Concombre grimpant Concombre grimpant

Sicyos lobatus Michaux, Fl. Bor.-Amer. 2: 217. 1803 (as lobata); Micrampelis lobata (Michaux) Greene

Leaves: petiole 1–4 cm; blade 2–8(–12) cm, lobe apex acute, sinuses rounded, surfaces glabrous or slightly scabrous, hair bases pustulate. Inflorescences: staminate racemes 8–14 cm; pistillate peduncles 2–5 cm. Flowers lightly fragrant; corolla 8–12(–16) mm diam. Pepos 3–5 cm, spinules 4–6 mm, glabrous or slightly scabrous. Seeds 12–20 mm. 2n = 32.

Flowering May–Sep(–Oct). Bottomland forests and thickets, riparian woods, marshes and marsh edges, thickets in pastures, fencerows, ditches, lake shores, railroad banks, dunes; 0–2000 m; Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask.; Ariz., Colo., Conn., Del., D.C., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.Dak., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.

Echinocystis lobata is sometimes cultivated in arbors for its showy white flowers (staminate) in long inflorescences. Its occurrence in the western United States is sporadic.