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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Ranunculus

13a. Ranunculus orthorhynchus var. orthorhynchus

Ranunculus orthorhynchus subsp. alaschensis (L. D. Benson) Hultén; R. orthorhynchus var. alaschensis L. D. Benson; R. orthorhynchus var. hallii Jepson

Basal leaf blades narrowly ovate to semicircular in outline, 3-5-foliolate, leaflets 1-2×-lobed or -parted, segments elliptic to linear, margins entire to dentate-lobulate, apex obtuse to narrowly acute. Flowers: petals abaxially red or yellow, 4-6 mm broad, rounded. Heads of achenes hemispheric or sometimes globose, 5-7 mm; beak 3-3.8(-4.8) mm. 2 n = 32.

Flowering spring-summer (Apr-Jul). Meadows and marshy areas; 0-2100 m; B.C.; Alaska, Calif., Oreg., Wash.


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