| + | Pseudobulbs elongated-pyriform, not compressed, 1-lvd.: lvs. large, rather leathery, folded, contracted to the petiole: scapes arising from the base of the pseudobulbs, simple, bearing a lax few-fld. raceme: fls large, fleshy, pedicelled; sepals rather thick, free- spreading, lateral ones oblique, very large; petals fleshy, twisted, conspicuously narrower than the sepals: labellum fleshy, concave, erect, not movably jointed with the base of the column, lateral lobes erect, axe-shaped, laxly surrounding the column; midlobe linear- hastate; column rather long, terete, clavate or abruptly truncate at apex; rostellum 2-toothed, membranaceous; pollinia 2: caps. fusiform.—About 3 species, Trop. Amer. |