Echinocystis lobata (Michx.) Torr. & A.Gray
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - High-climbing annual; lvs long-petioled, orbicular in outline, with (3–)5(–7) sharp, triangular lobes; staminate fls in long erect racemes, the cor 8–10 mm wide, with lanceolate lobes, the pistillate few or solitary, short- peduncled from the same axils; fr ovoid, 3–5 cm, green, weakly prickly; 2n=32. Moist ground and thickets, throughout our range and s. to Fla. and Tex.; often cult. July–Sept. (Micrampelis l.)
balsam-apple, wild cucumber