吕宋天胡荽 lü song tian hu sui

Hydrocotyle ranunculifolia Ohwi.

Stems slender to somewhat fleshy, long, creeping, pilose. Petioles slender, 2–10(–15) cm, pubescent; leaf blade orbicular to ovate, 1–2.5 × 1–3 cm, 3(–5)-parted; segments 3-lobed, obovate, sparingly pubescent with rough white hairs. Umbels solitary at nodes, 2–13-flowered; peduncles 2–5 cm, densely pubescent; bracts 0.3–0.5 mm; pedicels 0.5–1 mm. Petals white. Styles ca. 0.5 mm. Fruit subglobose, 0.8–1.5 × 1.3–1.7 mm, glabrous. Fl. and fr. Mar–May.

Grasslands, beside slow-moving streams, roadsides; ca. 1800 m. C and N Taiwan [Japan, Korea, Philippines].

This species is recorded only from a few collections. It has reputed medicinal value.