Hayfever radar

Parietaria judaica, asthma weed

About Parietaria Parietaria judaica, with common names spreading pellitory or pellitory of the wall, is a species of herbaceous perennial plant in the family Urticaceae, commonly nicknamed sticky-weed. The plant’s pollen is highly allergenic. In Australia it is also known as asthma weed, due to the high incidence of allergy. It is unrelated to the […]