poison sumac

1. A shrub or small tree (Toxicodendron vernix) of eastern North American wetlands, having compound leaves and greenish-white berries and causing a rash on contact.

2. A skin rash caused by contact with this plant.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

poi′son su′mac

a swamp shrub or small tree, Rhusvernix, of the cashew family, common in the eastern U.S., having pinnate leaves and pale green flowers: may cause allergic dermatitis when touched.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	poison sumac - dermatitis resulting from contact with a poison sumac plant Rhus dermatitis - contact dermatitis resulting from contact with plants of the genus Toxicodendron
	2.	poison sumac - smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil poison ash, poison dogwood, Rhus vernix, Toxicodendron vernix genus Toxicodendron, Toxicodendron - in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America poisonous plant - a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism

Translations

poison sumac

n (bot) zumaque venenoso

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References in periodicals archive

According to Poison-Ivy.org, a website which also provided information about poison oak and poison sumac, the rash from poison ivy may first appear as just a slight itchy spot.

Hey, is that poison ivy? Plants

People tend to be afraid of it because of its cousin, poison sumac (Toxicodendron vernix), although the two are very different; poison sumac has white berries and grows in marshy areas.

HOMEMADE SODA Get Fizzy with it: Brew your own healthy, refreshing sodas and feel bubbly with glee

Along with Tecnu Original Outdoor Cleanser and Licefree, the company manufactures Tecnu Extreme Poison Ivy Scrub, a fast-acting poison ivy scrub that works in 15 seconds; Tecnu Rash Relief Spray with scar prevention, a homeopathic anti-itch spray that can be applied without having to touch the rash; and Calagel Medicated Anti-itch Gel, a steroid-free treatment that relieves the itching, dries the oozing and reduces the swelling from poison ivy, poison oak and poison sumac rash.

Tec Labs continues to provide solutions

* Poison ivy, poison oak, and poison sumac contain oils that cause rashes to appear in 12 to 72 hours after contact.

Stop the Itch at the source: common culprits and skin care tips to protect and soothe aging skin

This form of contact dermatitis results from a type IV hypersensitivity reaction to urushiol, a colorless oil in the leaves, stem, root, and fruit of poison ivy, poison oak, and poison sumac. The reaction, which occurs 24 to 72 hours following contact with the skin, can be prevented by washing the skin promptly with a detergent soap after exposure.

Poison ivy: how effective are available treatments?

Unfortunately, it also brings some less-desirable plants with it as well, such as poison ivy, poison oak, and poison sumac. As your patients happily emerge from their houses to play outside, some will inevitably end up in your offices itching and uncomfortable from contact dermatitis.

Practical parenting: poison plants

Other rules include: Trash, household items, building materials, roots, bushes, briars, and harmful plants, like poison ivy, poison oak or poison sumac will not be accepted; brush is limited to branches with a diameter no larger than 6 inches.

The Week Ahead; Nov. 21 through 30

Both products provide temporary relief from the pain and itching associated with insect bites, minor skin irritations, sunburn, rashes due to poison, ivy, poison oak or poison sumac, and minor cuts and scrapes.

Allegra is now in OTC skin care

Rhus vernix, poison sumac, is handsome to look at, but hard to handle.

The mantle sumac: how a tree that escaped an early death finally came to rest in the most unexpected of places

Poison ivy, poison oak, and poison sumac are plants that contain an irritating, oily sap called urushiol.

Allergies AN OVERVIEW

According to president Steven Rosenfeld, Columbia Antiseptic Powder has been used for more than a century by health care professionals to treat decubital ulcers, contact dermatitis, tinea pedis, moist dermatitis, prickly heat and other fungal infections as well as chafing, poison ivy, poison sumac, poison oak, windburn, razor burn and sunburn.

Bronxville, N.Y

A frisky narrative teases with cautions about hissing snakes and poison sumac lying in wait.

Not Your Typical Fitness Book: Chubby Gal Fitness Published by Outskirts Press