Contents 1 Description 2 Cultivation and uses 3 Gallery 4 References

Description[edit] Washingtonia robusta grows to 25 m (82 ft) tall, rarely up to 30 m (98 ft). The leaves have a petiole up to 1 m (3.3 ft) long, and a palmate fan of leaflets up to 1 m long. The inflorescence is up to 3 m (9.8 ft) long, with numerous small pale orange-pink flowers. The fruit is a spherical, blue-black drupe, 6–8 mm (0.24–0.31 in) diameter; it is edible, though thin-fleshed.[5]

Cultivation and uses[edit] Like the closely related Washingtonia filifera (California Fan Palm), it is grown as an ornamental tree. Although very similar, the Mexican Washingtonia has a narrower trunk (which is typically somewhat wider at the base), and grows slightly faster and taller; it is also somewhat less cold hardy than the California Washingtonia, hardy to about −8 °C (18 °F). Field research conducted on Washingtonia robusta in its native habitat on the Baja California peninsula concluded that its potential longevity may exceed 500 years.[6] Supporting research by Barry Tomlinson and Brett Huggett states that there is "evidence for extreme longevity of metabolically functioning cells of considerable diversity in palm stems."[7] Many of the iconic "sky dusters" of Los Angeles that have survived the chainsaws of progress are documented in photography from the 19th century. Unlike Washingtonia filifera, which has been cultivated as far north as southern Oklahoma and Southwestern Utah, the Mexican fan palm is normally grown in the desert southwestern United States, in areas such as California, Arizona, Southern Nevada, and southern New Mexico as well as Dallas Texas. It also cultivated in the coastal areas of south Atlantic states and Gulf Coast, including extreme southern North Carolina, coastal South Carolina, southern Georgia, and Florida. Along the Gulf Coast, Mexican fan palm can be found growing along the Florida west coast westward to southern Texas. Washingtonia × filibusta is a hybrid of W. robusta and W. filifera and has intermediate characteristics of the two parents, especially greater tolerance of wet cold.[8]

Gallery[edit] Flowering palm in Chandler, Arizona Infructescence Inflorescence Arizona State University's Palm Walk Species in Venice Beach, California Washingtonia robusta and Canary Island Date Palms are commonly seen lining many streets throughout San Jose, California Grooves of Palm trees lined up at S. Occidental Blvd between Koreatown and Westlake of Los Angeles, California. Species line Santa Clara Street in San Jose, California Oldest palms in Los Angeles, planted circa 1875.

References[edit] Trees portal Wikimedia Commons has media related to Washingtonia robusta. Wikispecies has information related to Washingtonia robusta ^ "Washingtonia robusta". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2010-07-17.  ^ The Plant List ^ Kew World Checklist of Selected Plant Families,Washingtonia robusta ^ Biota of North America Program 2014 county distribution map ^ Flora of North America Vol. 22 Page 106 Mexican fan palm, palmier évantail du Mexique Washingtonia robusta H. Wendland, Garten-Zeitum (Berlin). 2: 198. 1883. ^ Bullock, S.H.; Heath, D. "Growth rates and age of native palms in the Baja California desert". Journal of Arid Environments. 67 (3): 391–402. doi:10.1016/j.jaridenv.2006.03.002.  ^ Tomlinson, P. Barry; Huggett, Brett A. (2012-12-01). "Cell longevity and sustained primary growth in palm stems". American Journal of Botany. 99 (12): 1891–1902. doi:10.3732/ajb.1200089. ISSN 0002-9122. PMID 23221497.  ^ Riffle, Robert Lee (2008). Timber Press Pocket Guide to Palms. Timber Press Pocket Guides. Portland, Oregon: Timber Press. p. 224. ISBN 978-0-88192-776-4.  Scanpalm - Washingtonia robusta Retrieved from "" Categories: WashingtoniaPlants described in 1883Trees of SonoraTrees of Baja California SurNorth American desert floraTrees of Mediterranean climateOrnamental treesHidden categories: Articles with 'species' microformats

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Washingtonia_robusta - Photos and All Basic Informations

Washingtonia_robusta More Links

Los Angeles County Arboretum And Botanic GardenTaxonomy (biology)PlantaeAngiospermsMonocotsCommelinidsArecalesArecaceaeWashingtoniaBinomial NomenclatureHermann WendlandSynonym (taxonomy)ArecaceaeSonoraBaja California SurMexicoFloridaCaliforniaHawaiiCanary IslandsItalySpainRéunionLeafPetiole (botany)InflorescenceFlowerFruitDrupeWashingtonia FiliferaOrnamental PlantOklahomaUtahSouthwestern United StatesCaliforniaArizonaSouthern NevadaNew MexicoNorth CarolinaSouth CarolinaGeorgia (U.S. State)FloridaTexasWashingtonia FilibustaHybrid (biology)Chandler, ArizonaArizona State UniversityVenice Beach, CaliforniaCanary Island Date PalmSan Jose, CaliforniaKoreatown, Los AngelesWestlake, Los AngelesSan Jose, CaliforniaLos AngelesPortal:TreesWikispeciesGermplasm Resources Information NetworkAgricultural Research ServiceUnited States Department Of AgricultureDigital Object IdentifierDigital Object IdentifierInternational Standard Serial NumberPubMed IdentifierInternational Standard Book NumberSpecial:BookSources/978-0-88192-776-4Help:CategoryCategory:WashingtoniaCategory:Plants Described In 1883Category:Trees Of SonoraCategory:Trees Of Baja California SurCategory:North American Desert FloraCategory:Trees Of Mediterranean ClimateCategory:Ornamental TreesCategory:Articles With 'species' MicroformatsDiscussion About Edits From This IP Address [n]A List Of Edits Made From This IP Address [y]View The Content Page [c]Discussion About The Content Page [t]Edit This Page [e]Visit The Main Page [z]Guides To Browsing WikipediaFeatured Content – The Best Of WikipediaFind Background Information On Current EventsLoad A Random Article [x]Guidance On How To Use And Edit WikipediaFind Out About WikipediaAbout The Project, What You Can Do, Where To Find ThingsA List Of Recent Changes In The Wiki [r]List Of All English Wikipedia Pages Containing Links To This Page [j]Recent Changes In Pages Linked From This Page [k]Upload Files [u]A List Of All Special Pages [q]Wikipedia:AboutWikipedia:General Disclaimer

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