the hogweed a huge plant with large white parasol-like flowers

allergen background beautiful bloom blooming blossom botanic botany cartwheelflower cow danger dangerous environment flora flower giant green harmful heracleum herb herbal hogweed homeopathic homeopathy inflorescence invasive large macro mantegazzianum natural nature outdoor parsnip phototoxic plant poison poisonous season species summer toxic umbrella white wide wild wildflower wildflowers