Ipomoea cairica |
Ipomoea microdactyla |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
calcareous morning-glory |
|
Habit | Perennials. | Perennials, root relatively large, tuberlike. |
Stems | usually twining, sometimes trailing. |
trailing, twining, sometimes ± fleshy. |
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 elliptic or lanceolate, 30–100 × 10–40 mm overall, base cordate to truncate, surfaces glabrous, or ± orbiculate, (3–)5–7-lobed, incised nearly to petiole tip, lobes narrowly elliptic, linear, or oblong, 20–40 × 3–10 mm. |
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 oblong, orbiculate, or ovate, 6–7 mm, coriaceous, margins sometimes scarious, apex obtuse, sometimes mucronulate; corolla red, salverform, (25–)40–50 mm, limb 25–30 mm diam., weakly 5-lobed or notably 5-lobed in age. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea microdactyla |
|
Phenology | Flowering Mar–Oct. | Flowering year-round. |
Habitat | Abandoned plantings, disturbed sites. | Coppices, oölitic sites, open fields, pinelands. |
Elevation | -20–200 m. (-100–700 ft.) | 0–20 m. (0–100 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
FL; West Indies (Bahamas, Cuba) |
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Convolvulus cairicus | Exogonium microdactylum |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Grisebach: Cat. Pl. Cub., 204. (1866) |
Web links |