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
Crossosoma californicum
CATALINA CROSSOSOMA

Higher Taxonomy
Family: CrossosomataceaeView DescriptionDichotomous Key

Common Name: CROSSOSOMA FAMILY
Habit: Shrub, small tree. Stem: generally glabrous; branchlets or twigs generally thorny. Leaf: generally deciduous, simple, generally small, generally alternate, entire; stipules minute or 0. Inflorescence: flowers 1. Flower: generally bisexual, radial; hypanthium short; sepals, petals generally 5(3--6), free; petals generally white, ephemeral; stamens 4--50, on or around disk; pistils 1--9, simple, styles short, stigmas head-like, ovules generally 2--many. Fruit: follicles, 1--9. Seed: brown to black, arilled.
Genera In Family: 4 genera, 9 species: western United States, Mexico.
eFlora Treatment Author: Robert E. Preston & James R. Shevock
Scientific Editor: Thomas J. Rosatti.
Genus: CrossosomaView DescriptionDichotomous Key

Leaf: deciduous (or dry when dormant); petiole 0--short. Inflorescence: peduncle bracted or not. Flower: petals 9--15 mm, +- round or oblong, generally white. Fruit: cylindric, surface smooth or net-like, beak 1--2 mm. Seed: generally > 2 per fruit, black, shiny, round to flat; aril conspicuous, fringed, +- yellow.
Species In Genus: 2 species: southern California to Arizona, Mexico. Etymology: (Greek: fringe body, from aril)

Crossosoma californicum Nutt.
NATIVE
Habit: Plant 1--5 m. Stem: branchlets +- thorny. Leaf: oblong (to obovate or spoon-shaped). Flower: sepals round-ovate; petals 12--15 mm, +- round, white, +- clawed. Fruit: 2--9, 15--20 mm, +- recurved at tip. Seed: generally > 20, +- 2.5 mm diam.
Ecology: Dry, rocky slopes, canyons; Elevation: < 610 m. Bioregional Distribution: c SCo (Palos Verdes Peninsula), s ChI (San Clemente, Santa Catalina islands); Distribution Outside California: Baja California (Guadalupe Island). Flowering Time: Feb--May
eFlora Treatment Author: Robert E. Preston & James R. Shevock
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

Previous taxon: Crossosoma bigelovii
Next taxon: Glossopetalon

Name Search
botanical illustration including Crossosoma californicum

Contact/Feedback

Citation for this treatment: Robert E. Preston & James R. Shevock 2016. Crossosoma californicum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=21075, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 01, 2016.


Crossosoma californicum
click for enlargement
© 2011 Neal Kramer
Crossosoma californicum
click for enlargement
© 2011 Neal Kramer
Crossosoma californicum
click for enlargement
© 2011 Neal Kramer
Crossosoma californicum
click for enlargement
© 2011 Dylan Neubauer
Crossosoma californicum
click for enlargement
© 2011 Neal Kramer
Crossosoma californicum
click for enlargement
© 2011 Dylan Neubauer

More photos of Crossosoma californicum in CalPhotos


Geographic subdivisions for Crossosoma californicum:
c SCo (Palos Verdes Peninsula), s ChI (San Clemente, Santa Catalina islands);
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.