少花鹤顶兰 shao hua he ding lan

Calanthe delavayi Finet, Bull. Soc. Bot. France 46: 434. 1900; C. coelogyniformis Kraenzlin.

Plants 20-35 cm tall. Pseudobulb subglobose, 1-2 × 0.8-1.5 cm. Leaves 3 or 4, on upper part of pseudobulb; blade green, elliptic or obovate-lanceolate, 12-22 × 3-5.5 cm, glabrous, apex acute. Inflorescences arising from leaf axis, exceeding height of leaves, 25-30 cm, sparsely 2-7-flowered, glabrous; floral bracts persistent, lanceolate, 1.2-3 × 0.3-0.6 cm, glabrous. Flowers widely opening, purplish red or yellowish; pedicel and ovary 1.5-2.3 cm, glabrous; sepals and petals with purple spots on margins. Sepals similar, oblong-lanceolate, 1.5-2.2 × 0.3-0.6 cm, glabrous, apex acuminate. Petals narrowly oblong to obovate-lanceolate, 1.5-2 × 0.3-0.4 cm, apex acuminate; lip white with purple marks and purple flush, subrhombic, ca. 2 × 2 cm, shallowly 3-lobed, apical margin erose, apex subtruncate and emarginate; disk with 3 shortly hairy ridges; spur straight, purple-red or yellow, cylindric, 0.6-1 × ca. 0.15 cm, apex obtuse. Column 0.7-0.8 cm, pubescent ventrally; rostellum nearly square. Fl. Jun-Sep.

● Streamsides, mixed forests; 2700-3500 m. S Gansu, SE to W Sichuan, SE Xizang, SW Yunnan.