Any of numerous small terrestrial orchids of the genera Liparis and Listera,having usually two basal leaves and a terminal cluster of greenish or purplish flowers.

• 羊耳蒜，双叶兰多种羊耳兰和叶兰属的小型陆生兰花中的一种，通常有一对叶片，顶端有一簇发绿或发紫色的花。