General:
Perennial herb from short stem-base with cluster of slender fibrous roots; stems stout, erect, 15-30 cm tall, sparsely-hairy with brown hairs or smooth.

Leaves:
Basal leaves persistent, somewhat circular, 1-3 cm long, 1-3 cm wide, round-toothed or shallowly 3-lobed and round-toothed, tips round to round-pointed, bases blunt to squared-off, the stalks long; stem leaves 2 or 3, alternate, short-stalked to unstalked, deeply cleft into 3 to 5 lanceolate or egg-shaped lobes.

Flowers:
Inflorescence usually a solitary, terminal flower, the flower stalk brown-hairy; receptacle brown-hairy; petals 5 (6), distinct, yellow, 8-12 mm long, 6-10 mm wide, nectary on upper surface, small, the scale smooth; sepals 5, early deciduous or persistent, 6-8 mm long, 3-6 mm wide, densely brown stiff-hairy; stamens 30-50; pistils many.

Fruits:
Achenes, numerous (50-90) in a cylindric to egg-shaped head 6-7 mm long, 5-6 mm wide, the achenes egg-shaped, 1.8-2.2 mm long, 1.4-1.8 mm wide, smooth or sparsely brown-hairy, not or obscurely keeled; beaks slender, 0.8-1.4 mm long, straight or curved.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Ranunculus nivalis var. sulphureus (Soland. ex C.J. Phipps) Wahlenb.
Ranunculus sulphureus var. intercedens HultΘn
Ranunculus sulphureus var. sulphureus