Ipomoea cairica |
Ipomoea costellata |
|
---|---|---|
cairo morning glory, mile-a-minute vine |
crest-rib morning glory |
|
Habit | Perennials. | Annuals. |
Stems | usually twining, sometimes trailing. |
usually trailing, or twining only near tips, rarely erect. |
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 palmatisect, lobes 5–9, lance-linear, linear, oblanceolate, or spatulate, 7–28 × 0.5–3(–8) mm, surfaces glabrous or sparsely hispidulous. |
Peduncles | glabrous; pedicels straight, 10–25 mm. |
usually glabrous, rarely sparsely hispidulous. |
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 to lanceolate, outers 3–5 × 1–2 mm, inners 4–6 × 2–3 mm, herbaceous, apex acute, abaxial surface usually ± carinate and glabrous, sometimes hispidulous on midrib; corolla pale lavender to pink, funnelform, 10–12 mm. |
2n | = 30. |
|
Ipomoea cairica |
Ipomoea costellata |
|
Phenology | Flowering Mar–Oct. | Flowering Jul–Nov. |
Habitat | Abandoned plantings, disturbed sites. | Chaparral, oak woodlands, ponderosa pine zone, rocky sites. |
Elevation | -20–200 m. (-100–700 ft.) | 100–2200 m. (300–7200 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
|
AZ; NM; TX; Mexico [Introduced in South America]
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Convolvulus cairicus | I. costellata var. edwardsensis |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | Torrey in W. H. Emory: Rep. U.S. Mex. Bound. 2(1): 149. (1859) |
Web links |