Glab. or with a few hairs near apex of petiole and peduncle, forming small patches. Lvs on petioles up to 10-20 mm. long. Lamina (2)-3-4-(9) mm. diam.; 5-7 lobed; lobes shallow, minutely crenulate; sinus narrow, often closed. Umbels 2-5-fld, rarely more, on peduncles ± 10 mm. long. Fr. glab., ± 1·5-2-(3) mm. diam., subsessile or shortly pedicelled, somewhat turgid. Mericarps rounded on dorsal edge to bluntly keeled, reddish brown; lateral ribs us. obscure.

2n = 48

Perennial, forming large patches; stems slender. Lvs simple, usually dark glossy green, usually glabrous, rarely sparsely hairy above or below, 5-10-(15) mm diam., divided to ⅕-⅓-(⅔) of radius into usually 5 segments; segments broadly oblong to obovate, each usually with 3 crenate teeth; teeth with blunt cartilaginous points; margins flat; petiole glabrous or with a few retrorse hairs near apex. Umbels simple, (2)-5-10-(12)-flowered; peduncles ± = lvs. Fls subsessile or shortly pedicellate. Fr. glabrous, 1.3-1.7 × 1 mm, acute on dorsal edge; ribs slightly raised and slender, or inconspicuous.