Comprehensive DescriptionRead full entry
DescriptionTerrestrial herbs with ellipsoid or fusiform tubers. Stems leafy. Leaves often numerous and overlapping. Bracts leaf-like, longer than the flowers at least at base of inflorescence. Flowers usually mauve or purple, often with darker spots, less often cream-coloured or greenish-brown. Sepals free. Petals usually adnate at base to side of column. Basal part of lip boat-shaped, spurred or saccate; upper part flattened, usually projecting forwards.