Fig. 2.

a The adaxial glabrous surface of dorsal sepal with numerous anomocytic stomata close to the apex (SEM). b Cross-section of dorsal sepal with high elevations on abaxial side (TBO). c Magnification of b, with stomata at the top of elevations—substomatal cavities (arrows) (ABB). d Magnification of b, stomata also present in epidermis between elevations (black arrow) and starch grains noted (white arrows) (PAS). e The adaxial side with numerous lipid bodies and blisters on the cells (arrows) (SBB) (ad adaxial (inner) surface, ab abaxial (outer) surface)