FNA: Ipomoea imperati vs. Ipomoea capillacea

	Ipomoea imperati	Ipomoea capillacea
	beach morning-glory	purple morning-glory
Habit	Perennials.	Perennials.
Stems	repent, rooting at nodes and underground.	usually ascending to erect, sometimes trailing.
Leaf	blades lanceolate, linear, oblong, ovate, or 3–5-lobed, 15–80 × 12–60 mm, base cordate to truncate, surfaces glabrous.	blades palmatisect, lobes 5–9, filiform to linear, (3–)5–15(–25) × 0.2–1 mm.
Peduncles	glabrous.	glabrous.
Flowers	sepals lance-oblong, 10–15 mm, outers shorter than inners, ± coriaceous, apex acute to obtuse, abaxial surface glabrous; corolla white, throat usually yellow, sometimes purplish inside, funnelform, 25–50 mm.	sepals elliptic, oblong, or ovate, 5–6 × 2–3 mm, chartaceous or coriaceous, abaxial surface muricate or smooth; corolla lavender to red-purple, funnelform, 30–40 mm, limb 20–25 mm diam.
2n	= 30.

	Ipomoea imperati	Ipomoea capillacea
Phenology	Flowering year-round.	Flowering Jul–Sep.
Habitat	Beaches, dunes.	Oak woodlands, plains, ponderosa pine zones.
Elevation	0–10 m. (0–0 ft.)	1500–2500 m. (4900–8200 ft.)
Distribution	AL; FL; GA; LA; MS; NC; SC; TX; HI; Mexico; Central America; South America; West Indies [Introduced in Europe, Asia, Africa, Australia] [WildflowerSearch map] [BONAP county map]	AZ; NM; TX; Mexico; Central America; South America [WildflowerSearch map] [BONAP county map]
Discussion	Ipomoea imperati was collected once in Pennsylvania (on ballast in 1865). The names I. littoralis (Linnaeus) Boissier 1875, not Blume 1826, and I. stolonifera (Cirillo) J. F. Gmelin are illegitimate; both have been misapplied to plants of I. imperati. (Discussion copyrighted by Flora of North America; reprinted with permission.)	The report of Ipomoea capillacea from Alabama (J. T. Kartesz and C. A. Meacham 1999) was probably based on a specimen of I. muricata. (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. cairica, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, 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. 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
Synonyms	Convolvulus imperati	Convolvulus capillaceus, 3(qto.): 97.
Name authority	(Vahl) Grisebach: Cat. Pl. Cub., 203. (1866)	(Kunth) G. Don: Gen. Hist. 4: 267. (1837)
Web links	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	WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Ipomoea capillacea

beach morning-glory

purple morning-glory

Habit

Perennials.

Stems

repent, rooting at nodes and underground.

usually ascending to erect, sometimes trailing.

Leaf

blades lanceolate, linear, oblong, ovate, or 3–5-lobed, 15–80 × 12–60 mm, base cordate to truncate, surfaces glabrous.

blades palmatisect, lobes 5–9, filiform to linear, (3–)5–15(–25) × 0.2–1 mm.

Peduncles

glabrous.

Flowers

sepals lance-oblong, 10–15 mm, outers shorter than inners, ± coriaceous, apex acute to obtuse, abaxial surface glabrous;

corolla white, throat usually yellow, sometimes purplish inside, funnelform, 25–50 mm.

sepals elliptic, oblong, or ovate, 5–6 × 2–3 mm, chartaceous or coriaceous, abaxial surface muricate or smooth;

corolla lavender to red-purple, funnelform, 30–40 mm, limb 20–25 mm diam.

= 30.

Ipomoea capillacea

Phenology

Flowering year-round.

Flowering Jul–Sep.

Habitat

Beaches, dunes.

Oak woodlands, plains, ponderosa pine zones.

Elevation

0–10 m. (0–0 ft.)

1500–2500 m. (4900–8200 ft.)

Distribution

AL; FL; GA; LA; MS; NC; SC; TX; HI; Mexico; Central America; South America; West Indies [Introduced in Europe, Asia, Africa, Australia]

[WildflowerSearch map]

[BONAP county map]

AZ; NM; TX; Mexico; Central America; South America

[WildflowerSearch map]

[BONAP county map]

Discussion

Ipomoea imperati was collected once in Pennsylvania (on ballast in 1865). The names I. littoralis (Linnaeus) Boissier 1875, not Blume 1826, and I. stolonifera (Cirillo) J. F. Gmelin are illegitimate; both have been misapplied to plants of I. imperati.

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

The report of Ipomoea capillacea from Alabama (J. T. Kartesz and C. A. Meacham 1999) was probably based on a specimen of I. muricata.

(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. cairica, I. capillacea, I. cardiophylla, I. carnea, I. coccinea, I. cordatotriloba, I. costellata, I. cristulata, I. dumetorum, I. hederacea, I. hederifolia, 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. 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

Synonyms

Convolvulus imperati

Convolvulus capillaceus, 3(qto.): 97.

Name authority

(Vahl) Grisebach: Cat. Pl. Cub., 203. (1866)

(Kunth) G. Don: Gen. Hist. 4: 267. (1837)

Web links

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).

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Flora of North America species comparison

Ipomoea imperati

Ipomoea capillacea

Ipomoea imperati

Ipomoea capillacea