Description from Flora of China
Leptorkis cathcartii (J. D. Hooker) Kuntze.
Herbs, terrestrial. Pseudobulbs ovoid, 5-6 × 4-5 mm, ± enclosed by white membranous sheaths. Leaves 2; petiole sheathlike, 2-5.5 cm, amplexicaul, not articulate; blade elliptic, ovate, or ovate-oblong, 3.5-8 × 1.7-4 cm, base contracted and decurrent into petiole, margin slightly crisped or nearly entire, apex acute or obtuse. Inflorescence 7-25 cm; peduncle slightly compressed cylindric, narrowly winged on either side; rachis several to more than 10-flowered; floral bracts ca. 1 mm. Flowers pink, occasionally green or purple; pedicel and ovary 7-8 mm. Sepals narrowly oblong, 7-9 × ca. 2.5 mm, inconspicuously 3-veined, apex obtuse; lateral sepals slightly oblique. Petals nearly filiform, 7-9 × ca. 0.4 mm, 1-veined; lip obovate to elliptic-obovate, 8-9 × 7-8 mm, base contracted, usually with 2 short longitudinal lamellae, very rarely lamellae inconspicuous, margin irregularly toothed, apex subtruncate and mucronate. Column arcuate, 3-3.5 mm, base dilated and thick, apex winged. Capsule obovoid-oblong, 1.1-1.3 cm × ca. 5 mm; fruiting pedicel 6-9 mm. Fl. Jun-Jul, fr. Oct.
Humid or grassy places along valleys; 1900-2500 m. Sichuan, C and NW Yunnan [Bhutan, NE India, Nepal].