General:
Perennial herb from fibrous or slightly tuberous roots; stems one to several, erect to ascending, branched in inflorescence, 15-60 cm tall, soft-hairy or smooth, somewhat hollow.

Leaves:
Basal and stem leaves lanceolate or narrowly egg-shaped, the blades 2-14 cm long, 0.7-3 cm wide, entire or slightly toothed, bases abruptly narrowed or rounded, tips pointed to blunt, the stalks stout, as long or longer than blades; stem leaves with shorter stalks, alternate; reduced to unstalked bracts above, sometimes opposite.

Flowers:
Inflorescence few- to several-flowered cymes; flower stalks lengthening in fruit, to 15 cm long; receptacle smooth; petals 5 (to 12), distinct, yellow, 5-14 mm long, 2-8 mm wide, nectary on upper surface, the nectary scale smooth, broadly egg-shaped; sepals 5, spreading or bent back from base, 2-6 mm long, 1-4 mm wide, somewhat hairy; stamens 25-90; pistils 10-60.

Fruits:
Achenes, 10 to 60 in an egg- to globe-shaped head 3-7 mm long, 4-8 mm wide, the achenes plump, 1.6-2.8 mm long, 1.2-2 mm wide, smooth or rarely stiff-hairy; beaks lanceolate to awl-shaped, straight or somewhat curved, 0.4-1.2 mm long.

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 alismifolius var. hartwegii (Greene) Jeps.
Ranunculus alismifolius var. lemmonii (A. Gray) L.D. Benson
Ranunculus alismifolius var. typicus L.D. Benson
Ranunculus hartwegii Greene
Ranunculus lemmonii A. Gray