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Carlowrightia arizonica
ARIZONA CARLOWRIGHTIA, ARIZONA WRIGHTWORT

Higher Taxonomy
Family: AcanthaceaeView DescriptionDichotomous Key

Common Name: ACANTHUS FAMILY
Habit: [Annual, perennial herb to] shrub, [tree], nodes generally swollen. Leaf: simple, generally opposite, entire (toothed [lobed]); stipules 0. Inflorescence: variable, with bracts, generally also bractlets. Flower: bisexual; calyx deeply (3)4--5 lobed [(sepals free)]; corolla 4--5 lobed, radial to 2-lipped; stamens 2 or 4, epipetalous, anther sacs sometimes dissimilar in size or placement; ovary superior, 4--many-ovuled, chambers 1--2, placentas axile (free central), stigmas 1--2. Fruit: capsule, loculicidal, generally dehiscing explosively, valves 2. Seed: 1--4[+], each generally subtended by hook-like outgrowth that remains in fruit.
Genera In Family: 220 genera, 4000 species: especially tropics; some ornamental: Justicia (Beloperone, shrimp-plant), Acanthus, Thunbergia.
eFlora Treatment Author: Thomas F. Daniel, Margriet Wetherwax & Lawrence R. Heckard, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: CarlowrightiaView Description 

Habit: Subshrub, shrub. Inflorescence: generally spike- [or panicle-]like. Flower: corolla 4-lobed (but petals 5), tube < lobes, slender, barely wider at throat, uppermost lobe generally notched (2 petals +- entirely fused), 2 lateral ascending or reflexed, lowest +- keeled, included stamens, style; stamens 2, anther sacs +- equally placed on filament, opening toward uppermost lobe, not spurred. Fruit: compressed-ovoid; stalk +- flat. Seed: 4, disk-like, notched at base.
Species In Genus: 24 species: especially southwestern United States, Mexico. Etymology: (Charles Wright, American botanical collector, 1811--1885)

Carlowrightia arizonica A. Gray
NATIVE
Stem: multi-branched, < 1 m; hairs erect or recurved, minute. Leaf: variable in size, shape; blade generally < 5 cm, lanceolate to elliptic or cordate, puberulent; petiole 0--8 mm. Inflorescence: flowers 1--several per bract. Flower: calyx 1.5--5 mm, lobes 5, narrow-triangular; corolla 1--1.8 cm, white with yellow, maroon-streaked spot on upper lobe. Fruit: 7--11 mm, glabrous. Seed: 3--4 mm, tubercled; margin finely dentate. Chromosomes: 2n=36.
Ecology: Rocky slopes; Elevation: +- 300 m. Bioregional Distribution: w DSon (Flat Cat, Palm canyons, Anza Borrego); Distribution Outside California: to Texas, Central America. Flowering Time: Apr--Jun
eFlora Treatment Author: Thomas F. Daniel, Margriet Wetherwax & Lawrence R. Heckard
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Listed on CNPS Rare Plant Inventory

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Next taxon: Justicia

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botanical illustration including Carlowrightia arizonica

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Citation for this treatment: Thomas F. Daniel, Margriet Wetherwax & Lawrence R. Heckard 2016. Carlowrightia arizonica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=17960, accessed on May 26, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 26, 2016.


Carlowrightia arizonica
click for enlargement
© 2012 Keir Morse
Carlowrightia arizonica
click for enlargement
© 2002 John Game
Carlowrightia arizonica
click for enlargement
© 2002 Jepson Herbarium/Tony Morosco
Carlowrightia arizonica
click for enlargement
© 2002 Jepson Herbarium/Tony Morosco
Carlowrightia arizonica
click for enlargement
© 2012 Keir Morse
Carlowrightia arizonica
click for enlargement
© 2012 Keir Morse

More photos of Carlowrightia arizonica in CalPhotos


Geographic subdivisions for Carlowrightia arizonica:
w DSon (Flat Cat, Palm canyons, Anza Borrego);
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.