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Photo is of parent taxon

waterplantain buttercup

Photo is of parent taxon

dwarf plantain-leaf buttercup, plantainleaf buttercup, slender buttercup

Roots

± fusiform-thickened proximally.

not or weakly fusiform-thickened proximally.

Stems

15-40 cm × 2-7 mm, glabrous.

6-21 cm × 1-3 mm, glabrous.

Leaves

blade lanceolate to narrowly ovate or elliptic, 2.4-9.7 × 0.9-2.2 cm, base acute to rounded-obtuse, margins entire, rarely serrulate.

blade ovate or elliptic, 1.8-4.8 × 0.7-1.6 cm, base rounded to broadly acute, margins entire.

Flowers

petals (5-)7-12, 5-9 × 2-3 mm.

petals 5(-8), 5-8 × 2-6 mm.

2n

= 16.

Ranunculus alismifolius var. montanus

Ranunculus alismifolius var. alismellus

Phenology Flowering spring–summer (May–Aug). Flowering spring–summer (May–Aug).
Habitat Wet meadows or stream banks Damp meadows, woods, streams
Elevation 1800-3500 m (5900-11500 ft) 1400-3600 m (4600-11800 ft)
Distribution
from FNA
CO; ID; NV; UT; WY
[BONAP county map]
from FNA
CA; ID; MT; NV; OR; WA; Mexico (Baja Calif)
[BONAP county map]
Source FNA vol. 3. FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Flammula > Ranunculus alismifolius Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Flammula > Ranunculus alismifolius
Sibling taxa
R. alismifolius var. alismellus, R. alismifolius var. alismifolius, R. alismifolius var. davisii, R. alismifolius var. hartwegii, R. alismifolius var. lemmonii
R. alismifolius var. alismifolius, R. alismifolius var. davisii, R. alismifolius var. hartwegii, R. alismifolius var. lemmonii, R. alismifolius var. montanus
Name authority S. Watson: List Pl. Nevada Utah, 7. (1871) A. Gray: Proc. Amer. Acad. Arts 7: 327. (1867)
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