thickets of poisonous hogweed. dangerous plants are taller than a man

thickets poisonous hogweed dangerous plants are taller than man umbrella plant heracleum weed blossom bloom inflorescence flower flowering leaf foliage stem umbelliferous danger toxic poison burn harmful invasive overgrown growing capture massive giant big large green white cow parsnip mantegazzianum feedstuff botany flora floral landscape nature environment wildlife summer wild sky blue clouds