Peristylus forrestii (Schlechter) K. Y. Lang Acta Phytotax. Sin. 25: 454. 1987.

条唇阔蕊兰 tiao chun kuo rui lan

Habenaria forrestii Schlechter, Notes Roy. Bot. Gard. Edinburgh 5: 101. 1912; Herminium suave Tang & F. T. Wang.

Plants slender, 20-25 cm tall. Tubers oblong, 1.5-2 × 0.5-1 cm. Stem with 2 or 3 tubular sheaths at base, 2- or 3-leaved. Leaves basal, linear, 2-6 × 0.2-0.3 cm, ± conduplicate, apex acute. Inflorescence 16-22 cm; peduncle cylindric, slender; sterile bracts 1-3, lanceolate, 4-5 mm; rachis 6-15 cm, laxly many flowered; floral bracts ovate-lanceolate, ca. 3 mm, much shorter than ovary, apex acuminate. Flowers horizontal to nodding, green; ovary 5-8 mm including pedicel. Dorsal sepal erect, broadly ovate, ca. 2.5 × 2 mm, 1-veined, apex obtuse; lateral sepals reflexed, oblong-ligulate, falcate, ca. 2.5 × 1.2 mm, 1-veined, apex obtuse. Petals ovate-lanceolate to ovate, oblique, ca. 3 × 1 mm, 1-veined, apex obtuse; lip deflexed, ligulate, ca. 3 mm, with an oblong groove near base, ecallose, entire, apex obtuse; spur pendulous, curving forward, cylindric, 5.5-6(-8) mm, ca. as long as ovary, slightly dilated toward apex; pollinia ovoid; caudicles short; viscidia slightly curled, ovate. Fl. Aug-Sep.

● Forests, grassy slopes; 1700-3900 m. SW Sichuan, NE and NW Yunnan.