Creeping perennial with slender stems, rooting at nodes near base, occasionally mat-forming. Leaf-lamina usually usually divided to base into 3 segments, to 25 mm across; segments obovate, 2–14 mm long, the outer pair sometimes bilobed, apex cuneate, sometimes toothed, surfaces glabrous or with short, scattered hairs; petiole 1–3(–10) cm long, with long reflexed hairs that are denser towards apex; stipules membranous and entire. Umbels simple, leaf-opposed, globose, 3–5 mm diam., 3–9-flowered; flowers sessile; peduncle to 1(–2) cm long. Petals yellow to green to purple. Fruits compressed laterally, to 1 mm long, c. 2 mm wide; mericarp with acute intermediate and dorsal ribs, lateral ones inconspicuous. Flowers spring and summer.
GleP, VVP, VRiv, MuF, GipP, OtP, WaP, CVU, DunT, NIS, EGL, EGU, WPro, HSF, HNF, Strz, MonT, HFE, VAlp. Also SA, Qld, NSW, Tas. New Zealand. In Victoria mostly restricted to the east, growing in soaks, swamps and margins of watercourses.
Source:
Duretto, M.F. (1999). Apiaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 256–258. Inkata Press, Melbourne.
