Nervilia concolor

Nervilia concolor, commonly known as tall shield orchid, and to as Nervilia aragoana in Australia, is a small terrestrial orchid found in South Asia and Southeast Asia and in the northern regions of Australia. It has pale green, short-lived flowers with a cream-colored or yellowish labellum and a more or less circular leaf that emerges at the base of the flowering stem after flowering....read more on Wikipedia.