卡氏对叶兰 ka shi dui ye lan

Listera micrantha Lindley, J. Proc. Linn. Soc., Bot. 1: 176. 1857; Diphryllum micranthum (Lindley) Kuntze.

Plants autotrophic, 6-13 cm tall. Stem with 1 oblong sheath toward base. Leaves 2, opposite, borne below middle of plant, sessile, cuneate or ovate, 0.5-1.1 × 0.4-0.9 cm, apex obtuse to subacute. Peduncle 5-10 cm, minutely pubescent; rachis 3-5 cm, pubescent, laxly 4-10-flowered; floral bracts narrowly ovate, concave, ca. 1 mm, apex acute. Flowers resupinate, pale green; pedicel and ovary 2-5 mm, glabrous. Sepals and petals subequal, elliptic, 2-3.3 × 1-1.5 mm, apex subacute, 1-veined; lip deflexed, rectangular, 2-2.5 × 0.5-1.7 mm, 3-veined, with a pair of suborbicular auricles near base, apex 3-lobed; lobes triangular, middle lobe exceeding lateral lobes. Column erect, 0.8-1 mm; anther inclined toward rostellum; rostellum short. Fl. Sep.

Forests; 2800-3100 m. W Yunnan [NE India (Sikkim)].