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Vascular Plants of California
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Calystegia collina subsp. collina


Higher Taxonomy
Family: ConvolvulaceaeView DescriptionDichotomous Key
Common Name: MORNING-GLORY FAMILY
Habit: Annual, perennial herb, subshrub, generally twining or trailing. Leaf: 0 or alternate. Inflorescence: cyme or flowers 1 in axils; bracts subtending flowers 0 or 2. Flower: bisexual, radial; sepals (4)5, +- free, overlapping, persistent, often unequal; corolla generally showy, generally bell-shaped, +- shallowly 5-lobed, generally pleated and twisted in bud; stamens 5, epipetalous; pistil 1, ovary superior, chambers generally 2, each generally 2-ovuled, styles 1--2. Fruit: generally capsule. Seed: 1--4(6).
Genera In Family: 55--60 genera, 1600--1700 species: warm temperate to tropics; some cultivated for food or as ornamental (Ipomoea). Note: Monophyletic only if Cuscutaceae included, as treated here. Ipomoea cairica (L.) Sweet, Ipomoea hederacea Jacq. [Ipomoea nil L., misappl.], Ipomoea indica (Burm.) Merr. (including Ipomoea mutabilis Ker Gawl.), Ipomoea purpurea (L.) Roth, Ipomoea triloba L., all included in TJM (1993), not naturalized.
eFlora Treatment Author: Robert E. Preston, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: CalystegiaView DescriptionDichotomous Key

Common Name: MORNING-GLORY
Habit: Perennial herb, subshrub from caudex or rhizome, glabrous to tomentose. Stem: short to high-climbing, generally twisting, twining. Leaf: generally > 1 cm, linear to reniform or sagittate to hastate (deeply divided). Inflorescence: peduncle generally 1-flowered; bracts generally +- opposite, lobed or not, > 1 mm below calyx, not hiding it, small, to < 1 mm below calyx, hiding it or +- so, large. Flower: generally showy; corolla glabrous, white or yellow to pink or purple; ovary chamber 1, style 1, stigma lobes 2, oblong, tips obtuse. Fruit: +- spheric, +- inflated. Seed: generally +- 4.
Species In Genus: +- 25 species: temperate, worldwide. Etymology: (Greek: hiding calyx, by bracts of some) Note: Intermediates common, often difficult to identify. Molecular evidence indicates close relationship with Convolvulus (Carine et al. 2004 Amer J Bot 91:1070--1085). Bracts qualify as bractlets by some definitions. Leaf blade length measured along midrib.
eFlora Treatment Author: R.K. Brummitt
Reference: Brummitt 2002 Madroño 49:130--131
Unabridged Reference: Brummitt 1980 Kew Bull 35(2):327--328
Species: Calystegia collinaView Description 


Habit: Perennial herb from rhizome, tomentose. Stem: decumbent, not or weakly climbing. Leaf: generally < 3 cm, reniform (basal lobes indistinct) to distinctly lobed; margin generally wavy. Inflorescence: peduncle < 6 cm, > subtending leaf or not; bracts partly to entirely hiding calyx, entire. Flower: sepals 8--13 mm; corolla 25--55 mm, white.

Calystegia collina (Greene) Brummitt subsp. collina
NATIVE
Stem: 8--15 cm. Leaf: reniform to triangular; lobes generally indistinct. Inflorescence: bracts +- hiding calyx, 8--15 mm, 6--14 mm wide, widely ovate. Flower: sepals glabrous or strigose at center; corolla 30--54 mm.
Ecology: Open grassy or rocky places or in open oak/pine woodland, often serpentine; Elevation: < 600 m. Bioregional Distribution: NCoR, SnFrB, SCoRO. Flowering Time: Apr--Jun
Jepson eFlora Author: R.K. Brummitt
Reference: Brummitt 2002 Madroño 49:130--131
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Calystegia collina subsp. collina

botanical illustration including Calystegia collina subsp. collina

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Citation for this treatment: R.K. Brummitt 2012, Calystegia collina subsp. collina, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=49541, accessed on December 15, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on December 15, 2019.

Calystegia collina subsp. collina
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© 2009 Barry Rice
Calystegia collina subsp. collina
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© 2007 Neal Kramer
Calystegia collina subsp. collina
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© 2007 California Academy of Sciences
Calystegia collina subsp. collina
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© 2007 Neal Kramer
Calystegia collina subsp. collina
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© 2014 Chris Winchell
Calystegia collina subsp. collina
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© 2014 Chris Winchell

More photos of Calystegia collina subsp. collina in CalPhotos



Geographic subdivisions for Calystegia collina subsp. collina:
NCoR, SnFrB, SCoRO.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.