Ranunculus occidentalis var. ultramontanus

Greene

Pittonia 3: 13. 1896.

Endemic
Treatment appears in FNA Volume 3.

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

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.