Indian Snakeweed   
Foto info
Indian Snakeweed
ative Photo: Thingnam Girija
Common name: Indian Snakeweed, Blue snakeweed, Nettle-leaved vervain • Hindi: Kariyartharani • Tamil: சீமை நாயுரிவி Seemai nayuruvi • Malayalam: Katapunnuttu, Seemakongini • Kannada: Kariyuttarani
Botanical name: Stachytarpheta indica    Family: Verbenaceae (Verbena family)

Indian Snakeweed is a terrestrial, annual or perennial, erect subshrub, up to 2 m tall. Taproot white or brown. Stem quadrangular, solid, glabrous or hairy. Stipules absent. Leaves simple, not lobed or divided, opposite, stalked, elliptic or ovate, more than 2 cm long/wide, usually airy on both sides, margin coarsely dentate, apex acute or obtuse, base obtuse our rounded, pinnately veined. Stalkless blue flowers appear in a slender terminal spike, petals 5, blue, with white throat. Fruit is a nut. This plant is similar to the Blue Porterweed (Stachytarpheta jamaicensis). Whether the two are same, is not clear.
Photographed in Imphal, Manipur.
• Is this flower misidentified? If yes,