Ranunculus pacificus

(Hultén) L. D. Benson

Amer. Midl. Naturalist 40: 79. 1948.

Endemic
Basionym: Ranunculus septentrionalis subsp. pacificus Hultén Acta Univ. Lund, n.s. 40: 769. 1944
Treatment appears in FNA Volume 3.
Revision as of 23:10, 16 December 2019 by FNA>Volume Importer

Stems erect or reclining, never rooting nodally, hispid or glabrous, base not bulbous. Roots never tuberous. Basal leaf blades broadly triangular to cordate in outline, 3-foliolate, 6-13 × 8-16 cm, leaflets lobed, margins toothed, ultimate segments elliptic to lance-elliptic or oblong, margins toothed, apex acute or obtuse. Flowers: receptacle hispid; sepals reflexed 1-2 mm above base, 6-9 × 3-4 mm, sparsely hispid; petals 5, abaxially yellow or purplish, adaxially yellow, 9-11 × 6-8 mm. Heads of achenes ovoid to globose, 9-11 × 8-11 mm; achenes 3.2-3.8 × 2-3 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate or subulate from triangular base, straight or tip weakly hooked, 1-1.8 mm.


Phenology: Flowering summer (Jul).
Habitat: Along streams and in meadows
Elevation: 0 m

Discussion

Ranunculus pacificus is endemic to the Alaska panhandle.

Selected References

None.

Lower Taxa

None.