Platycoryne Rchb.F.

Terrestrial herbs with fleshy or tuberous roots. Stems unbranched, ± leafy. Leaves scattered along the stem or the majority in a tuft at the base, usually narrow. Inflorescence terminal, 1-many-flowered. Flowers resupinate, usually orange or yellow or greenish, rarely white. Sepals free, the laterals deflexed, the dorsal forming a helm with the 2 petals. Petals usually adherent to the dorsal sepal, usually simple but rarely with a short lobe at the base of the front margin. Lip free, calcarate, simple or with short side lobes; spur cylindrical. Column erect, the anther upright, loculi parallel, contiguous, canals varying in length, rarely scarcely developed, adnate to the side lobes of the rostellum; pollinaria 2, each with sectile pollinium, a long caudicle and elliptical viscidium; stigmatic processes distinct, decurved, thick with rounded knob-like apices, the rostellum either between the anther-loculi or standing out in front of the anther, 3-lobed, ± erect, the middle lobe often overtopping the anther, the side lobes porrect and usually projecting beyond the hood, sometimes short and shoulder-like. Capsules oblong or fusiform.