. Common trees of Ohio : a handy pocket manual of the common and introduced trees of Ohio. Trees -- Ohio. 88 Common Trees POISON SUMAC Rhus Vernix, Linnaeus THE Poison Sumac, also called Poison Elder, and Swamp Sumac, differs from the other sumac in that it pro- duces ivory-white fruit. The leaves are alternate, 7 to 14 inches long, compound with 7 to 13 leaflets. The leaflets are 3 to 4 inches long,. POISON SUMAC One-half natural size. narrowly egg-shaped, smooth along margin, dark green and shiny above, pale on lower surface. The flowers appear in June or July. The pollen-bear- ing and seed-
. Common trees of Ohio : a handy pocket manual of the common and introduced trees of Ohio. Trees -- Ohio. 88 Common Trees POISON SUMAC Rhus Vernix, Linnaeus THE Poison Sumac, also called Poison Elder, and Swamp Sumac, differs from the other sumac in that it pro- duces ivory-white fruit. The leaves are alternate, 7 to 14 inches long, compound with 7 to 13 leaflets. The leaflets are 3 to 4 inches long,. POISON SUMAC One-half natural size. narrowly egg-shaped, smooth along margin, dark green and shiny above, pale on lower surface. The flowers appear in June or July. The pollen-bear- ing and seed-producing occur on different trees. They arc small, yellowish-green, arranged in drooping panicles. The fruit is small, round, glossy ivory-white drupe, arranged in loose drooping clusters. The bark is smooth, somewhat streaked, light to dark gray, marked with elongated dots. The twigs are stout, orange-brown, smooth, glossy. The buds are purplish, about two-fifths of an inch long, sharp- pointed. The wood is soft, brittle, coarse-grained, light yellow. The Poison Sumac is found from Ontario to Minnesota south to Florida and Louisiana. This small tree is rare in Ohio, occurring in Geauga, Cuyahoga, Wayne, Wyandot, Licking, Fairfield and a few other counties. Swamps, low grounds and moist slopes are its favorite home. This tree is one of our most poisonous plants. Some people are im- mune from its attack while others are highly susceptible. The Dwarf Sumac—Rhus copallina, Linnaeus—is an- other of the non-poisonous Sumacs native in all parts of Ohio, being most common in the southeast part. It rarely exceeds 15 feet in height and may be distinguished by its leaves with winged stalks and leaflets with smooth Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illick, Joseph S. (Joseph Simon), 1884-196
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