Stems to 40 cm with hirsute to nearly glabrous foliage, prostrate and rooting at the nodes to occasionally erect. Basal leaf blades ovate, 1–8 cm long, ternate; the 3 petiolate leaflets lobed and toothed. Flowers with petals 6–15 mm long, twice as long as the hirsute, deciduous sepals. Achenes flattened, 2–3 mm long with a hooked beak ca. 1 mm long; heads globose, 5–10 mm high (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
POLLINATORS The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap:
Bombus auricomus,
Bombus bifarius,
Bombus nevadensis, and
Bombus bimaculatus (Macior 1968, Thorp et al. 1983).