Difference between revisions of "Calystegia pubescens"
J. Hort. Soc. London 1: 70, fig. [p. 71]. 1846.
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|special status=Weedy;Introduced | |special status=Weedy;Introduced | ||
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|genus=Calystegia | |genus=Calystegia | ||
|species=Calystegia pubescens | |species=Calystegia pubescens | ||
Latest revision as of 13:15, 24 November 2024
Perennials. Herbage sparsely hairy or glabrous. Stems trailing to twining-climbing, to 100 cm. Leaves: blade oblong-hastate to narrowly triangular, to 60+ mm, margins ± parallel at mid blade, base lobed, lobes abruptly spreading, ± triangular, apex acute to obtuse. Bracts immediately subtending sepals, lance-ovate, 15–21(–24) × 8–14 mm. Flowers: sepals 8–12+ mm; corolla usually pink, sometimes red or white, 40–67 mm, horticultural doubles, limb multilobed; margins entire; stamens and ovaries absent. 2n = 22.
Phenology: Flowering Jun–Sep.
Habitat: Abandoned plantings, disturbed sites.
Distribution
Introduced; Ont., Que., Conn., Del., D.C., Ill., Kans., Maine, Mass., Mich., Mo., N.H., N.J., N.Y., Pa., Tenn., Vt., Asia, introduced also in Europe.
Discussion
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.
Selected References
None.