Ipomoea cairica |
Ipomoea alba |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
moon flower, tropical white morning-glory |
|
Habit | Perennials. | Perennials. |
Stems | usually twining, sometimes trailing. |
twining, usually prickly, sometimes rooting at nodes. |
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 broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cordate, surfaces usually glabrous, rarely hairy. |
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. |
nocturnal; sepals ovate, 7–15 mm, ± coriaceous, apex acute, outers each with midrib extending as ± corniform appendage; corolla white, throat green-banded inside, salverform, 70–150 mm. |
Fruits | 20–30 mm. |
|
2n | = 30. |
= 30. |
Ipomoea cairica |
Ipomoea alba |
|
Phenology | Flowering Mar–Oct. | Flowering Sep–May. |
Habitat | Abandoned plantings, disturbed sites. | Forest margins, swamps, moist sites. |
Elevation | -20–200 m. (-100–700 ft.) | 0–100 m. (0–300 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
FL; LA; SC; TX; Mexico; Central America; South America; West Indies [Introduced in North America; introduced also in Asia]
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Convolvulus cairicus | Calonyction aculeatum, Convolvulus aculeatus |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Linnaeus: Sp. Pl. 1: 161. (1753) |
Web links |