Oreorchis

Lindl.

Terrestrial herbs, stem tuberous or pseudobulbous , 1-2 leaved . Leaves long, narrow . Scape slender ; flowers small, racemose. Sepals and petals subsimilar , erect , 5-nerved . Lip adnate to the base of the column, claw erect, side lobes short , erect ; midlobe spreading , entire . Column , claw erect , side lobes short , erect ; midlobe spreading , entire . Column elongate , subclavate , truncate ; anther 1-celled , with a stipes (as in elongate, subclavate , truncate ; anther 1-celled , with a stipes (as in Tipularia ); pollinia 4, subglobose , distinct .-Species 4, North Asiatic