The drug plants of Illinois drugplantsofilli44teho Year: 1951 54 ILLINOIS NATURAL HISTORY SURVEY Circular 44 EUPATORIUM PURPUREUM L. Queen of the meadow, Joe-Pye weed, gravel root, purple boneset. Composi- tae.—An erect, coarse, unbranched, usually smooth herb 3 to 10 feet tall, perennial; stems stout, green or purple; leaves in whorls of 3 to 6, ovate, pointed, petioled, 4 to 12 inches long, serrate; flower heads purple, small, very numerous in a dense, large, stiffly branched, terminal inflores- cence. The root collected. Infrequent to com- mon in moist and dry woods and along streams t
The drug plants of Illinois drugplantsofilli44teho Year: 1951 54 ILLINOIS NATURAL HISTORY SURVEY Circular 44 EUPATORIUM PURPUREUM L. Queen of the meadow, Joe-Pye weed, gravel root, purple boneset. Composi- tae.—An erect, coarse, unbranched, usually smooth herb 3 to 10 feet tall, perennial; stems stout, green or purple; leaves in whorls of 3 to 6, ovate, pointed, petioled, 4 to 12 inches long, serrate; flower heads purple, small, very numerous in a dense, large, stiffly branched, terminal inflores- cence. The root collected. Infrequent to com- mon in moist and dry woods and along streams throughout the state; from early July to September. Contains the glucoside euparin. Used as a diuretic.
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