Description: Perennial herbs, prostrate, stem glabrous to c. 15 cm tall, rooted at nodes. Leaves simple, alternate, elliptic, oblong to lanceolate 0.8–2.5 cm long; apex acute; base rounded to obtuse; margin entire or slightly serrate upper part; blade glarous; sessile to subsessile. Flowers solitary, axillary; pedicels 1.2–3.5 cm; bracteoles 1–2, to ca 1 mm. Calyx tube narrlowly to the pedicel, 3–5 mm long, glabrous; lobes lanceolate, c. as long as the tube, margin entire or with a pair of denticles. Corolla pink to white, 1–1.5 cm, divided to base at back, throat white villous; corolla lobes spread to a plane; 2 lateral lobes lanceolate, slightly longer than the others 3. Stamens ca 8 mm long, connate above half of filaments, tube glabrous, free filaments villous; anther tube ca 2 mm long, glabrous or sparsely villous. Ovary semi-inferior, 2-locular, villous; stima obscurely two lobes, villous; ovule numerous. Capsule conical, c. 6 mm long. Seeds numerous, ellipsoid, slightly compressed. |
Distribution: India, Sri Lanka, Myanmar, S China, Indochina, Taiwan, Korea, Japan and Peninsular Malaysia. In Thailand, scattered in northern, northeastern and southeastern, open wet areas, 100–300 m.
Notes: Last updated on 27 December 2016. |
