Ipomoea cairica |
Ipomoea purpurea |
|
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cairo morning glory, mile-a-minute vine |
common morning-glory, tall morning-glory |
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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 cordate, ovate, or 3(–5)-lobed, not palmatisect, 10–110(–180) × 10–120(–160) mm, base cordate, surfaces ± hairy, hairs ± antrorse. |
Peduncles | glabrous; pedicels straight, 10–25 mm. |
hairy, hairs retrorse. |
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 elliptic, lance-oblong, or oblong, 8–15 × (1.5–)2.5–4.5 mm, herbaceous, base ± hairy, hairs dark at base, narrowed distal portion shorter to slightly longer than dilated base, apex acute to abruptly acuminate; corolla blue (purple, red, or white in cultivars), tube white inside, funnelform, (25–)40–60 mm, limb 24–48(–70) mm diam. 2n = 30. |
2n | = 30. |
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Ipomoea cairica |
Ipomoea purpurea |
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Phenology | Flowering Mar–Oct. | Flowering Jul–Nov. |
Habitat | Abandoned plantings, disturbed sites. | Abandoned plantings, canyons, disturbed sites, fields, stream banks. |
Elevation | -20–200 m. (-100–700 ft.) | 100–2300 m. (300–7500 ft.) |
Distribution |
AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
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AL; AR; AZ; CA; CO; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WV; ON; QC; Mexico [Introduced in North America; introduced also in West Indies, Central America, South America, Eurasia, Africa, Australia]
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Discussion | In the flora area, Ipomoea purpurea may be native in southeastern United States and introduced elsewhere. Populations in California, Oregon, and Washington may not be truly naturalized. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | Convolvulus cairicus | Convolvulus purpureus, I. purpurea var. diversifolia, Pharbitis purpurea |
Name authority | (Linnaeus) Sweet: Hort. Brit., 287. (1826) | (Linnaeus) Roth: Bot. Abh. Beobacht., 27. (1787) |
Web links |
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