大花盆距兰 da hua pen ju lan

Saccolabium bellinum H. G. Reichenbach, Gard. Chron., n.s., 21: 174. 1884.

Stems 2-5 cm, stout, internodes ca. 1 cm. Leaf blade lorate or oblong, 11.5-23.5 × 1.5-2.3 cm, apex unequally 2-lobed. Inflorescences usually 2 or 3, subumbellate, 4-6-flowered; peduncle ca. 2 cm, stout, with 2 short cupular sheaths at base; pedicel and ovary pale yellow, tinged with purple. Flowers 2-3 cm in diam.; sepals and petals pale yellow with brownish purple markings; lip white, with few sparse purple markings. Sepals subsimilar, elliptic, 12-17 × 6-7 mm, apex obtuse-rounded. Petals slightly smaller than sepals; lip with an epichile and a saccate hypochile; epichile usually ± recurved, nearly reniform-triangular, 7-10 × 15-20 mm, adaxially with dense white papillate hairs except on central cushion, margin erose or fimbriate; cushion yellow, with a cavity at base; hypochile subconic or subglobose, ca. 9 mm tall, ca. 9 mm in diam., rounded-tipped. Fl. Apr.

On tree trunks in dense forests; 1600-1900 m. S Yunnan [Myanmar, Thailand, N Vietnam].