poison oak


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poison oak:

see poison ivypoison ivy,
 poison oak,
and poison sumac,
woody vines and trailing or erect shrubs of the family Anacardiaceae (sumac family), native to North America.
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poison oak

[′pȯiz·ən ′ōk]
(botany)
Any of several bushy poison ivy plants or shrubby poison sumacs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Since the launch of Tecnu, Tec Labs has expanded the line to cover ailments ranging from poison oak and poison ivy to insect bites, minor skin irritations, sunburns and more.
Its three-part leaves can have smooth, toothed or lobed edges, often confused with poison oak.
As the blacktail buck vanished in front of me, I remembered my many youthful encounters with poison oak. Even during the leafless November dormant period, this virulent plant has always been my enemy.
Romance, inevitable with mixed gatherings of teens, is featured in young adult stories like Order of the Poison Oak, Sleepaway Girls, Stepping Up, Sunrise, and Born at Midnight.
The same rash can occur after exposure to poison oak, poison ivy, and poison sumac, and sometimes after exposures to mango trees or Ginkgo Biloba.
Add in a little poison oak and brush, and you have the five tons per acre of thinnings from wildfire protection projects in communities across California.
It takes the goats one to two weeks to eat up the brush, star thistle, and poison oak (unlike humans, they're not allergic to it), leaving manicured slopes behind.
HIGH School Musical star Zac Efron has revealed that he suffered a severe allergic reaction to poison oak during a camping trip.
All ours: Wild clumps of poison oak, a lank Rust-eaten,
But it didn't work, bushes closed in, there was poison oak, vines