Ranunculus cooleyae
Contr. U.S. Natl. Herb. 1: 289. 1894.
EndemicIllustrated
Synonyms: Arcteranthis cooleyae (Vasey & Rose ex Rose) Greene Kumlienia cooleyae (Vasey & Rose ex Rose) Greene
Treatment appears in FNA Volume 3.
Revision as of 23:12, 16 December 2019 by FNA>Volume Importer
Stems erect from short caudices, not rooting nodally, glabrous, not bulbous-based. Tuberous roots absent. Basal leaf blades circular to reniform in outline, 3-5-parted, 0.8-3.8 × 1.7-6.9 cm, segments again lobed, ultimate segments elliptic or oblong, margins crenate, apex rounded; cauline leaf 0-1, scalelike. Flowers: receptacle glabrous; sepals spreading, yellow, 7-11 × 4-7 mm, glabrous; petals 11-15, yellow, 8-12 × 3-5 mm. Heads of achenes hemispheric or spheric, 7-8 × 9-10 mm; achenes 2.4-4.6 × 1.2-2.2 mm, glabrous; beak persistent, filiform, hooked distally, 1-1.8 mm. 2n = 16.
Phenology: Flowering late spring–summer (Jun–Aug).
Habitat: Slopes near persistent snowbanks
Elevation: 500-1800 m
Distribution
B.C., Alaska, Wash.
Discussion
Selected References
None.
Lower Taxa
None.