Parkinsonia microphylla Torr.
Cercidium microphyllum (Torr.) Rose & I.M. Johnst.
Foothills Palo Verde, Yellow Paloverde
The yellow palo verde is native to the Sonoran Desert. Although it typically looses its leaves in the punishing summer heat, its trunk and branches are photosynthetic. It also has deep roots so it can reach any available water.
Identification: The most notable difference between this palo verde and blue palo verde is the trunk and branch color. Foothills palo verde is yellow-green, vs. a bluish cast to blue palo verde.
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|Plant||15-30' (4.6-9.1 m). Trunk and branches are bluish green, photosynthetic.||10-20' (3-6.1 m) high, and about the same around. Bark is smooth and yellow-green in color.|
|Leaves||Bipinnate, with leaflets ⅛-¼" (3.2-6.3 mm) long; often leafless.||In small pinnate stalks up to 1" (2.5 cm), containing a row of tiny, round leaflets. Dropped entirely during droughts.|
|Fruit||A flat pod with one or more seeds, brown, turning white with age, up to 3" (7.6 cm) long.||2-3" (5-7.6 cm) seed pods contain up to five seeds.|
|Habitats||Creosote bush scrub, below 3600' (1.1 km)||Mohave and Sonoran deserts of Arizona, California, and Baja Mexico; at up to 4000' (1.2 km)|
Parkinsonia microphylla at Southeastern Arizona Wildflowers and the Plants of the Sonoran Desert
Parkinsonia microphylla on Blue Planet Biomes
Parkinsonia microphylla as Compiled by the Master Gardeners of the University of Arizona Pima County Cooperative Extension
Parkinsonia microphylla at the Lady Bird Johnson Wildflower Center
Parkinsonia microphylla on CalPhotos
Parkinsonia microphylla on Wikimedia Commons
Parkinsonia microphylla at the Vanderbilt University Bioimages web site
Parkinsonia microphylla on Desert-tropicals.com
Parkinsonia microphylla at the Arizona Sonora Desert Museum Sonoran Desert Digital Library
Parkinsonia microphylla on Desert Connections
Parkinsonia microphylla on Wikipedia
Parkinsonia microphylla on jan.ucc.nau.edu
Parkinsonia microphylla on the USDA Forest Service's Fire Effects Information Database
Parkinsonia microphylla description by Thomas H. Kent, last updated 16 Aug 2013.