The drug plants of Illinois drugplantsofilli44teho Year: 1951 96 ILLINOIS NATURAL HISTORY SURVEY Circular 44 RHUS GLABRA L. Smooth sumac, scarlet sumac, vinegar tree. Anacar- diaceae.—An upright, upwardly spread- ing, smooth shrub up to 12 feet tall; bark of the stems brownish gray, smooth; branches coarse, spreading, armlike, with large pith; leaves bright green above, white beneath, pinnately compound, 1 to 3 feet long, leaflets 11 to 31 in number, lanceo- late, pointed, sharply serrate, 2 to 4 inches long; flowers greenish-yellow, small, in large, dense, terminal clusters; fruit a roun
The drug plants of Illinois drugplantsofilli44teho Year: 1951 96 ILLINOIS NATURAL HISTORY SURVEY Circular 44 RHUS GLABRA L. Smooth sumac, scarlet sumac, vinegar tree. Anacar- diaceae.—An upright, upwardly spread- ing, smooth shrub up to 12 feet tall; bark of the stems brownish gray, smooth; branches coarse, spreading, armlike, with large pith; leaves bright green above, white beneath, pinnately compound, 1 to 3 feet long, leaflets 11 to 31 in number, lanceo- late, pointed, sharply serrate, 2 to 4 inches long; flowers greenish-yellow, small, in large, dense, terminal clusters; fruit a round, bright red or green, hairy drupe in dense, large, terminal, club-shaped clusters. The leaves, fruit, and bark of the stem and root collected. Frequent to common or locally abundant throughout the state as a weed along fences, in abandoned fields, and at the edges of woods. The berries contain acid malates equiv- alent to 6 to 8 per cent of malic acid; the leaves and bark contain tannin and gallic acid. Used as an astringent, refrigerant, and gargle. {Rhus typhina L., staghorn sumac, and Rhus copallina L., dwarf sumac, are collected, the former for fruit, the latter for bark.]
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