Bifid Hemp-nettle

(Galeopsis bifida Boenn.) Fam:. Lamiaceae

Danmark Skov-Hanekro, Estland Pügaldunud kõrvik, Finland Peltopillike, HollandGespleten hennepnetel, Island Skoruhjálmgras, Lettland Škeltais aklis, Litauien Mažažiede akle, Norge Vrangdå, Polen Poziewnik dwudzielny, Ryssland Пикульник двухнадрезанный, Tyskland Zweispaltiger Hohlzahn, Storbrittanien Toppdån

Cotyledons 7-12 mm long and 6-10 mm broad, long-petioled, obovate with two backward-directed lobes. True leaves 25-100 mm, ovate to ovate-lanceolate, narrowing gradually to a point, coarsely saw-toothed, softly hairy. Stems 20-60 cm, 4-angled, sharply bristly, branched, slightly swollen below at nodes or below, occasionally red-tipped glandular hairs below nodes. Flowers in terminal spikes and dense clusters in the apper leaf axils. Corolla purple, sometimes pink or white, two-lipped, lower lip three-lobed with middle lip lobed. Reproduces only by seed and germinate generally very quickly in the spring. Site: occurs as weed in all kinds of arable crops and in vegetable gardens, particularly nitrogenous soils (peat soils and humic mineral soils). Summer annual. Very similar to G.tetrahit.