Ipomoea cairica |
Ipomoea coccinea |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
Mexican morningglory, red morning-glory, redstar, scarlet morningglory, starglory, woolly tidestromia |
|
Habit | Perennials. | Annuals. |
Stems | usually twining, sometimes trailing. |
twining. |
Leaf | blades orbiculate to ovate, 30–100 × 30–100 mm overall, palmatisect, lobes 5 (proximal 2 sometimes 2-lobed), lance-elliptic, lanceolate, or lance-ovate, (5–)10–25(–70) × (3–)8–15(–30) mm, apex acute to obtuse, surfaces glabrous. |
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; pedicels straight, 10–25 mm. |
glabrous. |
Flowers | sepals oblong to ovate, 4–6.5(–9) mm, outers slightly shorter than inners, chartaceous, margins scarious, apex obtuse to acute; corolla lavender-blue or white, throat purplish-red, funnelform, 45–60 mm. |
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 | = 30. |
= 28. |
Ipomoea cairica |
Ipomoea coccinea |
|
Phenology | Flowering Mar–Oct. | Flowering Jul–Dec. |
Habitat | Abandoned plantings, disturbed sites. | Abandoned plantings, disturbed sites. |
Elevation | -20–200 m. (-100–700 ft.) | 0–300 m. (0–1000 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
AL; AR; DC; DE; FL; GA; IL; IN; KS; KY; LA; MD; MO; MS; NC; NJ; OH; OK; PA; SC; TN; TX; VA; WV
|
Discussion | 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). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Convolvulus cairicus | |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Linnaeus: Sp. Pl. 1: 160. (1753) |
Web links |