Acampe Lindl.

Epiphytic or lithophytic, monopodial herbs. Stem simple or branched, stout, leafy. Leaves distichous, conduplicate, apex mostly unequally bilobed, thickly coriaceous, unmarked. Inflorescence axillary, stout, racemose, corymbose or paniculate, shorter than the leaves; bracts inconspicuous, scale-like, persistent.. Flowers non-resupinate, rather small, fleshy, fragile. Sepals and petals similar, flat or curved; lateral sepals adnate to the spur (when present); petals usually narrower and recurved at the apex. Lip positioned uppermost or pointing towards the apex of the inflorescence, saccate or with a short spur, adnate to the column, immobile, rigid, variously lobed, fleshy, muricate, papillose or dentate, often densely ciliate towards the base; spur, when present, lacking any internal tongue or median septum. Column short, fleshy, glabrous or papillose, with 2 narrow, tooth-like stelidia; foot absent; anther ovate, apiculate; pollinia 4, globose, unequal, waxy, united in 2 pairs on a thick, subulate caudicle; viscidium small, oval; stigma transverse, concave; rostellum short, emarginate.