Calystegia catesbeiana |
Calystegia malacophylla |
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Catesby's false bindweed |
morning glory, Sierra false bindweed |
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Habit | Perennials, rhizomatous. | Perennials, rhizomatous. | ||||||||
Herbage | pubescent to tomentose, hairs usually whitish. |
tomentose to villous. |
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Stems | usually twining-climbing, sometimes proximally erect, distally twining-climbing, to 40–200(–300) cm. |
ascending, decumbent, or procumbent, to 60(–100) cm. |
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Leaves | blade elliptic-ovate, to 120 × 50 mm, base lobed, lobes obtuse or rounded, to 20 mm. |
not in rosettes; blade usually broadly to narrowly triangular, sometimes ± reniform, 30–60 × 30–90 mm, base lobed, lobes 1–3-pointed, margins not notably undulate, apex acuminate, acute, emarginate, or obtuse. |
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Bracts | immediately subtending sepals, lanceolate, 12–34 × 10–22 mm, proximally ± keeled, margins ± enfolding sepals, apex acute. |
usually immediately subtending sepals and lanceolate to broadly ovate, rarely to 7 mm distant from sepals and narrowly triangular to subreniform, (7–)10–18(–20) × (5–)7–14(–15) mm, lengths usually equal to or longer than sepals, margins entire, lobed, or toothed. |
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Flowers | sepals 11–17 mm; corolla white, 44–64(–70) mm. |
sepals 9–13(–15) mm, densely hairy; corolla white, (20–)26–38(–45) mm. |
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Calystegia catesbeiana |
Calystegia malacophylla |
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Distribution |
se United States
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California
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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. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 14. | FNA vol. 14. | ||||||||
Parent taxa | Convolvulaceae > Calystegia | Convolvulaceae > Calystegia | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Convolvulus malacophyllus | |||||||||
Name authority | Pursh: Fl. Amer. Sept. 2: 729. (1813) | (Greene) Munz: Suppl. Calif. Fl., 85. (1968) | ||||||||
Web links |