Green leaves glowing in backlight.
Each specimen of this plant has a single leaf. This is a species of Monophyllaea, possibly Monophyllaea singularis of the gesneriad family (Gesneriaceae).
Fairy Cave is a large natural cave near the village of Bau, about 35 Km SW of Kuching (Borneo).
View my other photos of the Fairy Cave.
Photos taken in the Malaysian states of Borneo island (Sarawak and Sabah).