Stem has trichome (See picture)

Leaf is simple, opposite, netted venation, serrated margin, ovate shape (acute apex and round base)

Flower inflorescence is raceme, complete and perfect flower, 5 free sepals, two kind of petals- 3 white in lower and violet-pink in upper (See pictures) 

Fruit is dry dehiscent and many seeds (See pictures)

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