Description from Flora of China
Malaxis odorata Willdenow, Sp. Pl. 4: 91. 1805; Empusa paradoxa Lindley; Leptorkis odorata (Willdenow) Kuntze; Liparis longiscapa (Rolfe ex Downie) Gagnepain & Guillaumin; L. odorata var. longiscapa Rolfe ex Downie; L. paradoxa (Lindley) H. G. Reichenbach; L. paradoxa var. parishii J. D. Hooker; L. parishii (J. D. Hooker) J. D. Hooker; L. simeonis Schlechter; L. teniana Kraenzlin; L. tenii Schlechter; L. tonkinensis Gagnepain.
Herbs, terrestrial. Pseudobulbs subovoid, 1.3-2.2 × 1-1.5 cm, noded, ± enclosed by white membranous sheaths. Leaves 2 or 3; petiole sheathlike, 2.5-10 cm, not articulate; blade narrowly elliptic, ovate-oblong, oblong-lanceolate, or linear-lanceolate, 6-17 × 2.5-6 cm, membranous or herbaceous, base contracted into petiole, margin entire, apex acuminate. Inflorescence 14-40 cm, conspicuously exceeding leaves; rachis laxly several to 10-flowered; floral bracts often spreading horizontally, lanceolate, 4-6 mm. Flowers greenish yellow or greenish brownish; pedicel and ovary 6-8 mm. Dorsal sepal linear, 7-8 × ca. 1.5 mm, inconspicuously 3-veined, margin revolute, apex obtuse; lateral sepals ovate-oblong, slightly oblique, 6-7 × ca. 2.5 mm, 3(or 4)-veined. Petals nearly narrowly linear, 6-7 × ca. 0.8 mm, widened toward apex, 1-veined, margin revolute; lip obovate-oblong, ca. 5.5 × 3.5-4.5 mm, with 2 triangular calli near base, apical margin denticulate, apex subtruncate and emarginate; calli ± united at base, ca. 0.8 mm tall. Column slightly arcuate, ca. 4.5 mm, with narrow wings on both sides, wings gradually widened toward column apex. Capsule obovoid-oblong or ellipsoid, 1-1.5 cm. Fl. Apr-Jul, fr. Oct. 2n = 36, 42.
Forests, sparse forests, grassy slopes; 600-3100 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, SW Sichuan, Taiwan, S Xizang, Yunnan, Zhejiang [Bhutan, India, Japan, Laos, Myanmar, Nepal, Thailand, Vietnam; Pacific islands (Guam)].