Red-center morning glory

Perennials. Stems usually twin­ing, sometimes decumbent. Leaf blades cordate-ovate, reni­form, or 3-lobed, 20–125 × 20–125 mm, base cordate, surfaces glabrous. Peduncles glabrous, sometimes warty. Flowers: sepals: outers usually ± orbic­ulate, sometimes oblong or elliptic, rarely ovate, 4–5 mm, inners obovate to ± orbiculate, 4–5.5 mm, chartaceous or membranous, margins scarious, apex usually emarginate, mucronulate, or obtuse, sometimes truncate; corolla white with red (rose) lines or wholly lilac, throat darker, funnelform, 18–30 mm.

Flowering Apr–Jul(–Dec). Disturbed sites; 0–200 m; introduced; Tex.; Mexico; South America (Argentina, Paraguay).

In the flora area, Ipomoea amnicola has been reported also from a Missouri collection made in 1921.