Calystegia subacaulis |
Calystegia felix |
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Hill morning glory, hillside false bindweed |
lucky false bindweed, lucky morning-glory |
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Habit | Perennials, rhizomatous. | Perennials, rhizomatous. | ||||
Herbage | moderately to sparsely hairy, hairs appressed, retrorse, or spreading. |
glabrous or sparsely hairy. |
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Stems | ascending-decumbent, to 20–30 cm or almost absent. |
trailing or twining-climbing. |
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Leaves | in basal rosettes or not; blade rounded-deltate to triangular-hastate, 30–40 mm, base usually cuneate, sometimes lobed, lobes retrorse, 1-pointed or rounded, margins not or weakly undulate, apex acuminate, acute, rounded, or subacute. |
blade oblong, oblong-ovate, orbiculate, or ovate, 45–122 × 30–96 mm, base cordate and lobes rounded or base cuneate to ± truncate. |
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Bracts | immediately subtending sepals, lanceolate, oblong, or broadly ovate, 7–17 × 1.5–9 mm, shorter, or slightly longer, than sepals, proximally usually flat, sometimes keeled, apex usually rounded, sometimes acute. |
(1–)2–3(–4) mm distant from sepals, narrowly elliptic to oblanceolate, 5–14 × 1–2.5(–3.5) mm, shorter than or equal to sepals, proximally flat, margins entire. |
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Flowers | sepals 10–13 mm; corolla white or cream, sometimes pink- to purplish-striped or -tinged, 33–62 mm. |
sepals lance-ovate to narrowly oblong, outers 8–11 × 2.5–5 mm, inners 11–15 × 3.5–4 mm; corolla white with yellow or purplish stripes, 27–45 mm. |
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Calystegia subacaulis |
Calystegia felix |
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Phenology | Flowering Mar–Sep. | |||||
Habitat | Poorly drained alkali silt loams, disturbed sites. | |||||
Elevation | 10–300 m. (0–1000 ft.) | |||||
Distribution |
California
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CA |
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Discussion | 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 subacaulis | |||||
Name authority | Hooker & Arnott: Bot. Beechey Voy. 363. (1839) | Provance & A. C. Sanders: PhytoKeys 32: 5, figs. 1–3. (2013) | ||||
Web links |