Difference between revisions of "Calystegia catesbeiana"
Fl. Amer. Sept. 2: 729. 1813.
Endemic
Treatment appears in FNA Volume 14.
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|publication year=1813 | |publication year=1813 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Calystegia | |genus=Calystegia | ||
|species=Calystegia catesbeiana | |species=Calystegia catesbeiana | ||
Latest revision as of 13:15, 24 November 2024
Perennials, rhizomatous. Herbage pubescent to tomentose, hairs usually whitish. Stems usually twining-climbing, sometimes proximally erect, distally twining-climbing, to 40–200(–300) cm. Leaves: blade elliptic-ovate, to 120 × 50 mm, base lobed, lobes obtuse or rounded, to 20 mm. Bracts immediately subtending sepals, lanceolate, 12–34 × 10–22 mm, proximally ± keeled, margins ± enfolding sepals, apex acute. Flowers: sepals 11–17 mm; corolla white, 44–64(–70) mm.
Distribution
se United States.
Discussion
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.
Selected References
None.
Key
| 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. | Calystegia catesbeiana 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. | Calystegia catesbeiana subsp. sericata |