Odontochilus poilanei (Gagnepain) Ormerod Lindleyana. 17: 225. 2002.

齿爪齿唇兰 chi zhao chi chun lan

Evrardia poilanei Gagnepain, Bull. Mus. Natl. Hist. Nat., sér. 2, 4: 596. 1932; Chamaegastrodia poilanei (Gagnepain) Seidenfaden & A. N. Rao; Evrardiana poilanei (Gagnepain) Averyanov; Evrardianthe poilanei (Gagnepain) Rauschert; Hetaeria poilanei (Gagnepain) Tang & F. T. Wang.

Plants holomycotrophic, 12-18 cm tall. Rhizome yellowish white, short, stout. Stem erect, purplish red, stout, leafless, with many sheathing scales; scales overlapping, purplish red, membranous, pubescent on outer surface and margin. Rachis 3-7 cm, subdensely several to more than 10-flowered, pubescent; floral bracts purplish red, ovate, ca. 10 mm, ca. as long as ovary, outer surface pubescent, apex acuminate. Flowers fragrant, erect, not resupinate; ovary and pedicel purplish red, cylindric-fusiform, not twisted, 10-12 mm, pubescent. Sepals purplish red, pubescent on outer surface; dorsal sepal connivent with petals, ovate, cymbiform, ca. 7 × 4 mm, 1-veined, apex subacute; lateral sepals slightly spreading, ovate, oblique, ca. 7 × 3.3 mm, apex acute. Petals purplish red, linear-lanceolate, oblique, falcate, ca. 7 × 1.5 mm, 1-veined, apex acute; lip deep yellow, T-shaped, ca. 16 mm; hypochile slightly dilated, concave-saccate, ca. 2 mm, aseptate, containing 2 sessile, domed calli at base; mesochile 6-8 mm; flanges narrow, irregularly erose-crenulate; epichile transversely dilated, ca. 3 × 12 mm wide, 2-lobed, with 2 hornlike, divergent, V-shaped lacunae at apex; lobes diverging at right angles to axis of lip, oblong, ca. 5 × 2.5 mm, minutely papillate on both surfaces, margin incised-erose, apex truncate. Column short, with 2 subsquare, lamellate wings; anther ovoid, ca. 2.5 mm, apex acuminate; rostellum erect, furcately 2-lobed. Fl. Aug.

Damp places in broad-leaved evergreen forests, valleys; 1000-1800 m. SE Xizang, SE Yunnan [Japan, Myanmar, Thailand, S Vietnam].