Poison oak has leaves that look like oak
leaves, usually with three leaflets but sometimes up to seven leaflets per leaf
group. It grows as a vine or a shrub. Poison oak is more common in the western
United States, but it is also found in the eastern United States and, rarely,
in the Midwest.
Poison sumac has 7 to 13 leaflets per leaf
stem. The leaves have smooth edges and pointed tips. Poison sumac grows as a
shrub or small tree. It is found in wooded, swampy areas, such as Florida and
parts of other southeastern states, and in wet, wooded areas in the northern
Poison ivy usually has three broad,
spoon-shaped leaves or leaflets ("Leaves of three? Let it be!"), but it can
have more. It may grow as a climbing or low, spreading vine that sprawls
through grass (more common in the eastern United States) or as a shrub (more
common in the northern United States, Canada, and the Great Lakes
August 19, 2013
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
How this information was developed to help you make better health decisions.
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
We are happy to take your appointment request over the phone, or, you may fill out an online request form.
Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.