Hydrocotyle ribifolia Rose & Standl.

Hydrocotyle ribifolia Rose & Standley, Jour. Wash. Acad 17: 196. 1927.
Stems somewhat stout, creeping, more or less hirsute; leaves not peltate, orbicular in general outline, 40-90 mm. long, 40-100 mm. broad, angulately 5-lobed, the lobes serrate to incised, the terminal lobule elongate, acute or acutish, somewhat hirsute above on the nerves and veins, more or less densely divaricate-hirsute beneath especially on the nerves; petioles stout, 3-14 cm. long, divaricate-hirsute with yellowish hairs especially toward the apex; peduncles shorter than the leaves, 3-5 cm. long, essentially glabrous; umbels not proliferous, 20-35flowered; pedicels glabrous, spreading and refiexed, 3-5 mm. long; flowers greenish-white, the styles persistent; stylopodium depressed; fruit orbicular in general outline, 1.5-2 mm. long and broad, shallowly emarginate at base and apex, glabrous, one carpel usually abortive, the dorsal ribs obscure, the lateral slender, distinct.
Type locality: Moist forest. Cerro de Las Vueltas, Provincia de San Jose, Costa Rica, alt. 3000 meters, Standley & Valerio 43506.
Distribution: Known only from the type locality (Standley if Valerio 43,749, 43,799).

Hydrocotyle ribifolia là một loài thực vật có hoa trong Họ Cuồng. Loài này được Rose & Standl. mô tả khoa học đầu tiên năm 1927.