heracleum sosnovskyi big poison plant blooming. medicinal plant common hogweed heracleum sphondylium

hogweed dangerous giant poisonous plant field wild flora toxic weed herb heracleum flower summer nature background parsnip blossom green botany growing wildflower bloom spring grass poison leaf season blooming cow large white floral natural danger invasive meadow homeopathy harmful sky umbelliferous sphondylium burn head perennial mantegazzianum beautiful petals herbaceous sosnovskyi big blooming medicinal common