Habit : An annual herb, upto 75 cm in height with stem viscid-pubescent, hollow.
Leaves : Ovate or ovate-oblong, acute or shortly acuminate at the apex, cuneate at the base with margins shortly toothed, minutely pubescent on both sides.
Flowers :
Solitary, pedicellate.
Calyx 3-4 mm long, enlarging up to 2.5 cm in fruit.
Corolla 6-7 mm long, pale yellow.
Stamens equal, subequal or subspherical, 8 mm long, yellow when ripe.
