The drug plants of Illinois The drug plants of Illinois . drugplantsofilli44teho Year: 1951 URTIGA DIOIGA L. Nettle, sting- ing nettle, great nettle. Urticaceae.— An erect, little-branched herb 2 to 4 feet tall, abundantly armed w^th stinging hairs, perennial; stem stout; leaves ovate, acute, cordate, coarsely serrate, petioled, oppo- site, 3- to 5-nerved; flowers greenish, very small, numerous in large, compound, axil- lary cymes. The leaves, tops, and seed collected. In- troduced and very rare, if it occurs at all, in the state. Contains formic acid, an enzyme, a glu- coside, and tannin. A
The drug plants of Illinois The drug plants of Illinois . drugplantsofilli44teho Year: 1951 URTIGA DIOIGA L. Nettle, sting- ing nettle, great nettle. Urticaceae.— An erect, little-branched herb 2 to 4 feet tall, abundantly armed w^th stinging hairs, perennial; stem stout; leaves ovate, acute, cordate, coarsely serrate, petioled, oppo- site, 3- to 5-nerved; flowers greenish, very small, numerous in large, compound, axil- lary cymes. The leaves, tops, and seed collected. In- troduced and very rare, if it occurs at all, in the state. Contains formic acid, an enzyme, a glu- coside, and tannin. A powerful diuretic; used as a counterirritant, an antihemorrhagic, and in catharrhal affections. URTIGA GRAGILIS Ait. Nettle, slender nettle, tall nettle. Urticaceae.— An erect, little-branched, stinging herb 2 to 7 feet high, perennial; stems slender, sparingly set with stinging hairs; leaves lanceolate, long-pointed, sharply serrate, 3 to 6 inches long, 3- to 5-nerved, petioled, opposite; flowers green, very small, crowd- ed on branched, axillary stalks as long as the petioles. Infrequent to rare on alluvial land along the large streams of the state. Collected and used as the species above.
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