冷兰 leng lan

Peristylus humidicola K. Y. Lang & D. S. Deng, Novon 6: 190. 1996; Bhutanthera humidicola (K. Y. Lang & D. S. Deng) Ormerod.

Plants 3-4 cm tall. Tuber somewhat calabash-shaped, 1.2-1.5 cm × 6-8 mm. Stem 1-2 mm thick. Leaves 2 or 3, nearly tufted, ovate-elliptic to ovate-lanceolate, slightly concave, 1.5-3.3 × 1-3 cm, base contracted into a petiole, apex acute; petioles enclosed by 2 tubular sheaths forming a pseudostem 8-12 mm. Inflorescence short, scarcely exceeding leaves, ± broadly corymbose, 1-8-flowered. Flowers green-yellow; sepals white margined apically; petals and lip becoming deep purple after pollination; pedicel 3-5 mm; ovary 4-6 mm. Dorsal sepal suborbicular, 3-4.5 mm, margin denticulate toward apex; lateral sepals ovate-elliptic, slightly longer than dorsal sepal. Petals orbicular, 2-2.5 mm, fleshy, apex rounded-obtuse; lip 3-3.5 cm, fleshy, spurred, 3-lobed toward its base; lateral lobes triangular, small; mid-lobe ligulate-linear, 2-2.7 mm; spur 1-2 × 0.5-1 mm, rounded-obtuse at end. Fl. Aug.

● Sides of tall sedge tussocks, soil-covered rocks in swampy meadows; 3600-4500 m. SE Qinghai.