Flora of North America species comparison

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Ranunculus subg. Coptidium
Habit Plants glabrous.
Roots

nodal, never tuberous.
Stems

creeping, not bulbous-based, without bulbils.
Leaves

cauline, simple, petiolate;

blade deeply 3-parted to base, as wide as long, segments toothed or shallowly lobed.
Inflorescences

axillary, solitary flowers.
Flowers

pedicellate (pedicels naked, rarely leafy);

sepals deciduous soon after anthesis, 3;

petals 5-8, yellow;

nectary scale attached on 3 sides, forming pocket, glabrous, free margin entire;

style present.
Fruits

achenes, 1-locular;

achene body oblong-lenticular, 1.9-2.6 times as wide as thick, prolonged beyond seed as corky distal appendage;

wall thick, smooth;

margin low corky band;

beak much shorter than achene body.

Ranunculus subg. Coptidium
Distribution
North America; Eurasia
Discussion

Species 1 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus
Subordinate taxa
Synonyms subg. R.
Name authority (Prantl) L. D. Benson: Amer. J. Bot. 27: 807. (1940)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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