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

plant heracleum hogweed blooming poison big common natural green nature summer flower cartwheelflower wild leaf parsnip flora garden toxic dangerous giant poisonous homeopathy wildflower white herb beautiful forest botany wide cow weed herbal tree apiaceae background spring harmful park phototoxic blossom wildflowers macro allergen outdoor fresh danger sosnovskyi blooming medicinal sphondylium