Eulophia herbacea Lindley Gen. Sp. Orchid. Pl. 182. 1833.

毛唇美冠兰 mao chun mei guan lan

Eulophia albiflora Edgeworth ex Lindley; E. brachypetala Lindley; E. vera Royle; Geodorum bicolor (Roxburgh) Voigt; Graphorkis bicolor (Roxburgh) Kuntze; G. herbacea (Lindley) A. Lyons; Limodorum bicolor Roxburgh.

Plants autotrophic, 25-50 cm tall. Pseudobulb borne above ground, irregularly ovoid, ca. 2 × 1 cm, few noded, with a few slender roots. Leaves 2 or 3, present at anthesis, lanceolate, 15-29 × 2-5.5 cm, tapering at base into a long petiole-like stalk, apex acuminate; petiole-like stalk 6-25 cm, partially enclosed in several basal sheaths and forming a pseudostem to ca. 15 cm. Inflorescence arising from an intermediate node of pseudobulb, racemose, 22-50 cm, slender, with 2 or 3 scattered sheaths 3-8 cm; rachis 8-15 cm, laxly 6-10-flowered; floral bracts linear-lanceolate, 20-33 mm, usually slightly exceeding ovary, apex acuminate. Flowers medium-sized to large, 30-52 mm in diam.; sepals pale green to greenish yellow, petals and lip white flushed yellowish green at base; pedicel and ovary 20-28 mm. Sepals similar, linear-lanceolate or narrowly oblong, 22-28 × 4-5 mm, apex acuminate; lateral sepals slightly oblique. Petals obovate-oblong, 17-20 × 6-7 mm, apex obtuse; lip ovate-oblong, 17-20 × 7-10 mm, spurred at base, 3-lobed; lateral lobes incurved and loosely embracing column, subovate, narrow; mid-lobe strongly deflexed, broadly oblong, 7-8 × 5-7 mm, apex truncate-rounded; disk with several parallel rows of tall fimbriae extending to midway along mid-lobe; spur green, saccate-cylindric, 1.5-3 mm, apex rounded. Column ca. 10 mm, without a column foot. Fl. Jun.

Montane grasslands, scrub; below 1500 m. S Guangxi, S Yunnan [Bangladesh, India, Laos, Nepal, Thailand].