Solanum americanum - Black nightshade
❏ Binomial Name : Solanum americanum Mill.
❏ Synonym : Solanum nigrum,Solanum calvum,Solanum tenellum
❏ Family : Solanaceae
❏ Common Name : Black nightshade
❏ Tamil Name : Manatakkali
❏ IUCN status: Not Evaluated
Solanum americanum Botanical Description
Erect annual herbs; stem glabrous or sparsely hispid. Leaves 2-5 x 1-3 cm, ovate or elliptic, base rounded, shortly decurrent on the petiole, subentire, acute to acuminate at apex, membraneous; petiole to 5 cm long. Inflorescence axillary to extra-axillary umbellate cymes; peduncle 1-2 cm long; pedicels 4-6 mm long. Calyx cupular, 5-lobed, minute. Corolla white, 3-4 mm across, subentire. Berry, 4-5 mm across, globose, purplish-black. Seeds c. 1 mm long, discoid, minutely pitted. Fl. &Fr.: March-November.
Solanum americanum Medicinal uses
❀ The young leaves, flowers and fruits are eaten after cooking.
❀ A decoction of the whole plant is used as a blood purifier, for treating inflammation, dissipating blood stasis, and to expel worms
❀ The cooked leaves are said to have a heart-clearing effect
❀ The pounded leaves are used to treat sores and other skin problems
❀ An infusion of the leaves and stems is used to improve kidney function