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sumac/su·mac/ (soo´mak) name of various trees and shrubs of the genus Rhus.
poison sumac a species, Rhus vernix, which causes an itching rash on contact with the skin.
1. Any of various shrubs or small trees of the genera Rhus and Toxicodendron, having compound leaves, clusters of small greenish flowers, and usually red, hairy fruit. Species in the genus Toxicodendron, such as poison sumac, have toxic sap.
2. A tart, dark reddish-brown powder made from the ground dried fruits of a Eurasian sumac (Rhus coriaria), used as a seasoning in Middle Eastern cuisine.
Etymology: Ar, summaq
Rhus spp. trees and shrubs.
Patient discussion about sumac
Q. is poison ivy or sumac contagious
A. if you scratch the rash and it has open sores,the pus from the sores can spread to other parts of the body and to other people as well,More discussions about sumac