familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Ranunculus
speciesRanunculus orthorhynchus
Ranunculus orthorhynchus var. platyphyllus
Proc. Amer. Acad. Arts 21: 377. 1886.
Endemic
Treatment appears in FNA Volume 3.
Basal leaf blades ovate to semicircular in outline, 3-5-foliolate, leaflets 1×-lobed or -parted, segments narrowly elliptic to linear, margins dentate or dentate-lobulate, apex obtuse to narrowly acute. Flowers: petals abaxially yellow, 7-11 mm broad, rounded. Heads of achenes globose or ovoid, 8-13 mm; beak 2-3 mm. 2n = 32.
Phenology: Flowering late winter–summer (Mar–Aug).
Habitat: Meadows and marshy areas
Elevation: 0-2700 m
Distribution
B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.