Ipomoea purpurea |
Ipomoea cairica |
|
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common morning-glory, tall morning-glory |
cairo morning glory, mile-a-minute vine |
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Habit | Annuals. | Perennials. |
Stems | twining. |
usually twining, sometimes trailing. |
Leaf | blades cordate, ovate, or 3(–5)-lobed, not palmatisect, 10–110(–180) × 10–120(–160) mm, base cordate, surfaces ± hairy, hairs ± antrorse. |
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. |
Peduncles | hairy, hairs retrorse. |
glabrous; pedicels straight, 10–25 mm. |
Flowers | 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. |
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. |
2n | = 30. |
|
Ipomoea purpurea |
Ipomoea cairica |
|
Phenology | Flowering Jul–Nov. | Flowering Mar–Oct. |
Habitat | Abandoned plantings, canyons, disturbed sites, fields, stream banks. | Abandoned plantings, disturbed sites. |
Elevation | 100–2300 m. (300–7500 ft.) | -20–200 m. (-100–700 ft.) |
Distribution |
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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AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]
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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 purpureus, I. purpurea var. diversifolia, Pharbitis purpurea | Convolvulus cairicus |
Name authority | (Linnaeus) Roth: Bot. Abh. Beobacht., 27. (1787) | (Linnaeus) Sweet: Hort. Brit., 287. (1826) |
Web links |
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