Ipomoea imperati |
Ipomoea ×leucantha |
|
---|---|---|
beach morning-glory |
whitestar morning-glory |
|
Habit | Perennials. | Annuals. |
Stems | repent, rooting at nodes and underground. |
usually twining, sometimes trailing. |
Leaf | blades lanceolate, linear, oblong, ovate, or 3–5-lobed, 15–80 × 12–60 mm, base cordate to truncate, surfaces glabrous. |
blades orbiculate, ovate, or 3–5-lobed, 20–80 × 20–70 mm, base cordate, surfaces glabrous or sparsely hairy. |
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. |
sepals lanceolate, (8–)10–14 mm, chartaceous or coriaceous, apex acuminate, surfaces glabrous; corolla lavender or white, throat usually darker, funnelform, 6–15(–20) mm, limb to 10+ mm diam. |
Fruits | 7–8 mm diam. |
|
2n | = 30. |
|
Ipomoea imperati |
Ipomoea ×leucantha |
|
Phenology | Flowering year-round. | Flowering Aug–Oct. |
Habitat | Beaches, dunes. | Disturbed sites. |
Elevation | 0–10 m. (0–0 ft.) | 0–700 m. (0–2300 ft.) |
Distribution |
AL; FL; GA; LA; MS; NC; SC; TX; HI; Mexico; Central America; South America; West Indies [Introduced in Europe, Asia, Africa, Australia]
|
AZ; FL; LA; MS; SC; TX; VA; Mexico; Central America; South America; West Indies |
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.) |
In the southeastern United States, Ipomoea ×leucantha results from crosses between I. cordatotriloba and I. lacunosa that may be effected by honeybees (Apis mellifera); elsewhere, I. × leucantha is presumably introduced. (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 | ||
Synonyms | Convolvulus imperati | |
Name authority | (Vahl) Grisebach: Cat. Pl. Cub., 203. (1866) | Jacquin: Icon. Pl. Rar. 2: 10, plate 318. (1788) — (as species) |
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