Annual; stems slender, glabrous, twining, 1-5 m; lvs broadly ovate in outline, 4-8 cm, pinnately divided to the midvein into numerous narrowly linear lobes; petioles 1-3 cm; peduncles elongate, much longer than the subtending petioles, with 1-few fls at the top; sep obtuse or rounded, mucronate; cor ±salverform, scarlet, rarely varying to white, 2.5-3.5 cm; anthers and style exsert; fr 4-locellar; 2n=30. Native of trop. Amer., occasionally escaped into fields and waste places, especially in the s. part of our range. Summer and fall. (Quamoclit q.; Q. vulgaris)
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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