sumac (redirected from Harmless Sumac)

sumac /su·mac/ (soo´mak) name of various trees and shrubs of the genus Rhus.

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poison sumac  a species, Rhus vernix, which causes an itching rash on contact with the skin.

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su·mac or su·mach (smk, sh-)

n.

Any of various shrubs or small trees of the genus Rhus, having compound leaves, clusters of small greenish flowers, and usually red, hairy fruit. Some species, such as the poison ivy and poison oak, cause an acute itching rash on contact.

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sumac

Etymology: Ar, summaq

any of a number of species of trees and shrubs in the Anacardiaceae family, including the Rhus species, which have poisonous properties. See poison ivy, poison oak, poison sumac, rhus dermatitis.

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sumac

Rhus spp. trees and shrubs.

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poison sumac

toxicodendronvernix.

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Patient discussion about Harmless 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,