|
|
|
17. Calystegia catesbeiana Pursh, Fl. Amer. Sept. 2: 729. 1813.
[E]
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.
Subspecies 2 (2 in the flora): se United States. Plants of Calystegia catesbeiana, especially subsp. catesbeiana, often have been misidentified as C. sepium because of their climbing habit.
|
|
|
|
| 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 |
|
17a Calystegia catesbeiana subsp. catesbeiana |
| + |
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 |
|
17b Calystegia catesbeiana subsp. sericata |
|
|
|
Lower Taxa
| Related Links (opens in a new window) |
|
Other Databases
|
|
|
|
|
|
|
|
|
