3. Acampe papillosa (Lindley) Lindley, Fol. Orchid. 4(Acampe): 2. 1853.
短序脆兰 duan xu cui lan
Saccolabium papillosum Lindley, Edwards’s Bot. Reg. 18: ad t. 1552. 1832; Acampe carinata (Griffith) Panigrahi; Gastrochilus carinatus (Griffith) Schlechter; G. papillosus (Lindley) Kuntze; S. carinatum Griffith; Sarcanthus papillosus (Lindley) Tixier.
Stems 5-20 cm or longer, 7-9 mm in diam., internodes 1-2 cm, laxly clothed with many distichous leaves. Leaf blade oblong, 7-14.5 × 1.4-2.3 cm, amplexicaul-sheathing at base, apex obtuse and slightly unequally bilobed. Inflorescences often several, opposite to leaves or axillary, 1-4 cm, subumbellate, with many short branches, densely few to many flowered; peduncle 3-10 mm, ca. 3 mm in diam.; floral bracts broadly triangular, 1-2 mm, fleshy, acute. Flowers slightly fragrant, opening widely; sepals and petals yellow with reddish brown transverse stripes, lip creamy white, slightly spotted with purple-red, spur yellow; pedicel and ovary ca. 5 mm, pale yellow. Dorsal sepal oblong, ca. 5 × 1.8 mm, obtuse; lateral sepals falcate-oblong, ca. 5 × 2 mm, obtuse. Petals oblong, ca. as long as dorsal sepal and narrower; lip inconspicuously 3-lobed, divided into hypochile and epichile; hypochile a narrow margin around entrance of spur; epichile ovate, ca. 3.5 × 3 mm, adaxially with dense warts, base with a transverse septum separating it from hypochile, margin crisped-corrugate, apex obtuse; spur straight, cylindric, ca. 3 × 2 mm, inside with dense white hairs. Column ca. 1.5 mm, stout, slightly shortly hairy; anther cap subglobose. Capsule erect or ascending, fusiform, 2-3 cm × 4-8 mm. Fl. Nov, fr. Dec-Jan. 2n = 36, 38, 72.
Epiphytic on tree trunks in forests; ca. 500 m. Hainan, SW Yunnan [Bangladesh, Bhutan, NE India, Laos, Myanmar, Nepal, Thailand, Vietnam].