? Washingtonia filifera
Washingtonia filifera growing wild near Twentynine Palms, California
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Liliopsida Order: Arecales Family: Arecaceae Genus: Washingtonia Species: W. filifera
Binomial name
Washingtonia filifera (Lindl.) H.Wendl.

Washingtonia filifera (California Fan Palm, California Washingtonia, or Desert Fan Palm) is a palm native to the desert oases of southern California, southwest Arizona and extreme northwest Mexico. It grows up to 23 m (exceptionally 30 m) tall in good growing conditions. The leaves have a petiole up to 2 m long, bearing a fan of leaflets 1.5-2 m long. The name honors George Washington, first President of the United States. Download high resolution version (1200x1600, 999 KB)Washingtonia Palms near Twentynine Palms, California, USA. Taken February 7, 2004 by Jim Harper. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Classes Magnoliopsida- Dicots Liliopsida- Monocots The flowering plants (also called angiosperms) are a major group of land plants. ... Liliopsida is the botanical name for a class. ... Family Arecaceae Arecales is the botanical order which includes only the palm family, Arecaceae. ... Genera Many; see list of Arecaceae genera Arecaceae (also known as Palmae), the Palm Family, is a family of flowering plants, belonging to the monocot order, Arecales. ... Species Washingtonia filifera Washingtonia robusta Washingtonia is a genus of palms, native to the southwestern United States (in southern California, southwest Arizona) and northwest Mexico (in northern Baja California and Sonora). ... In biology, binomial nomenclature is the formal method of naming species. ... John Lindley (February 8, 1799 - November 1, 1865) was an English botanist. ... Genera Many; see list of Arecaceae genera Arecaceae (also known as Palmae), the Palm Family, is a family of flowering plants, belonging to the monocot order, Arecales. ... Desert view in Saudi Arabia. ... Oasis in the Libyan part of the Sahara In geography, an oasis is an isolated area of vegetation in a desert, typically surrounding a spring or similar water source. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area  - Total   - Width   - Length   - % water  - Latitude  - Longitude Ranked 3rd 158,302 sq mi  410,000 km² 250 miles  402. ... Official language(s) None Capital Phoenix Largest city Phoenix Area  - Total  - Width  - Length  - % water  - Latitude  - Longitude Ranked 6th 295,254 km² 500 km 645 km 0. ... In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... A petiole (also called a pedicel) is the first abdominal segment of members of the Apocrita. ... George Washington (February 22, 1732–December 14, 1799) was the successful Commander in Chief of the Continental Army in the American Revolutionary War from 1775 to 1783, and later became the first President of the United States, an office to which he was twice elected unanimously (unanimous among the Electoral... The presidential seal was used by president Hayes in 1880 and last modified in 1959 by adding the 50th star for Hawaii. ...

Cultivation and uses

Planted California Washingtonias

Washingtonia filifera is a fast-growing palm and is widely cultivated as an ornamental throughout southern California, and as a novelty specimen in some cooler climates where it is not reliably hardy but may survive milder winters. It is also widely grown in the Mediterranean region. The plants grow best in warmer mediterranean climates with winter rain and dry summers. Specimens outside of Mediterranean climates do not grow as large, rarely exceeding 15 m. The plants are tolerant of some frost and the species is rated as hardy to USDA zone 8b and will survive temperatures of -9.4 to -6.7ºC (15 to 20ºF) with minor damage; established plants have survived brief periods of temperatures as low as -12ºC (11°F) but with severe damage to the foliage. This article is being considered for deletion in accordance with Wikipedias deletion policy. ... A Mediterranean climate is one that resembles those of the lands bordering the Mediterranean Sea. ... Rain falling For other uses see Rain (disambiguation). ...

External links

• Washingtonia filifera at Floridata
• Washingtonia filifera in Flora of North America

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Washingtonia filifera