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FOC | Family List | FOC Vol. 25 | Orchidaceae | Odontochilus

4. Odontochilus crispus (Lindley) J. D. Hooker, Fl. Brit. India. 6: 99. 1890.

小齿唇兰 xiao chi chun lan

Anoectochilus crispus Lindley, J. Proc. Linn. Soc., Bot. 1: 180. 1857; Cystopus crispus (Lindley) Kuntze.

Plants autotrophic, 6-20 cm tall. Stem ascending, 3-5-leaved. Leaves abaxially pale green, adaxially dark green, ovate, 1.2-1.5 × 0.9-1.2 cm, apex acute; petiole-like base and tubular sheath 0.5-1 cm. Peduncle 1.5-7 cm, with 1 or 2 sterile bracts, pubescent, purplish red; rachis 1-5 cm, subdensely (1-)3-8-flowered, pubescent; floral bracts purplish, lanceolate, 7-9 mm, nearly as long as ovary, outer surface pubescent, apex acuminate. Flowers resupinate, greenish white; ovary and pedicel twisted, cylindric, 8-10 mm, glabrous. Sepals green, pubescent on outer surface, 1-veined; dorsal sepal forming a hood with petals, narrowly ovate, cymbiform, ca. 6 × 2.3 mm, apex acuminate; lateral sepals narrowly elliptic, oblique, ca. 6.5 × 2.7 mm, apex subacute. Petals green, triangular, falcate, ca. 6 × 2 mm, glabrous, 1-veined, apex acuminate; lip white, Y-shaped, ca. 13 mm; hypochile slightly dilated, shallowly bisaccate, ca. 2 mm, containing a central longitudinal septum and 1 stalked, fleshy callus on either side; mesochile ca. 4 mm, margin incurved and entire to shallowly crenulate, lacking flanges; epichile longitudinally dilated, long, 2-lobed; lobes diverging at an acute angle to one another, oblong to obovate, ca. 7 × 3 mm, margin crenulate or serrulate, apex truncate-obtuse. Column stout, not twisted, with 2 lamellate wings; rostellum short, erect, bifid; stigma lobes separate. Fl. Sep-Oct.

Damp places in forests, valleys; 1600-1800 m. SE Xizang, NW Yunnan [Bhutan, NE India, Nepal].


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