Figure 15.
Costusoreophilus Maas & D.Skinner A plant in habitat B inflorescence showing clasping upper leaves and recurved corolla lobes on a fresh flower C flowering shoot showing narrowly elliptic leaf lamina D upper part of inflorescence showing recurved corolla lobes and adaxially oriented to erect labellum. Photos A–D by Dave Skinner taken near La Molienda along the Río Estancia, Tungurahua, Ecuador.