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beach morning-glory

Habit Perennials.

repent, rooting at nodes and underground.


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




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.


= 30.

Ipomoea imperati

Phenology Flowering year-round.
Habitat Beaches, dunes.
Elevation 0–10 m. (0–0 ft.)
from FNA
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]

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.)

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
Synonyms Convolvulus imperati
Name authority (Vahl) Grisebach: Cat. Pl. Cub., 203. (1866)
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