Japan flora: Rhizomes short; leaves 3-6, rather long-petiolate, narrowly oblong to obovate-oblong, 20-40 cm. long, acuminate at both ends, puberulent beneath; scapes 40-80 cm. long, arising from the fascicle of fully grown leaves, densely white-puberulent; racemes 5-10 cm. long, densely many-flowered, the bracts spreading, recurved, narrowly ovate, 7-20 mmu long, acute, few-nerved, green; flowers white to rose-purple; sepals obovate or elliptic, spreading, 12-15 mm. long, obtuse, mucronate; petals as long as the sepals and slightly narrower; lip ascending, longer than the sepals, 3-lobed, with 3 series of yellow protuberances near the base within, the lateral lobes ascending, oblong, the terminal lobe large, broadly obtriangular, deeply bifid, the lobules rounded, ascending, cuneate; spur slender, 1.5-2 cm. long, curved upward, longer than the sepals. July-Oct.

Kyushu (s. distr., incl. Yakushima and Tanegashima). Ryukyus, Formosa, China, Malaysia, Bonins, and Micronesia.