Ipomoea imperati
Ipomoea cristulata
beach morning-glory
star-glory, trans-Pecos morning-glory
repent, rooting at nodes and underground.
twining.
blades lanceolate, linear, oblong, ovate, or 3–5-lobed, 15–80 × 12–60 mm, base cordate to truncate, surfaces glabrous.
blades usually (3–)5–7-lobed, middle lobe narrowly ± rhombic, sometimes proximal blades cordate to ovate, not lobed, 15–100 × 10–70 mm, base cordate to ± truncate, basal lobes rounded to pointed, margins ± dentate, surfaces glabrous or abaxial pilose.
glabrous.
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.
diurnal, sepals chartaceous to membranous, outers oblong, 3–3.5 mm, apex obtuse, rounded, or ± truncate, each with ± terminal corniform appendage 3–5 mm, glabrous, inners oblong, 4–5.7 mm, apex obtuse to truncate, each with ± terminal corniform appendage 2.5–3.5 mm;
corolla red or red-orange, salverform, 18–26 mm, limb 10–15 mm diam. 2n = 30.
= 30.
Ipomoea imperati
Ipomoea cristulata
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 of Ipomoea cristulata from Iowa and Kansas may be based on cultivated plants; the report for Minnesota probably resulted from typographic error: MN for NM; the report for South Carolina was based on a specimen of I. coccinea.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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