familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Ranunculus
speciesRanunculus occidentalis
Ranunculus occidentalis var. ultramontanus
Pittonia 3: 13. 1896.
Endemic
Treatment appears in FNA Volume 3.
Revision as of 23:13, 16 December 2019 by FNA>Volume Importer
Stems ± reclining, 1-3 mm thick, hirsute or sometimes glabrous. Basal leaf blades 3-foliolate, rarely merely 3-parted, ultimate segments oblong or elliptic to lanceolate or oblanceolate, margins dentate or dentate-lobulate. Flowers: sepals 5, 4-6 mm; petals 5-6, 6-8 × 1.5-2.5 mm. Achenes 3-3.4 × 2-2.6 mm, glabrous, rarely hispid; beak lanceolate, curved, 0.4-1.2 mm.
Phenology: Flowering spring–summer (May–Jul).
Habitat: Meadows
Elevation: 1300-2100 m
Distribution
Calif., Nev., Oreg.
Discussion
Ranunculus occidentalis var. ultramontanus is found at middle elevations in the Sierra Nevada, southern Cascades, and northeastern Coast Ranges. It intergrades with var. occidentalis in the region of elevational overlap.
Selected References
None.
Lower Taxa
None.