FNA: Ipomoea imperati vs. Ipomoea sloteri

	Ipomoea imperati	Ipomoea sloteri
	beach morning-glory	cardinal climber
Habit	Perennials.	Annuals.
Stems	repent, rooting at nodes and underground.	twining.
Leaf	blades lanceolate, linear, oblong, ovate, or 3–5-lobed, 15–80 × 12–60 mm, base cordate to truncate, surfaces glabrous.	blades deltate-ovate to oblong-ovate, 10–90 × 5–45 mm overall, palmati-pinnate, base cordate to ± truncate, lobes 7–11+, lanceolate, lance-linear, or linear, proximal ones sometimes again lobed, terminal lobe broadest, surfaces glabrous.
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.	diurnal; sepals elliptic to oblong, 4–8 mm, ± chartaceous, apex obtuse, mucronate, surfaces glabrous; corolla red, salverform, 40–50 mm.
2n	= 30.	= 58.

	Ipomoea imperati	Ipomoea sloteri
Phenology	Flowering year-round.	Flowering Jun–Oct.
Habitat	Beaches, dunes.	Abandoned plantings, disturbed sites.
Elevation	0–10 m. (0–0 ft.)	0–300 m. (0–1000 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]	FL; MI; NY; TX
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.)	According to J. E. Eckenwalder (1986), the name Ipomoea × multifida Rafinesque (as species) refers to diploid hybrid plants resulting from crosses between I. coccinea and I. quamoclit; I. sloteri refers to allotetraploid plants derived from diploid hybrids between I. coccinea and I. quamoclit. (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. 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. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha
Synonyms	Convolvulus imperati
Name authority	(Vahl) Grisebach: Cat. Pl. Cub., 203. (1866)	Macfarlane ex E. T. Reichert: Publ. Carnegie Inst. Wash. 270(2): 785. (1919)
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	Local Web sites: MI Flora WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Ipomoea sloteri

beach morning-glory

cardinal climber

Habit

Perennials.

Annuals.

Stems

repent, rooting at nodes and underground.

twining.

Leaf

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

blades deltate-ovate to oblong-ovate, 10–90 × 5–45 mm overall, palmati-pinnate, base cordate to ± truncate, lobes 7–11+, lanceolate, lance-linear, or linear, proximal ones sometimes again lobed, terminal lobe broadest, surfaces glabrous.

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.

diurnal;

sepals elliptic to oblong, 4–8 mm, ± chartaceous, apex obtuse, mucronate, surfaces glabrous;

corolla red, salverform, 40–50 mm.

= 30.

= 58.

Ipomoea imperati

Ipomoea sloteri

Phenology

Flowering year-round.

Flowering Jun–Oct.

Habitat

Beaches, dunes.

Abandoned plantings, disturbed sites.

Elevation

0–10 m. (0–0 ft.)

0–300 m. (0–1000 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]

FL; MI; NY; TX

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.)

According to J. E. Eckenwalder (1986), the name Ipomoea × multifida Rafinesque (as species) refers to diploid hybrid plants resulting from crosses between I. coccinea and I. quamoclit; I. sloteri refers to allotetraploid plants derived from diploid hybrids between I. coccinea and I. quamoclit.

(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. 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. tenuiloba, I. tenuissima, I. ternifolia, I. thurberi, I. tricolor, I. triloba, I. violacea, I. wrightii, I. ×leucantha

Synonyms

Convolvulus imperati

Name authority

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

Macfarlane ex E. T. Reichert: Publ. Carnegie Inst. Wash. 270(2): 785. (1919)

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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Ipomoea imperati

Ipomoea sloteri

Ipomoea imperati

Ipomoea sloteri