Although, it has a long tube, meaning only insects with long tongues reach the nectar, some bees have been known to bite into the side of the flower to reach the nectar. The plant produces significant nectar when compared to other UK plants tested. Symphytum × uplandicum flowers later than S. × uplandicum is generally more bristly and has flowers which tend to be more blue or violet. asperum, Symphytum × uplandicum, also known as Blue Comfrey, or Russian comfrey, which is widespread in the British Isles, and which interbreeds with S. Ī common hybrid is formed between Symphytum officinale and S. They are coiled at first and then open out. Between May and June it bears small bell-shaped flowers of various colours, typically cream, white, pink or purplish. The leaves on the stem have margins which extends down the stems. It is a perennial herb with a black, turnip-like root and large, hairy broad leaves. The hardy plant can grow to a height of 1–3 ft (0.3–0.9 m). Description and botanyĬomfrey is a perennial plant found in moist grasslands in western Asia, Europe, and North America. Also the roots could be mashed then packed around a broken limb, when dried they formed a hardened 'plaster cast'. Its early common names, knitbone or boneset, reflect its historical use by poultices of leaves and roots to treat sprains, bruises or bone fractures. Over centuries, comfrey was cultivated in Asia, Europe, and the United Kingdom as a vegetable and herbal medicine.
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