two umbrellas with white small florets of a hogweed, close-up, on a blue background. heracleum sphondylium blooming -

apiaceae background beautiful blooming blossom blue branch closeup color common cow eltrot europe flora floral floret flower flowering grass green heracleum herb hogweed inflorescence invasive isolated large like macro natural nature parasol parsnip plant poison poisonous season small sphondylium stalk stem summer two umbelliferous umbrella weed white wild wildflower young