Distribution and Habitat: Throughout India.
Botany: An erect or diffuse much branched herbaceous annual, 15-60 cm in height with hispid or scabrid quadrangular stems and branches.
- Leaves: Sub sessile, linear or linear oblong or linear lanceolate, obtuse, entire or crenate, pubescent up to 7.5 cm long and 1.25 cm broad.
- Flowers: Pure white, small, in dense terminal or axillary whorls. Calyx variable, 8-13 mm long; corolla 1cm long, enlarged and pubescent above, annulate about the middle; upper lip 3 mm long, lower lip about twice as long, the middle lobe obovate, rounded, the latertal lobes small, subacute.
- Fruits: Nutlets, 2.5mm long, oblong, brown, smooth, inner face angular and outer face rounded.
Properties: Insecticidal, antipyretic
Chemical constituents: Oleanolic acid, ursolic acid
Uses: Psoriasis, scabies, skin diseases, colic, verminosis, arthralgia, chronic skin eruptions, psoriasis, intermittent fevers and ulcers
Propagation: By seeds