Microtis unifolia is a perennial orchid species inhabiting sunny, low-growing grasslands not far from the seashores, possessing a pseudobulb underground, from which a single stem with a single leaf ascends. The leaf is slender and hollow, measuring 10-40cm in length, and its end droops gently. Flower stalks stand erect and bear 20-30 green flowers, approximately 3 mm wide, on the upper portion in a racemose arrangement. Bloom time: April-May.