Genus Oberonia section Diurium
Genus Oberonia Lindl. section Diurium Schltr., Repert. Spec. Nov. Regni Veg. 1 (1911) 175. Type species: Oberonia diura Schltr.
Stems very short to much elongated. Leaf blades not articulated with the sheaths. Flowers protruding at a right angle from the rhachis, flower axis straight. Sepals, petals and lip protrude at right angles from the flower axis. Lip tongue-shaped, with with short basal auricles, narrowed towards the front and ending in two tails or two narrow pointed teeth.
(After Schlechter, 1912)