Hydrocotyle pterocarpa

Perennial, procumbent herb, glabrous to glabrescent; stems creeping, rooting at lower nodes. Leaf-lamina reniform to orbicular-cordate, 1–5 cm across, almost entire or with 3–11 very shallow broad lobes, margin crenate; petiole 1–10(–17) cm long; stipules membranous, broad-ovate, entire. Floral bract lanceolate. Umbels simple, leaf-opposed, globose, 2–3 mm diam., flowers 6–16(–20), distinctly pedicellate; peduncle 4–30 mm long, subglabrous to sparsely covered with trichomes; pedicels 0.5–1.1 mm long at anthesis, 0.8–2.1 mm long when fruiting. Petals c. 0.75 mm long, cream, occasionally with pale reddish mottling. Fruits bilaterally very flattened, smooth, usually red spotted at maturity; mericarps 2.6–4.0 mm long, 1.8–2.5 mm wide, emarginate at the base and apex, distinctly flattened in transverse section; mericarp dorsal rib produced into a distinct thickish wing 0.5–0.8 mm high, lateral ribs prominent, intermediate ribs inconspicuous. Flowers spring–early autumn