Opposite, subcordate or cordate, distantly dentate with the veins ending in denticles at the margin, glandular, petiole slightly shorter than or as long as the lamina, glandular.
Flowers :
Showy, lilac, mottled red blue or yellow inside, pedicellate.
Corolla gibbous, glandular outside, 5-lobed, the posterior lobe the largest, lobes tinged purple obtuse.
Fertile stamens 2, filaments glandular at the base, anthers bilobed, lobes divergent, oblong, adnate when young to the other anther pair, dehiscing longitudinally, staminodes 2, slightly curved.
Ovary globose, glabrous, situated on the top of the subglobose disc, style slender, persistent, stigmas 2, sensitive, flat.
Fruit : Caspsule, more or less ovoid, 2 valved, with the style splitting into 2 curved, lignified and spiny processes.
Flowering and Fruiting Time : August - December
Significance :
The leaves are given in epilepsy applied to the neck.
The juice is used as a gargle for sore throat.
Roots are boiled in milk and taken as a tonic.
Flowers are considered to be good for diabetes.
Fruits are pounded and applied on scorpion stings.