Stelis pilosa is a species of epiphytic orchid native to Costa Rica and Panama.
It is a small orchid with an epiphytic habit, with thin ramicauls carrying a single leaf. It blooms with an inflorescence, 3 to 10 cm long, racemose, loosely with 6 to 8 flowers arising from a spathe at the base of the leaf. A characteristic of this species is that the flowers are white.[1]
It is found in Panama and Costa Rica in low mountain humid forests at elevations of 1200 to 1800 meters.[2]
It was described by Alec M. Pridgeon & Mark Wayne Chase, in: Lindleyana 17: 100. in 2002.[3]