Rhizomatous perennial, appearing acaulescent. Stems erect, short, barely above ground level. Herbage glabrous to puberulent. Leaves solitary; petiole 15–25 cm long; blade 15–25 cm long, twice divided, first into 3 then 3 to 5 parts; leaflets obovate to lanceolate or ovate, acuminate, 3–15 cm long, serrate, sometimes with asymmetrical bases. Inflorescence of usually 3 umbels; rays 2–7 cm long; the peduncle shorter than the leaf. Flowers greenish-white; sepals obsolete; petals 1–2 mm long, reflexed; stamens longer than petals. Drupes becoming dark purple, 4–8 mm wide (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans
, Bombus ternarius
, and Bombus bohemicus
(Colla and Dumesh 2010).