Ipomoea capillacea
Ipomoea lacunosa
purple morning-glory
pitted morningglory, small white morning glory, white morning-glory, whitestar
usually ascending to erect, sometimes trailing.
twining.
blades palmatisect, lobes 5–9, filiform to linear, (3–)5–15(–25) × 0.2–1 mm.
blades cordate-ovate, deltate-ovate, ovate, or 3(–5)-lobed, 30–80 × 20–70 mm, base ± cordate, basal lobes rounded or pointed, surfaces glabrous or sparsely hairy.
glabrous.
glabrous, sometimes muricate.
sepals elliptic, oblong, or ovate, 5–6 × 2–3 mm, chartaceous or coriaceous, abaxial surface muricate or smooth;
corolla lavender to red-purple, funnelform, 30–40 mm, limb 20–25 mm diam.
sepals elliptic-oblong, lanceolate, or lance-ovate, (8–)11–14 mm, chartaceous or coriaceous, margins ciliate, apex acuminate, surfaces glabrous;
corolla usually white, limb sometimes pink tinged, funnelform, 15–20(–25) mm.
10–13 mm diam. 2n = 30.
Ipomoea capillacea
Ipomoea lacunosa
The report of Ipomoea capillacea from Alabama (J. T. Kartesz and C. A. Meacham 1999) was probably based on a specimen of I. muricata.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Plants of Ipomoea lacunosa are sometimes confused with plants of I. × leucantha, which are derived from hybridization between I. lacunosa and I. cordatotriloba (D. F. Austin and W. E. Abel 1981). Seeds of Ipomoea lacunosa are 5–6 mm and seeds of I. × leucantha are 3.2–4 mm.
Reports of Ipomoea lacunosa for Ontario, California, and New York are apparently based on waifs.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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