FNA: Ipomoea capillacea vs. Ipomoea amnicola

	Ipomoea capillacea	Ipomoea amnicola
	purple morning-glory	red-center morning glory
Habit	Perennials.	Perennials.
Stems	usually ascending to erect, sometimes trailing.	usually twining, sometimes decumbent.
Leaf	blades palmatisect, lobes 5–9, filiform to linear, (3–)5–15(–25) × 0.2–1 mm.	blades cordate-ovate, reniform, or 3-lobed, 20–125 × 20–125 mm, base cordate, surfaces glabrous.
Peduncles	glabrous.	glabrous, sometimes warty.
Flowers	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.	sepals: outers usually ± orbiculate, sometimes oblong or elliptic, rarely ovate, 4–5 mm, inners obovate to ± orbiculate, 4–5.5 mm, chartaceous or membranous, margins scarious, apex usually emarginate, mucronulate, or obtuse, sometimes truncate; corolla white with red (rose) lines or wholly lilac, throat darker, funnelform, 18–30 mm.

	Ipomoea capillacea	Ipomoea amnicola
Phenology	Flowering Jul–Sep.	Flowering Apr–Jul(–Dec).
Habitat	Oak woodlands, plains, ponderosa pine zones.	Disturbed sites.
Elevation	1500–2500 m. (4900–8200 ft.)	0–200 m. (0–700 ft.)
Distribution	AZ; NM; TX; Mexico; Central America; South America [WildflowerSearch map] [BONAP county map]	TX; Mexico; South America (Argentina, Paraguay) [Introduced in North America] [BONAP county map]
Discussion	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.)	In the flora area, Ipomoea amnicola has been reported also from a Missouri collection made in 1921. (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. 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. 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. wrightii, I. ×leucantha
Synonyms	Convolvulus capillaceus, 3(qto.): 97.
Name authority	(Kunth) G. Don: Gen. Hist. 4: 267. (1837)	Morong: Ann. New York Acad. Sci. 7: 170. (1893)
Web links	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 amnicola

purple morning-glory

red-center morning glory

Habit

Perennials.

Stems

usually ascending to erect, sometimes trailing.

usually twining, sometimes decumbent.

Leaf

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

blades cordate-ovate, reniform, or 3-lobed, 20–125 × 20–125 mm, base cordate, surfaces glabrous.

Peduncles

glabrous.

glabrous, sometimes warty.

Flowers

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.

sepals: outers usually ± orbiculate, sometimes oblong or elliptic, rarely ovate, 4–5 mm, inners obovate to ± orbiculate, 4–5.5 mm, chartaceous or membranous, margins scarious, apex usually emarginate, mucronulate, or obtuse, sometimes truncate;

corolla white with red (rose) lines or wholly lilac, throat darker, funnelform, 18–30 mm.

Ipomoea capillacea

Ipomoea amnicola

Phenology

Flowering Jul–Sep.

Flowering Apr–Jul(–Dec).

Habitat

Oak woodlands, plains, ponderosa pine zones.

Disturbed sites.

Elevation

1500–2500 m. (4900–8200 ft.)

0–200 m. (0–700 ft.)

Distribution

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

[WildflowerSearch map]

[BONAP county map]

TX; Mexico; South America (Argentina, Paraguay) [Introduced in North America]

[BONAP county map]

Discussion

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.)

In the flora area, Ipomoea amnicola has been reported also from a Missouri collection made in 1921.

(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. 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. 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. wrightii, I. ×leucantha

Synonyms

Convolvulus capillaceus, 3(qto.): 97.

Name authority

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

Morong: Ann. New York Acad. Sci. 7: 170. (1893)

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).

Choose a data source: Flora of North America

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Flora of North America species comparison

Ipomoea capillacea

Ipomoea amnicola

Ipomoea capillacea

Ipomoea amnicola