Ampelamus albidus (Nutt.) Britton
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Apocynaceae
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Scientific Name
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Description
Species Description - Subglabrous, climbing to 10 m; lvs long-petioled, acute or acuminate, deeply cordate-ovate, the rounded basal lobes separated by a broad sinus; infl umbelliform or shortly racemiform; cor 5–6 mm; its lobes creamy or greenish-white, the corona bright white; fr slender, lanceolate, smooth, 10–15 cm, low moist woods or fields, often weedy; Pa. to Ind., Mo., and e. Neb., s. to Ga. and Tex. July, Aug. (Cynanchum laeve; Gonolobus l.)