Plants up to 60 cm tall. Stem stout, ± fistular, leafy. Leaves 3-6, ± adpressed to the stem, unspotted, lanceolate to broadly lanceolate and elliptic, often conspicuously narrowed towards the base, broadest at the middle or somewhat above, mostly large 6-15 (-20) cm long, up to 5 cm broad. Inflorescence broadly cylindric, rather short, (3-)5-10(-15) cm, densely many-flowered. Bracts lanceolate, the lower exceeding the flowers. Flowers vividly colored, purplish-lilac or rose, rarely white. Dorsal sepal erect-spreading, ovate-oblong to lanceolate, up to 10 mm long, lateral sepals somewhat reflexed, slightly longer than the dorsal; petals slightly shorter; apex of dorsal sepal and petals ± hooded. Labellum nearly flat, mostly broader than long, broadly oval, entire or somewhat 3-lobed in front, up to 11 mm long, 13 mm broad, minutely papillose above, tinged with dark purple dots and lines. Spur cylindric, ± obtuse. Ovary slightly twisted, glabrous.
Flowering - Fruting : June-July.