指叶拟毛兰 zhi ye ni mao lan

Basionym: Eria pannea Lindley, Edwards’s Bot. Reg. 28 (Misc.): 64. 1842; E. calamifolia J. D. Hooker; E. odoratissima Teijsmann & Binnendijk; E. teretifolia Griffith; Pinalia calamifolia (J. D. Hooker) Kuntze; P. pannea (Lindley) Kuntze.

Plants small, densely white tomentose when young. Rhizome creeping, elongate, slender, noded. Stems borne 2-5 cm apart on rhizome, terete, 1-2 cm, 3-4 mm in diam., with 3 or 4 leaves near apex. Leaves terete, slightly laterally compressed, 4-20 × ca. 0.3 cm, fleshy, adaxially grooved and often with white hairs along margins of grooves, apex obtuse. Inflorescence arising from between leaves, 3-5 cm, 1-5-flowered; floral bracts ovate-triangular, ca. 6 × 4 mm, obtuse. Flowers vanilla-scented, pale yellow-green, lip dark purplish; pedicel and ovary 7-10 mm. Sepals densely hairy abaxially, yellowish brown (when dried) and sparsely hairy adaxially; dorsal sepal oblong-elliptic, ca. 6 × 3 mm, obtuse; lateral sepals obliquely ovate-triangular, ca. 6 × 5 mm, obtuse. Petals oblong, ca. 5 × 2 mm, both surfaces sparsely white hairy, obtuse; lip subobovate-elliptic, ca. 7 × 4 mm, apical part slightly fleshy, both surfaces white tomentose, margin entire, apex obtuse-rounded, base narrowed and with a linear callus, apex with 1 conspicuous elongate-elliptic callus. Column ca. 1.5 mm, abaxially sparsely white hairy, foot ca. 4 mm. Fl. Apr-May. 2n = 36, 38.

Epiphytic on trees or lithophytic on rocks in forests; 800-2200 m. Guangxi, SW Guizhou, SE Hainan, SE Xizang, SW Yunnan [Bhutan, Cambodia, NE India, Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand, Vietnam].