Japan Flora: Pseudobulbs ovoid-globose, about 4 cm. long; stems 30-70 cm. long, slender, covered at base with several leafsheaths, and with 1 or 2 bladeless sheaths near the middle; leaves elliptic-lanceolate to oblong, 20-30 cm. long, 2-5 cm. wide, acuminate, glabrous, gradually narrowed to the sheathing base; inflorescence spicate, loosely 3- to 7-flowered; bracts green, oblong-lanceolate, 2-3 cm. long, 6-8 mm. wide, acute, several-nerved, the margins scarious; flowers rose-purple; sepals and petals alike, 2.5-3 cm. long, 6-8 mm. wide, sub-acute, several-nerved, ascending; lip as long as the perianth, cuneate-obovate, with loosely involute margins, 3-lobed, the terminal lobe suborbicular, undulate on margin, with 5 ele-vated lines inside; column about 2 cm. long. May. Grassy slopes in foothills;

Honshu (Kanto Distr. westw.), Shikoku, Kyushu; rare; frequently cultivated in gardens. Ryukyus and China；

f. gebina (Lindl.) Ohwi. Flowers white.