Ipomoea cairica |
Ipomoea tenuissima |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
rockland morning-glory |
|
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 narrowly hastate or sagittate, sometimes ovate, 15–30 × 7–20 mm, base cordate, hastate, or sagittate, lobes usually pointed, sometimes rounded, surfaces usually ± hairy, adaxial sometimes glabrate. |
Peduncles | glabrous; pedicels straight, 10–25 mm. |
hairy, hairs appressed. |
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-oblong, lanceolate, or lance-ovate, 5–8 mm, chartaceous or coriaceous, margins ciliate, apex acuminate, mucronate; corolla lavender, pink, or pink-purple, throat darker inside, funnelform, 30–45 mm. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea tenuissima |
|
Phenology | Flowering Mar–Oct. | Flowering Aug–Sep. |
Habitat | Abandoned plantings, disturbed sites. | Pine flatwoods. |
Elevation | -20–200 m. (-100–700 ft.) | 0–30 m. (0–100 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
FL |
Discussion | After fires, Ipomoea tenuissima seeds germinate and seedlings thrive for about a year. The plants then disappear except in sites that remain open. (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) | Choisy in A. P. de Candolle and A. L. P. P. de Candolle: Prodr. 9: 376. (1845) |
Web links |