无喙天麻 wu hui tian ma

Plants 3-6 cm tall. Rhizome yellowish brown, fusiform, 2-4 cm, 0.5-1.2 cm in diam., with scales at nodes, pilose. Peduncle brown, to ca. 4 cm, fleshy, densely noded; rachis less than 1 cm, densely 2-10-flowered; floral bracts lanceolate, shorter than pedicel, apex acute. Flowers suberect or spreading, opening weakly, pale greenish brown, often turning dark brown; pedicel and ovary 11-16 mm; pedicel elongating to 25-50 cm in fruit. Perianth tube campanulate, 8-11 mm, outer surface verrucose, with a deep sinus between lateral sepals; free portion of sepals broadly ovate, apex obtuse; free portion of petals ovate to suborbicular, much smaller than sepal lobes, apex rounded; lip simple, ovate, ca. 7 × 5 mm, glabrous, base shortly clawed, margin usually slightly erose, apex acute; claw with a pair of globose or ellipsoid calli. Column clavate, 4-5 mm, with an elongate, forked appendage on ventral surface; column wings subquadrate; column foot short; stigma subterminal. Capsule cylindric, 30-40 mm. Fl. Sep-Oct.

● Forests, bamboo plantations; 800-1200 m. C Taiwan.