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, 10-40cm in length, and the end is drooping gently. Flower stalks stand erect and set 20-30 green, around 3mm-in- width flowers on the upper portion in a racemose way. Bloom time: April-May.