Velamen: The thick sponge-like covering of the roots of epiphytic orchids which helps prevent water loss and aids in absorption.*
*Allikas, G. & Nash, N. (2000). Orchids. London: PRC.
Velamen: The thick sponge-like covering of the roots of epiphytic orchids which helps prevent water loss and aids in absorption.*
*Allikas, G. & Nash, N. (2000). Orchids. London: PRC.