Urtica

(er-ti’kah) [L.]. 1. A genus of plants, including the true or typical nettles; plants covered with stinging hairs and secreting a poisonous fluid. 2. A wheal or pomphus. U. dio’ ca, a stinging * nettle of temperate regions having stimulant, diuretic, and hemostatic properties; also its homeopathic preparation.