Washingtonia filifera

Washingtonia filifera is a large fan palm native to desert oases and riparian areas of the southwestern United States. It is distinguished by broad, fan-shaped leaves and persistent dead leaves that can form a skirt around its trunk.

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Arecaceae: Arecaceae is the botanical family of palms, mostly woody flowering plants with unbranched stems and large leaves. This family places Washingtonia filifera among palms with distinctive crowns and growth forms.
Ornamental plant: An ornamental plant is cultivated chiefly for its appearance rather than for food or other material products. Its imposing trunk and fan-shaped crown make it a prominent landscape palm.
Washingtonia robusta: Washingtonia robusta is a tall fan palm native to northwestern Mexico and widely planted as an ornamental. It is the other commonly cultivated Washingtonia and has a slimmer trunk and different native range.
Habitat fragmentation: Habitat fragmentation is the division of continuous habitat into smaller, isolated patches. Development and altered water conditions can isolate native palm-oasis populations.
Palmate leaf: A palmate leaf has leaflets or lobes spreading from a common point, like fingers from a palm. Its broad leaves divide into segments radiating from a central point.
Urban forestry: Urban forestry is the planning and management of trees and other woody vegetation in and around towns and cities. The species is planted in parks, streets, and other warm-climate public spaces.
Washingtonia: Washingtonia is a genus of fan palms native to arid and semiarid regions of western North America. Washingtonia filifera is one of the genus's two widely recognized species.
Groundwater depletion: Groundwater depletion is the reduction of underground water reserves through extraction or diminished recharge. Palm oases depend on accessible water, making groundwater changes consequential for native stands.
Palm trunk: A palm trunk is the upright stem of a palm, typically marked by persistent leaf scars. The species' tall, columnar stem records the positions of shed leaves.
Desert oasis: A desert oasis is a localized area of reliable water and vegetation within an arid landscape. Wild populations mark oasis habitats where groundwater sustains palms amid desert.