Parietaria judaica

Species of flowering plant

Parietaria judaica, spreading pellitory, is a species of herbaceous perennial flowering plant in the family Urticaceae. It is native to the eastern Mediterranean and Middle East, and is widely established worldwide as an urban weed. Its pollen is a significant cause of asthma and other allergies in warmer countries, but it is also valued as a contributor to biodiversity in polluted cities and it has been used as a medicinal herb.

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