Calystegia catesbeiana
Calystegia longipes
Catesby's false bindweed
Paiute false bindweed, Piute morning glory
pubescent to tomentose, hairs usually whitish.
glabrous.
usually twining-climbing, sometimes proximally erect, distally twining-climbing, to 40–200(–300) cm.
erect, sometimes intertwined.
blade elliptic-ovate, to 120 × 50 mm, base lobed, lobes obtuse or rounded, to 20 mm.
blade usually linear to narrowly triangular, sometimes ovate, to 60 mm, base not lobed, or hastate-lobed and lobes ± linear, oblong, or triangular, 1-pointed.
immediately subtending sepals, lanceolate, 12–34 × 10–22 mm, proximally ± keeled, margins ± enfolding sepals, apex acute.
5–20(–50) mm distant from sepals, lanceolate to linear, 3–17 × 0.2–3 mm, margins entire or lobed.
sepals 11–17 mm;
corolla white, 44–64(–70) mm.
sepals oblong-ovate, 8–11 mm;
corolla white or cream, sometimes pink-tinged, 28–36(–47) mm.
Calystegia catesbeiana
Calystegia longipes
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.)
Intermediates between Calystegia longipes and C. macrostegia subsp. tenuifolia, and between C. longipes and C. peirsonii, occur in southern California.
(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 |
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