Flora of North America species comparison

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Ipomoea pes-caprae

Ipomoea macrorhiza

bayhops, beach morning glory, goat's foot

large-root morning glory
Habit Perennials, root relatively large, tuberlike.
Stems

trailing or twining.
Leaf

blades ovate, triangular-ovate, or 3-lobed, 50–150 × 50–150 mm, base cordate to sagittate or truncate, margins ± crenulate, surfaces: abaxial tomentulose, adaxial glabrous, minutely beaded along veinlets.
Peduncles

tomentulose.
Flowers

nocturnal;

sepals oblong-elliptic, 16–18 mm, coriaceous, sericeous;

corolla white, throat lavender to purple inside, salverform, 50–80 mm.

Ipomoea pes-caprae

Ipomoea macrorhiza
Phenology Flowering Jun–Jul.
Habitat Beaches, clearings, dunes.
Elevation 0–40 m. (0–100 ft.)
Distribution
from USDA
tropical regions; original distribution unknown; now world-wide in subtropical and tropical climates
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; FL; GA; MS; NC; SC
[BONAP county map]
Discussion

Subspecies 2 (1 in the flora).

Subspecies pes-caprae in known from coastal and island shores around and in the Indian Ocean.

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

Ipomoea macrorhiza has been confused with the Mexican and Central American I. jalapa (Linnaeus) Pursh; I. macrorhiza differs by having nocturnal, moth-pollinated flowers with white corollas versus matinal, bee-pollinated flowers with lavender corollas.

(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. imperati, I. indica, I. lacunosa, I. leptophylla, I. lindheimeri, I. longifolia, I. macrorhiza, I. microdactyla, I. muricata, I. nil, I. pandurata, 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. 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
Subordinate taxa
I. pes-caprae subsp. brasiliensis
Synonyms Convolvulus pes-caprae
Name authority (Linnaeus) R. Brown: Observ. Congo, 58. (1818) Michaux: Fl. Bor.-Amer. 1: 141. (1803)
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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