A hispid, erect or diffuse annual herb, found as a weed. Leaves very variable in shape, usually sessile with a semi-amplexicaul or cordate base, 2.5-10.0 cm x0.6-5.0 cm, upper surface clothed with stiff hair arising from tubercles; flowers pale blue, changing to pink or white, single, on drooping axillary stalks; fruits pyramidal, 4-ribbed, enclosed in enlarged calyx; nutlets 4, 1-seeded.

Emollient and diuretic (herb); sudorific and pectoral (flowers)

For the expulsion of dead foetus; on the swellings, particularly of the joints, dysentery and fever (root)

Sharma PV. Classical Uses of Medicinal Plants.