Calystegia catesbeiana
Calystegia pubescens
Catesby's false bindweed
hairy false bindweed
pubescent to tomentose, hairs usually whitish.
sparsely hairy or glabrous.
usually twining-climbing, sometimes proximally erect, distally twining-climbing, to 40–200(–300) cm.
trailing to twining-climbing, to 100 cm.
blade elliptic-ovate, to 120 × 50 mm, base lobed, lobes obtuse or rounded, to 20 mm.
blade oblong-hastate to narrowly triangular, to 60+ mm, margins ± parallel at mid blade, base lobed, lobes abruptly spreading, ± triangular, apex acute to obtuse.
immediately subtending sepals, lanceolate, 12–34 × 10–22 mm, proximally ± keeled, margins ± enfolding sepals, apex acute.
immediately subtending sepals, lance-ovate, 15–21(–24) × 8–14 mm.
sepals 11–17 mm;
corolla white, 44–64(–70) mm.
sepals 8–12+ mm;
corolla usually pink, sometimes red or white, 40–67 mm, horticultural doubles, limb multilobed;
margins entire;
stamens and ovaries absent.
= 22.
Calystegia catesbeiana
Calystegia pubescens
Subspecies 2 (2 in the flora).
Plants of Calystegia catesbeiana, especially subsp. catesbeiana, often have been misidentified as C. sepium because of their climbing habit.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
The nomenclatural type of Calystegia pubescens may prove to be conspecific with the type of Convolvulus japonicus Thunberg. Plants are sterile; reproduction is by rhizomes.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Stems usually weakly twining-climbing, sometimes proximally erect, to 40(–100) cm; leaf blades to 60 mm, basal lobes obtuse or rounded, to 11 mm, surfaces usually pubescent, abaxial rarely whitish. | subsp. catesbeiana |
1. Stems twining-climbing to 200(–300) cm; leaf blades to 120 mm, basal lobes rounded, 9–20 mm, surfaces densely pubescent to tomentose, abaxial usually whitish. | subsp. sericata |
WildflowerSearch
iNaturalist
USDA Plants Database
BC
Go Botany
IL Wildflowers
KS Wildflowers
MI Flora
MO Plants
PNW Herbaria
