The drug plants of Illinois drugplantsofilli44teho Year: 1951 22 ILLINOIS NATURAL HISTORY SURVEY Circular 44 APOGYNUM GANNABINUM L. Black Indian hemp, Amy root, rheuma- tism root, Indian physic, Choctaw root. Apocynaceae.—An erect, mostly gla- brous, glaucous herb 2 to 10 feet tall, per- ennial; sap milky; root and rootstalk verti- cal, deep, soon branching; stem extensive- ly branched, woody at the base; bark tough, fibrous; branches erect, exceeding the main stem; leaves opposite, oblong to oblong lanceolate, nearly sessile, entire, mucronate-tlpped, pale green, at most sparingly pubesc
The drug plants of Illinois drugplantsofilli44teho Year: 1951 22 ILLINOIS NATURAL HISTORY SURVEY Circular 44 APOGYNUM GANNABINUM L. Black Indian hemp, Amy root, rheuma- tism root, Indian physic, Choctaw root. Apocynaceae.—An erect, mostly gla- brous, glaucous herb 2 to 10 feet tall, per- ennial; sap milky; root and rootstalk verti- cal, deep, soon branching; stem extensive- ly branched, woody at the base; bark tough, fibrous; branches erect, exceeding the main stem; leaves opposite, oblong to oblong lanceolate, nearly sessile, entire, mucronate-tlpped, pale green, at most sparingly pubescent beneath; the flowers greenish-white, in dense terminal clusters; the 5 petal tips erect; calyx as long as the corolla tube; fruit a long, slender pod (usually in pairs) containing numerous brown, slender, silk-tipped seeds. Roots and rootstocks collected in late fall; the top, woody part of the rootstock, which is valueless, should be removed. State-wide in distribution; of very common occurrence along streams on moist, gravel- ly, or sandy flats. Contents and uses the same as those of the preceding species.
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