高茎卷瓣兰 gao jing juan ban lan

Cirrhopetalum elatum J. D. Hooker, Fl. Brit. India 5: 775. 1890.

Pseudobulbs contiguous, cylindric, ca. 4 cm, ca. 6 mm in diam., with a terminal leaf. Petiole ca. 2 cm; leaf blade oblong, ca. 16 × 2.2 cm, leathery, apex obtuse and slightly emarginate. Scape from base of pseudobulb, erect, 15-18 cm; umbel many flowered; peduncle ca. 2 mm in diam., with 3 or 4 sheaths; floral bracts lanceolate, shorter than pedicel and ovary. Flowers dark yellow. Dorsal sepal ovate, ca. 13 × 7 mm, apex acute; lateral sepals narrowly lanceolate, ca. 3 × as long as dorsal sepal, abaxially finely papillate, base twisted, their upper edges connate to each other, apex acuminate. Petals obliquely ovate-triangular, ca. 4 mm, entire, acute; lip recurved, ovate-lanceolate, fleshy, grooved at base, apex acute. Column stout, with deltoid, rounded wings along lower margins; foot with free part ca. 5 mm; stelidia slender, slightly hooked. Fl. unknown.

Tree trunks in evergreen broad-leaved forests, rocks along valleys; 2200-2500 m. S Xizang, NW Yunnan [Bhutan, India, Nepal, Vietnam].