Platycoryne

Terrestrial herbs with fleshy or tuberous roots and leafy, unbranched stems. Flowers resupinate, usually yellow, orange or greenish, rarely white, often in short, dense heads. Sepals free, dorsal sepal forming a hood with petals. Lip entire or 3-lobed, spurred. Column erect; anther erect with parallel locules, canals adnate to side lobes of rostellum. Rostellum large, usually placed in front of anther which is often overtopped by mid-lobe; lateral lobes porrect, usually projecting beyond hood but sometimes short and shoulder-like. Stigmatic processes thickened with rounded ends.