Neither stamens nor staminodes broad and petaloid Orchidaceae
Plants terrestrial with tubers or rhizomes. Leaves basal and/or cauline, large or scale-like
Autotrophs with green leaves and stems; stems sometimes coloured. Leaves sometimes absent at flowering time
Leaves 2 or more. Stem-bracts present or absent
Leaves 1 or none or leaves absent at flowering time. Stem-bracts present or absent