FNA: Ipomoea cairica vs. Ipomoea wrightii

	Ipomoea cairica	Ipomoea wrightii
	cairo morning glory, mile-a-minute vine	palmleaf morningglory, Wright's morning-glory
Habit	Perennials.	Annuals.
Stems	usually twining, sometimes trailing.	usually twining, sometimes trailing.
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 ± pentagonal, 30–80 × 20–80 mm overall, palmatisect, lobes 5, lance-linear to lanceolate, (21–)35–50(–80) × (5–)10–15(–20) mm, apex acute, surfaces glabrous.
Peduncles	glabrous; pedicels straight, 10–25 mm.	usually spiraled, 50–100 mm, glabrous.
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 ovate, 5–7 mm, chartaceous or coriaceous, apex obtuse to rounded, abaxial surface glabrous; corolla red, rosy, throat red-violet, funnelform, 18–30 mm.
2n	= 30.

	Ipomoea cairica	Ipomoea wrightii
Phenology	Flowering Mar–Oct.	Flowering Jul–Oct.
Habitat	Abandoned plantings, disturbed sites.	Disturbed sites, fields, marshy sites.
Elevation	-20–200 m. (-100–700 ft.)	0–600 m. (0–2000 ft.)
Distribution	AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America] [WildflowerSearch map] [BONAP county map]	AL; AR; FL; GA; LA; MS; OK; TN; TX; Asia [Introduced in North America; introduced also in Mexico, West Indies, Central America, South America (Argentina, Brazil, Ecuador, Paraguay, Peru), Africa, Australia] [WildflowerSearch map] [BONAP county map]
Discussion		Ipomoea wrightii may be spread as a contaminant in seeds. The names Ipomoea heptaphylla (Roxburg) Voigt and I. pulchella Roth have been misapplied to plants of I. wrightii. (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	I. alba, I. amnicola, I. aquatica, I. asarifolia, I. barbatisepala, I. batatas, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, I. pes-caprae, I. plummerae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha	I. alba, I. amnicola, I. aquatica, I. asarifolia, I. barbatisepala, I. batatas, I. cairica, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, I. pes-caprae, I. plummerae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. ×leucantha
Synonyms	Convolvulus cairicus
Name authority	(Linnaeus) Sweet: Hort. Brit., 287. (1826)	A. Gray in A. Gray et al.: Syn. Fl. N. Amer. 2(1): 213. (1878)
Web links	Local floras: CA Local Web sites: CalFlora, CalPhotos, LA Plants WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local Web sites: LA Plants WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Ipomoea wrightii

cairo morning glory, mile-a-minute vine

palmleaf morningglory, Wright's morning-glory

Habit

Perennials.

Annuals.

Stems

usually twining, sometimes trailing.

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 ± pentagonal, 30–80 × 20–80 mm overall, palmatisect, lobes 5, lance-linear to lanceolate, (21–)35–50(–80) × (5–)10–15(–20) mm, apex acute, surfaces glabrous.

Peduncles

glabrous;

pedicels straight, 10–25 mm.

usually spiraled, 50–100 mm, glabrous.

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 ovate, 5–7 mm, chartaceous or coriaceous, apex obtuse to rounded, abaxial surface glabrous;

corolla red, rosy, throat red-violet, funnelform, 18–30 mm.

= 30.

Ipomoea cairica

Ipomoea wrightii

Phenology

Flowering Mar–Oct.

Flowering Jul–Oct.

Habitat

Abandoned plantings, disturbed sites.

Disturbed sites, fields, marshy sites.

Elevation

-20–200 m. (-100–700 ft.)

0–600 m. (0–2000 ft.)

Distribution

AL; CA; FL; LA; Africa [Introduced in North America; introduced also in Mexico (Oaxaca), West Indies, South America]

[WildflowerSearch map]

[BONAP county map]

AL; AR; FL; GA; LA; MS; OK; TN; TX; Asia [Introduced in North America; introduced also in Mexico, West Indies, Central America, South America (Argentina, Brazil, Ecuador, Paraguay, Peru), Africa, Australia]

[WildflowerSearch map]

[BONAP county map]

Discussion

Ipomoea wrightii may be spread as a contaminant in seeds.

The names Ipomoea heptaphylla (Roxburg) Voigt and I. pulchella Roth have been misapplied to plants of I. wrightii.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source

FNA vol. 14.

Parent taxa

Convolvulaceae > Ipomoea

Sibling taxa

I. alba, I. amnicola, I. aquatica, I. asarifolia, I. barbatisepala, I. batatas, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, I. pes-caprae, I. plummerae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha

I. alba, I. amnicola, I. aquatica, I. asarifolia, I. barbatisepala, I. batatas, I. cairica, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, I. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, I. pes-caprae, I. plummerae, I. pubescens, I. purpurea, I. quamoclit, I. rupicola, I. sagittata, I. setosa, I. shumardiana, I. sloteri, I. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. ×leucantha

Synonyms

Convolvulus cairicus

Name authority

(Linnaeus) Sweet: Hort. Brit., 287. (1826)

A. Gray in A. Gray et al.: Syn. Fl. N. Amer. 2(1): 213. (1878)

Web links

Local floras: CA
Local Web sites: CalFlora, CalPhotos, LA Plants
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
LBJ Wildflower Center
SEINet
Plants of the World Online
Encyclopedia of Life
Wikipedia
Google Image Search

Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).

Choose a data source: Flora of North America

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Flora of North America species comparison

Ipomoea cairica

Ipomoea wrightii

Ipomoea cairica

Ipomoea wrightii