5. Ipomoea coccinea Linnaeus, Sp. Pl. 1: 160. 1753.
[E W]
Red morning glory
Annuals. Stems twining. Leaf blades usually cordate, sometimes ovate, sagittate, or triangular, 20–140 mm, base ± cordate, lobes rounded or 1–2-pointed, surfaces glabrous or proximally pilose. Peduncles glabrous. Flowers diurnal; sepals chartaceous, outers oblong to elliptic, 3–3.5 mm, apex obtuse to truncate, each with ± terminal corniform appendage 2.5–6 mm, inners oblong, 4.5–5.7 mm, chartaceous, apex obtuse to truncate, each with ± terminal, corniform appendage 2–5.5 mm; corolla usually red or red and yellow, sometimes white (in cultivars), salverform, 20–25 mm. 2n = 28.
Flowering Jul–Dec. Abandoned plantings, disturbed sites; 0–300 m; Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Miss., Mo., N.J., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.
Ipomoea coccinea differs from I. hederifolia by reflexed pedicels (erect in I. hederifolia) and larger inner sepals (4.5–5.7 mm) than I. hederifolia (to 3–4 mm).
