In both Leea species the adaxial surface of the
petiole is concave in TS with humps on both sides while
the abaxial surface is ‘V’ shape. Simple unicellular
trichomes are present in L. rubra but absent in L. indica.
Collenchyma cells are present in the cortex beneath
epidermal layer in both species. The vascular tissue system
is similar to that of Vitaceae which is closed and surrounded
by a fiber layer occurring as bundle caps. Druses, secretory
cells and accessory vascular bundles are present in both
species (Fig. 1 E and F).