Common Name: common hempnettleScientific Name: Galeopsis tetrahit L. syn. Galeopsis bifida Boenn.Family Name: Lamiaceae (Labiatae) - Mint FamilyIdentification NotesLife Cycleintroduced summer annual, reproducing by seed Stemsupright, simple or branched, square, stem swollen below the node, stiff bristly hairs, hairs downward-pointed Leavesopposite, oval to oblong-oval, petioled, toothed, hairy above and below, upperside more densely haired Flowersbilateral, pink to light purple sometimes white; blotched with white or dark purple markings, calyx somewhat spiney; axillary whorls above