rarely epiphytic, rhizomatous herbs. Stem erect, few to many leaved. Leaves
widely spaced along stem, ovate-elliptic or lanceolate, oblique, coriaceous.
Inflorescence terminal, densely many flowered spikes, secund or cylindric,
glabrous or pubescent. Flowers resupinate. Sepals free, subsimilar, outer surface
glabrous or pubescent; dorsal sepal concave, forming a hood over column;
lateral sepals connivent with lip. Petals membranous, glabrous; lip connate
with column at base, saccate. Column short, dilated; anther erect; pollinia 2, club-shaped, granular-farinaceous, 2-parted; viscidium
ovate or oblong; rostellum deltoid; stigma lobes connate. Capsule erect, ovoid