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Vascular Plants of California
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Camissonia strigulosa


Higher Taxonomy
Family: OnagraceaeView DescriptionDichotomous Key
Common Name: EVENING-PRIMROSE FAMILY
Habit: Annual to perennial herb (to tree). Leaf: cauline or basal, alternate, opposite, or whorled, generally simple and toothed (to pinnately compound); stipules 0 or generally deciduous. Inflorescence: spike, raceme, panicle, or flowers 1 in axils; bracted. Flower: generally bisexual, generally radial, often opening at either dawn or dusk; hypanthium generally prolonged beyond ovary (measured from ovary tip to sepal base); sepals 4(2--7); petals 4(2--7, rarely 0), often fading darker; stamens 2 × or = sepals in number, anthers 2-chambered, opening lengthwise, pollen interconnected by threads; ovary inferior, chambers generally as many as sepals (sometimes becoming 1), placentas axile or parietal, ovules 1--many per chamber, style 1, stigma 4-lobed (or lobes as many as sepals), club-shaped, spheric, or hemispheric. Fruit: capsule, loculicidal (sometimes berry or indehiscent and nut-like). Seed: sometimes winged or hair-tufted.
Genera In Family: 22 genera, +- 657 species: worldwide, especially western North America; many cultivated (Clarkia, Epilobium, Fuchsia, Oenothera). Note: Gaura moved to Oenothera. Fuchsia magellanica Lam. naturalized in northern California.
eFlora Treatment Author: Warren L. Wagner & Peter C. Hoch, family description, key to genera, treatment of genera by Warren L. Wagner, except as noted
Scientific Editor: Robert Patterson, Bruce G. Baldwin.
Genus: CamissoniaView DescriptionDichotomous Key


Common Name: SUN CUP
Habit: Annual, from taproot; rosette generally +- 0. Leaf: cauline, alternate, simple, generally linear to narrowly elliptic. Inflorescence: bracted; spike or raceme, nodding in bud, erect in fruit, flowers only at distal nodes. Flower: radial, generally opening at dawn; sepals 4, reflexed singly or in pairs; petals 4, yellow, generally fading red, often with red basal spots; stamens 8, longer ones opposite sepals, anthers attached at middle, pollen grains 3-angled except in polyploid taxa, at 20×; ovary chambers 4, stigma hemispheric, generally > anthers and cross-pollinated, or +- = anthers and self-pollinated. Fruit: +- cylindric, straight to wavy, distorted by seeds at maturity, dehiscent throughout most of its length; pedicel +- 0 or <= 2(15) mm, 0 or shorter in flower. Seed: in 1 row per chamber, narrowly obovoid, smooth (minutely pitted), glossy.
Species In Genus: 12 species: western North America (especially CA-FP), 1 South America. Etymology: (L.A. von Chamisso, French-born German botanist, 1781--1838) Note: Polyploidy and self-pollination have predominated in evolution of genus. Not monophyletic as treated in TJM (1993); segregates moved to Camissoniopsis, Chylismia, Chylismiella, Eremothera, Eulobus, Neoholmgrenia, Taraxia, Tetrapteron (Wagner et al. 2007).
eFlora Treatment Author: Warren L. Wagner
Reference: [Wagner et al. 2007 Syst Bot Monogr 83:1--240]
Unabridged Reference: Raven 1969 Contr US Natl Herb 37:161--396
Camissonia strigulosa (Fisch. & C.A. Mey.) P.H. Raven
NATIVE
Habit: Slender, minutely strigose (hairs glandular or not, toward base also coarse, spreading). Stem: decumbent or erect, < 50 cm, wiry, peeling. Leaf: 8--35 mm, linear to narrowly elliptic, minutely serrate. Flower: hypanthium 1.6--2.7 mm; sepals 1.6--4 mm, remaining adherent in pairs; petals 2.1--4.5 mm, yellow fading +- red, basal spots 0--2. Fruit: 15--45 mm, 0.8--1.3 mm wide, +- swollen by seeds, straight or wavy, +- sessile. Seed: 0.6--0.8 mm. Chromosomes: 2n=28.
Ecology: Open sandy soils of dunes, grassland, desert scrub; Elevation: < 2100 m. Bioregional Distribution: s edge s SNH, Teh, CW, SW (exc s ChI), w DMoj; Distribution Outside California: northern Baja California. Flowering Time: Mar--May Note: Self-pollinated. Related to South America Camissonia dentata Reiche; hybridizes with Camissonia campestris subsp. obispoensis, Camissonia contorta, Camissonia integrifolia, Camissonia kernensis subsp. kernensis.
Synonyms: Oenothera strigulosa (Fisch. & C.A. Mey.) Torr. & A. Gray; Oenothera dentata Cav., misappl.
Jepson eFlora Author: Warren L. Wagner
Reference: [Wagner et al. 2007 Syst Bot Monogr 83:1--240]
Unabridged Reference: Raven 1969 Contr US Natl Herb 37:161--396
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Botanical illustration including Camissonia strigulosa

botanical illustration including Camissonia strigulosa

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Citation for this treatment: Warren L. Wagner 2012, Camissonia strigulosa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=16947, accessed on August 17, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on August 17, 2019.

Camissonia strigulosa
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© 2016 Steve Matson
Camissonia strigulosa
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© 2010 Thomas Stoughton
Camissonia strigulosa
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© 2009 Keir Morse
Camissonia strigulosa
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© 2013 Keir Morse
Camissonia strigulosa
click for enlargement
© 2009 Keir Morse
Camissonia strigulosa
click for enlargement
© 2013 Keir Morse

More photos of Camissonia strigulosa in CalPhotos



Geographic subdivisions for Camissonia strigulosa:
s edge s SNH, Teh, CW, SW (exc s ChI), w DMoj
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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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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.