Thrixspermum trichoglottis (J. D. Hooker) Kuntze Revis. Gen. Pl. 2: 682. 1891.

同色白点兰 tong se bai dian lan

Sarcochilus trichoglottis J. D. Hooker, Fl. Brit. India 6: 39. 1890.

Stems ascending, 3-7 cm, 3-4 mm in diam., with several nodes, many leaved, internodes 5-6 mm. Leaves 3-5.5 × 0.5-1 cm, leathery, obtuse and slightly unequally bilobed. Inflorescences 2 or 3, borne on lower part of stem, suberect, usually 3-4 cm, densely several flowered; peduncle ca. 1 mm in diam.; rachis 3-5 mm, slightly thickened; floral bracts persistent, densely arranged, ovate-lanceolate, 3-4 mm, acuminate. Flowers yellowish white, opening successively, not opening widely, short-lived; pedicel and ovary ca. 5 mm. Dorsal sepal elliptic, ca. 4 × 2.5 mm, obtuse; lateral sepals obliquely ovate, ca. 4 × 2.5 mm, obtuse. Petals elliptic, ca. 3.5 × 2 mm; lip 3-lobed, base with shallow sac, adaxially densely minutely papillate; lateral lobes erect, suborbicular, ca. 3 × 2 mm, apical margin with long clavate cilia; mid-lobe ca. 1 mm, thickened, ± conic-cucullate; disk with a clavate-linear callus extending from base to middle. Column ca. 2 mm, foot ca. 1 mm; anther cap subglobose, rounded. Fl. Mar.

Epiphytic on tree trunks in open forests; 700-800 m. S Yunnan [India (including Andaman Islands), Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand, Vietnam].