An annual herb, 3-5 ft. high, with alternate, hastate, acute leaves, 1-3 in. long; flowers in axillary or terminal cymes, pinkish white, fragrant, dimorphic and highly self-sterile; fruit a 3-cornered achene, 0.2-0.4 in. long with keeled edges, varying in colour from silvery grey to brown or black.

Acrid, astringent and vasodilator (leaves and shoots)

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Rutin, arginine, lysine, cystine, histidine, glycine, alanine, valine, leucine, glutamic acid, phenylalanine, praline and tryptophane.

For hemorrhoids, circulatory system problems such as vericose ulcers, veins, in colic, choleic, diarrhoea and abdominal obstructions (plant); for bruises in the patients of rheumatoid arthritis (leaves); for restoring the flow of milk in nursing mothers (poultice from the seeds)

This plant has caused photosensitivity in some people.

Stary, Medicinal Herbs and Plants.