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With the common name Hemp dogbane, this stout plant is more or less stiffly erect and branched near the top. The leaves are petioled with blades five to eight centimeters, with a base tapered to cordate, sometimes clasping stem; leaf tips are obtuse to acute. Flower corollae are 2.5 to 5.0 millimeters in extent, and cylindric to urn-shaped in shape. Fruits are six to nine cm in characteristic size.