Also called yucca palm, tree yucca and palm tree yucca.  Despite two of these common names, not a 🌴︎ palm  family Arecaceae.   Instead, …

Part of ⚶ yucca  genus Yucca (🏛❀ state flower of New Mexico) in asparagus  family Asparagaceae.

Native to the arid southwestern 🇺🇸 USA, specifically the 🏜 Mojave Desert at elevation 400–1800 m (1300–6000 ft).  This author has driven valleys where Joshua Tree grows only in a narrow 60 m (200 ft) band of elevation.   🗺 Map by county (🇺🇸 USA-48) (color key), 🗺 map (North America, Central America).  Adobe Acrobat Reader file

Uses by native peoples
(Ethnobotany database)

Yucca hosts caterpillars of 29 species
of butterflies and moths, in some areas.

Gives its name to 🏞 Joshua Tree National Park.

Learn more about Joshua tree Yucca brevifolia

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Flora of North America USDA PLANTS db USFS Wikipedia

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🏠︎ 🌳︎🍁︎ broadleaves:  3+-at-the-node at end of each branch