Odontochilus lanceolatus

Odontochilus lanceolatus (Lindl.) Blume, Coll. Orchid.: 80 (1859) (syn: Anoectochilus flavus Benth. & Hook.f., Anoectochilus luteus Lindl., Anoectochilus lanceolatus Lindl., Cystopus flavus (Benth. & Hook.f.) Kuntze, Cystopus lanceolatus (Lindl.) Kuntze, Odontochilus yunnanensis Rolfe);
.
Sikkim to S. China: Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, Myanmar, Nepal, Thailand, Vietnam as per POWO;
.

Decumbent herbs, up to 30 cm long, rooting at lower nodes, fleshy, purplish. Leaves simple, alternate, spiral; petioles ca. 1.5 cm long, sheathing at base; lamina ca. 2.3-6 x 1-2.5 cm, ovate-lanceolate, cuneate at base, acute at apex, entire, purplish-violet; secondary nerves 3-5 pairs. Inflorescence in racemes, ca. 5-8 cm long; rachis hairy; peduncles ca. 4 cm long; Flowers many, ca. 1.5 cm across, yellow; bracts ovate-lanceolate, ca. 0.8-1.2 cm long, acuminate; dorsal sepal ovate, 0.5 x 0.25 cm, acute; lateral sepals ca. 0.5 x 0.2 cm, ovate-oblong, hooded; lip with two basal sac containing two long spur-like processes; claw with 7-8 pairs of course teeth; apical lobe oblong with obliquely truncate lobules.
Damp places in evergreen broad-leaved forests, valleys; 800-2200 m.
(Attributions: French Institute of Pondicherry as per India Biodiversity Portal)
.

Odontochilus lanceolatus (Lindl.) Blume: 12 very high res. images.