bot. Club 22: 224. (1895) | ||||||||
Web links |