Ranunculus hispidus
Ranunculus hispidus var. caricetorum
bristly buttercup, hispid crowfoot, renoncule hispide
bristly buttercup
never tuberous.
erect or decumbent, sometimes rooting nodally, hispid or strigose, base not bulbous.
decumbent, sometimes rooting at nodes.
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.
receptacle hispid;
sepals spreading or reflexed, 4-10 × 2-5 mm, hispid;
petals 5, yellow, 8-16 × 3-9 mm.
sepals spreading or reflexed from base.
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.
margin 0.1-0.2 mm broad.
= 64.
Ranunculus hispidus
Ranunculus hispidus var. caricetorum
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.)
The name Ranunculus septentrionalis Poiret has often been used for R. hispidus var. caricetorum. The type specimen, however, belongs to var. nitidus (T. Duncan 1980).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Stems erect or nearly erect, never rooting at nodes. | var. hispidus |
1. Stems decumbent, sometimes rooting at nodes. | → 2 |
2. Sepals spreading or reflexed from base; achene margins 0.1–0.2 mm broad. | var. caricetorum |
2. Sepals reflexed 1 mm above base; achene margins 0.4–1.2 mm broad. | var. nitidus |
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