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Dudleya cymosa

Dudleya cymosa (*)

Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Magnoliopsida
Ordo: Saxifragales
Familia: Crassulaceae
Subfamilia: Echeverioideae
Genus: Dudleya
Species: Dudleya cymosa

Name

Dudleya cymosa (Lem.) Britton & Rose

References

* New or Noteworthy North American Crassulaceae 21. 1903
* USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Data from 07-Oct-06]. 416254

Dudleya cymosa is a succulent plant known by the common name Canyon live-forever. The plant is found in rocky areas in the low elevations of California and southern Oregon mountains.

Description

It is a distinctive plant sending up erect red-orange stems from a gray-green basal rosette. The small yellowish-red thimble-shaped flowers top the stems in a cyme inflorescence. Some subspecies are considered threatened locally.
Subspecies

Selected Dudleya cymosa subspecies:

D. c. subsp. costafolia - Pierpoint Springs dudleya
D. c. subsp. crebrifolia - San Gabriel River dudleya
D. c. subsp. marcescens - marcescent dudleya
D. c. subsp. ovatifolia - Santa Monica Mountains dudleya

The subspecies marcescens[1] and ovatifolia[2] are federally listed as threatened species of the United States.
Butterfly habitat

Dudleya cymosa is the larval host plant for the Sonoran Blue butterfly, Philotes sonorensis (Lycaenidae)

Notes

^ USFWS. ssp. marcescens. Species Profile.
^ USFWS. ssp. ovatifolia. Species Profile.

References

Thomson, Paul H. (1993). Dudleya and Hasseanthus handbook. Bonsall, CA: Bonsall Publication. ISBN 978-0960206650.
C.Michael Hogan, ed. 2010. Dudleya cymosa. Encyclopedia of Life.

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Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License