高斑叶兰 gao ban ye lan

Neottia procera Ker Gawler, Bot. Reg. 8: ad t. 639. 1822; Epipactis procera (Ker Gawler) A. A. Eaton; Goodyera carnea A. Richard; Leucostachys procera (Ker Gawler) Hoffmannsegg; Orchiodes procera (Ker Gawler) Kuntze; Peramium procerum (Ker Gawler) Makino.

Plants terrestrial, 25-80 cm tall. Rhizome stout, few noded. Stem erect, 8-35 cm, 5-11-leaved. Leaves spaced along stem or occasionally clustered toward apex, abaxially pale green, adaxially green, without white markings, oblong-elliptic to narrowly ovate-elliptic, 5.5-15 × 1.8-5.5 cm, base attenuate, apex acute or acuminate; petiole-like base and tubular sheath 3-7 cm. Peduncle green, 8-38 cm, glabrous to sparsely pubescent, with 4-10 sterile bracts; rachis 4-18 cm, densely many flowered, usually not secund; floral bracts ovate-lanceolate, 5-7 mm, glabrous, apex acuminate. Flowers fragrant, opening weakly, white tinged pale green, small; pedicel and ovary cylindric-fusiform, 3-5 mm, glabrous. Sepals glabrous, 1-veined; dorsal sepal ovate or elliptic, 3-3.5 × 1.7-2.5 mm, concave, apex acute; lateral sepals ovate, oblique, 2.5-3.2 × 1.5-2.2 mm, apex acute. Petals white, spatulate, 3-3.5 × 1-1.2 mm, 1-veined, apex obtuse; lip broadly ovate, 2.2-2.5 × 1.5-1.7 mm; hypochile concave-saccate, inside papillose; epichile deltoid, very small, apex obtuse or acute, recurved, with 2 small calli. Column ca. 2 mm; anther ovoid; pollinia ca. 1.3 mm; rostellum remnant shallowly bifid. Fl. Apr-May. 2n = 38, 42.

Forests; 200-1600 m. Anhui, N Fujian, Guangdong, Guangxi, Guizhou, Hainan, S and W Sichuan, Taiwan, SE Xizang, Yunnan, Zhejiang [Bangladesh, Bhutan, Cambodia, India, Indonesia, Japan, Laos, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam].