短帽大喙兰 duan mao da hui lan

Stems ascending, 1-4 cm, ca. 1 cm in diam., usually 3-5-leaved. Leaves oblong, usually 14-16 × 1.8-2 cm, unequally bilobed. Inflorescence pendulous, racemose, shorter than leaves, unbranched, sparsely many flowered; rachis purplish black; floral bracts ovate-triangular, ca. 1 mm, acute. Flowers whitish, tinged with purplish red or purple, spur white, rostellum yellowish white, apex of anther cap yellowish brown with 2 purple stripes; pedicel and ovary pale purple, ca. 1 cm. Dorsal sepal ovate-elliptic, 4-5 × 3-3.5 mm, rounded; lateral sepals obliquely ovate, slightly larger than dorsal sepal, obtuse. Petals oblong, ca. 4 × 2 mm, obtuse; lip slightly fleshy, 3-lobed; lateral lobes erect, nearly suborbicular; mid-lobe broadly ligulate, ca. 3 × 3.2 mm, concave at center above, apex subtruncate; spur subconic, ca. 3 mm, apex rounded, inside slightly septate, with a callus on back wall; callus subquadrate, grooved centrally. Column stout; rostellum suborbicular, much higher than clinandrium; anther cap nearly triangular, ca. 1.5 mm. Fl. May.

● Epiphytic on tree trunks in forests along valleys; ca. 800 m. S Yunnan.