Crucifixion Thorn Flowers Fruit detail of Canotia holacantha, along US 93, Joshua Tree Forest Parkway, southwestern Yavapai Co. Canotia holacantha photo  by Michael Plagens
Common Name Canotia, Crucifixion thorn
Latin Name Canotia holacantha
Native Habitat Sonoran and Mojave Deserts at 2,000 to 4,000 feet
Soil Dry, decomposed granite, sand, low organic content, well drained
Water None to once per month
Height X Width Maximum 20 X 15 feet with 12 inch trunk, usually 12 feet X 8 feet
Protective Mechanism Spine-tipped branches
Leaves Green scales
Garden Suitability Songbird
Ornamental Value Evergreen texture of branching
Nature Value Cover for nesting birds
Native American Uses None known
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  High pollinator.  Not recommended for persons with allergies or asthma.