Flora of North America species comparison

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Ipomoea imperati

Ipomoea quamoclit

beach morning-glory

cypress vine, cypress-vine morning-glory
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 ± elliptic to oblong, 10–90 × 5–45 mm overall, pinnatisect, base ± truncate, lobes 19–41+, filiform to linear, 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 to coriaceous, apex mucronate, surfaces glabrous;

corolla usually red, sometimes white (in cultivars), salverform, 20–30 mm.
2n

= 30.

= 30.

Ipomoea imperati

Ipomoea quamoclit
Phenology Flowering year-round. Flowering Jun–Oct.
Habitat Beaches, dunes. Abandoned plantings, forest edges, thickets.
Elevation 0–10 m. (0–0 ft.) 0–1500 m. (0–4900 ft.)
Distribution
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]
from FNA
AL; AR; DC; FL; GA; IL; IN; KS; LA; MD; MO; MS; NC; NY; OK; PA; SC; TN; TX; VA; ON; Mexico; Central America; South America; West Indies; Eurasia; Africa
[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.)

Reports for Ipomoea quamoclit from Kansas, Oklahoma, Texas, and Virginia may be from horticultural plantings. A report from California is from a casual garden weed; it is not naturalized there.

(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. 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) Linnaeus: Sp. Pl. 1: 159. (1753)
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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