Ipomoea cairica |
Ipomoea pubescens |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
silky morning-glory |
|
Habit | Perennials. | Perennials, root oblong, relatively large. |
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 cordate, ovate, or 3–5-lobed, 20–80 × 20–90 mm, base cordate, lobes elliptic to ovate, surfaces ± hirsute or coarsely sericeous. |
Peduncles | glabrous; pedicels straight, 10–25 mm. |
hairy, hairs retrorse or spreading. |
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. |
sepals lance-ovate to ovate, 9–21 × 2–11 mm, herbaceous, abaxial surface ± hispid or coarsely sericeous; corolla blue to violet, funnelform, 55–80 mm, limb 60–70 mm diam. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea pubescens |
|
Phenology | Flowering Mar–Oct. | Flowering Aug–Sep. |
Habitat | Abandoned plantings, disturbed sites. | Rocky sites, stream beds, oak woodlands. |
Elevation | -20–200 m. (-100–700 ft.) | 100–1600 m. (300–5200 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
AZ; NM; TX; Mexico; South America
|
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) | Lamarck in J. Lamarck and J. Poiret: Tabl. Encycl. 1: 465. (1793) — (as Ipomaea) |
Web links |