Acacia willardiana     
Palo blanco   
Fabaceae Family     

Compiled by the Master Gardeners
of the University of Arizona Pima County Cooperative Extension.


Form: slender graceful arching tree with sparse foliage
Seasonality: normally evergreen, may drop leaves in cold or drought
Size: 10-20ft or more with spread 1/3 to 2/3 height
tiny leaflets
distinctive midrib and
leaflet arrangement on
Acacia willardiana
Leaves: mid-rib with 5-6 leaflets on end (also described as flattened petiole)
Flowers: catkins, rod or bottle-brush-like, white or light yellow
Fruit: multichambered pod, tan, 3-4in long
Stems/Trunks: beautiful bark exfoliates like curled paper, very light in color
Range/Origin: Sonoran desert of Mexico
Hardiness: frost sensitive, damaged in high twenties




tree bark
example of bark exfoliating
to reveal white trunk
aka Willard's acacia

beautiful tree, more photographs here coming soon

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This page was first created September 10, 2001 and last modified May 31, 2004.

Web page design and photographs by Toni Moore, Master Gardener
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