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Photo is of parent taxon

western buttercup

Stems

erect to reclining, 2-3 mm thick, pilose or glabrous.

Basal leaf blades

3-parted, ultimate segments elliptic or narrowly elliptic, margins dentate.

Flowers

sepals 5, 5-7 mm;

petals 5-6, 8-12 × 3-8 mm.

Achenes

3-3.4 × 2.6-3 mm, glabrous;

beak lanceolate, curved, 1.2-1.4 mm.

2n

= 28.

Ranunculus occidentalis var. brevistylis

Phenology Flowering spring–summer (May–Aug).
Habitat Coastal and mountain meadows
Elevation 0-1000 m (0-3300 ft)
Distribution
from FNA
AK; AB; BC; YT
[BONAP county map]
Discussion

Ranunculus occidentalis var. brevistylis may be difficult to distinguish from var. occidentalis; the two have sometimes been combined. The pubescence character distinguishing them is well correlated with geography, however, so I am provisionally maintaining both of them.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus > Ranunculus occidentalis
Sibling taxa
R. occidentalis var. dissectus, R. occidentalis var. hexasepalus, R. occidentalis var. howellii, R. occidentalis var. nelsonii, R. occidentalis var. occidentalis, R. occidentalis var. ultramontanus
Synonyms R. occidentalis subsp. insularis
Name authority Greene: Pittonia 3: 14. (1896)
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