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SITE-SPECIFIC HEALTH AND SAFETY PLAN FOR WELL INSTALLATIONS Other Site Hazards May 4, 2017 The middle leaflet usually is lobed alike on both margins and resembles a small oak leaf, while the two lateral leaflets are often irregularly lobed. The range in size of leaves varies considerably, even on the same plant. Poison Sumac Mature plants range in height from 5 to 6 feet to small trees that may reach 25 feet. Poison sumac shrubs usually do not have a symmetrical treelike appearance. Usually, they lean and have branched stems with about the same diameter from ground level to middle height. Leaves of poison sumac consist of 7 to 13 leaflets arranged in pairs with a single leaflet at the end of the midrib. The leaflets are elongated oval without marginal teeth or serration. They are 3 to 4 inches long, 1 to 2 inches wide, and have a smooth, velvety texture. In early spring their color is bright orange. Later, they become dark green and glossy on the upper surface, and pale green on the lower, and have scarlet midribs (a very distinctive feature). In the early fall, leaves turn to a brilliant red-orange or russet shade. The small yellowish-green flowers are borne in clusters on slender stems arising from the axis of leaves along the smaller branches. Flowers mature into ivory-white or green- colored fruits resembling those of poison oak or poison ivy, but usually are less compact and hang in loose clusters that may be 10 to 12 inches in length. Stinging Nettle The stinging nettle grows to 1-2 meter tall in the summer and dying down to the ground in winter. It has very distinctively yellow, widely spreading roots. The soft green leaves are 3-15 cm long, with a strongly serrated margin, a cordate base and an acuminate tip. 32