Perennial, erect, terrestrial herb with short, stunted, stem with pseudobulbs; leaves alternate, long, linear-lanceolate, acuminate, petioled, recurved, thick coriaceous, 7-11 nerved; spathe many flowered, usually in branched racemes; scape lateral, much long, stout, exceeding the leaves, puberulous; flowers bracteate, pedicellate, liliac, bracts ovate or lanceolate, acuminate, reflexed; sepals free, subequal; petals longer and broader, lip sessile, lateral lobes erect, midlobe clawed, dilating; tepals-6, incurved, purple; disc tubercled or crested; column long, arched 2-winged; stamens in the form of slightly cohering 8-pollinia; ovary superior, style stout, thick, stigma wedge shaped; fruit capsule.