rumex obtusifolius, bitter dock on the summer meadow

rumex obtusifolius leaf butter dock flower bitter green nature polygonaceae broadleaved plant natural wild closeup fresh weed stem bluntleaf leaves subsp summer tubercle meadow foliage flora perianth segment herbal outdoor europe grass medicine medicinal crop eurasian beautiful brown wildflower homeopathic vertical england homeopathy inflorescence veroja perennial stalk forest broad-leaved