. The drug plants of Illinois . ARISTOLOGHIA SERPENTARIA L. Virginia snakeroot, serpentaria. Aristolochiaceae. U. S. P. XI, p. 331.— An upright herb 6 to 18 inches tall, per- ennial; roots fibrous, from a short, thin, bent, aromatic rhizome with the odor of turpentine; stems several, simple or branched only at the base, swollen at the nodes, often red-tinged below; leaves ovate or oblong, cordate or halberd-shaped at the base, pointed, entire, petioled, and alternate; flowers on basal scaly branches, S-shaped, contracted in the middle, dull brownish-purple; the fruit a 6-angled, 6- valved, man
. The drug plants of Illinois . ARISTOLOGHIA SERPENTARIA L. Virginia snakeroot, serpentaria. Aristolochiaceae. U. S. P. XI, p. 331.— An upright herb 6 to 18 inches tall, per- ennial; roots fibrous, from a short, thin, bent, aromatic rhizome with the odor of turpentine; stems several, simple or branched only at the base, swollen at the nodes, often red-tinged below; leaves ovate or oblong, cordate or halberd-shaped at the base, pointed, entire, petioled, and alternate; flowers on basal scaly branches, S-shaped, contracted in the middle, dull brownish-purple; the fruit a 6-angled, 6- valved, many-seeded pod. The roots and rhizome collected in the fall. Rare to frequent, sometimes com- mon, in moist woods throughout the state south of Peoria. Source of the drug serpentaria; contains a volatile oil containing borneol, the amor- phous bitter principle aristolochin, and the alkaloid aristolochinine. Used as an aro- matic, bitter stimulant; is often given with other drugs, such as cinchona, to increase their absorption and activity.
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