Jepson eFlora: Taxon page
Key to families | Table of families and genera
Previous taxon Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Next taxon
Datura wrightii

Higher Taxonomy
Family: SolanaceaeView DescriptionDichotomous Key

Common Name: NIGHTSHADE FAMILY
Habit: Annual to shrub. Leaf: generally simple, generally alternate, generally petioled; stipules 0; blade entire to deeply lobed. Inflorescence: various. Flower: bisexual; calyx lobes generally 5; corolla +- radial, cylindric to rotate, lobes generally 5; stamens 5, on corolla tube, alternate lobes; ovary superior, generally 2-chambered, style 1. Fruit: berry, loculicidal or septicidal capsule, [(drupe)], 2--5-chambered.
Genera In Family: 75 genera, 3000 species: worldwide, especially +- tropics; many alien weeds in California; many cultivated for food, drugs, or ornamental (potato, tomato, peppers, tobacco, petunia). Toxicity: many TOXIC. Note: Nicandra physalodes (L.) Gaertn. is a waif.
eFlora Treatment Author: Michael H. Nee
Scientific Editor: Thomas J. Rosatti.
Genus: DaturaView DescriptionDichotomous Key

Common Name: JIMSON WEED
Habit: Annual to subshrub, hairs +- 0 or simple, ill-smelling. Leaf: entire to deeply lobed. Inflorescence: flowers 1 in branch forks. Flower: calyx circumscissile near base, leaving +- rotate collar in fruit; corolla funnel-shaped, white or +- purple, lobes 5(10); stamens attached below tube middle; ovary 2- or 4-chambered. Fruit: capsule, leathery or woody, prickly; valves 2--4 or irregular. Seed: +- flat, black, brown, gray-brown, or tan.
Species In Genus: +- 13 species: warm regions, especially Mexico; several ornamental, some source of drugs. Etymology: (Hindu: ancient name) Toxicity: All species. TOXIC.

Datura wrightii Regel
NATIVE
Habit: Annual or perennial herb, 5--15 dm. Stem: white-puberulent. Leaf: 7--20 cm, ovate, entire or coarsely lobed. Flower: erect to nodding; calyx 8--12 cm, ribbed at least toward base, lobes +- 2 cm; corolla 15--20 cm, puberulent, white, lobes 1--2 cm, tips long, narrow; filaments 13--15 cm, anthers 12--15 mm; style 15--18 cm. Fruit: irregular-valved, nodding, 25--30 mm wide, puberulent; prickles 5--12 mm. Seed: 5 mm, flat, tan; margin grooved. Chromosomes: n=12.
Ecology: Sandy or gravelly open areas; Elevation: < 2200 m. Bioregional Distribution: NCoRI, c&s SNF, Teh, GV, CW, SW, D; Distribution Outside California: to Utah, Texas, Mexico. Flowering Time: Apr--Oct Note: Cult for showy flowers; may have been introduced by early Spanish; possibly conspecific with Datura inoxia Mill.
Synonyms: Datura meteloides A.DC.
eFlora Treatment Author: Michael H. Nee
Jepson Online Interchange

Previous taxon: Datura stramonium
Next taxon: Lycium

Name Search
botanical illustration including Datura wrightii

Contact/Feedback

Citation for this treatment: Michael H. Nee 2016. Datura wrightii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=22389, accessed on February 14, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 14, 2016.


Datura wrightii
click for enlargement
© 2013 Neal Kramer
Datura wrightii
click for enlargement
© 2013 Neal Kramer
Datura wrightii
click for enlargement
© 2003 Michael Charters
Datura wrightii
click for enlargement
© 2004 James M. Andre
Datura wrightii
click for enlargement
© 2015 Keir Morse
Datura wrightii
click for enlargement
© 2007 Neal Kramer

More photos of Datura wrightii in CalPhotos


Geographic subdivisions for Datura wrightii:
NCoRI, c&s SNF, Teh, GV, CW, SW, D;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
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).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

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