Classification
 Nomenclature
Scientific Name:
Hydrocotyle tripartita R.Br. ex A.Rich. (1820)
Vernacular Name(s):
Australian hydrocotyle; Pennyweed
 Description

Rhizomatous and stoloniferous perennial, forming small to large patches; stems glabrous, slender. Lvs 3-foliolate; leaflets sessile, shiny green, glabrous to sparsely pilose above, usually moderately pilose below, rarely glabrous, broadly obovate-cuneate, 2–6 mm long, with 1–3 lobes and each lobe with 1–4 shallow, dentate teeth; teeth with a small cartilaginous point; petiole with a few retrorse hairs near blade, otherwise glabrous, slender, (3)–10–30–(50) mm long; stipules scale-like. Umbels simple, (1)–2–10–(12)-flowered; bracts scale-like, free or shortly fused; peduncles somewhat < lvs. Fls subsessile, c. 1–2 mm diam. Fr. glabrous, brown, 0.8–1.2 × 0.8–1.2 mm, acute on dorsal edge; ribs raised, slender, prominent.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Exotic
 Phenology

Flowering: Dec.–Jan.