Crucifixion-Thorn, Corona De Cristo

• Scientific Name: Castela Emoryi
• Common Name: Crucifixion-Thorn, Corona De Cristo
• References: Felger, R.S. and S. Rutman. 2015. Ajo Peak to Tinajas Altas: Flora of Southwestern Arizona Part 19. Eudicots: Polygalaceae to Simmondsiaceae. Phytoneuron 2016-47: 1-71. Published 23 June 2016. ISSN 2153 733X
• References Url: https://www.cabezaprieta.org/flora_research/47PhytoN-SWArizPt19Poly-Simm.pdf#page=64
• Habitat: Valleys
• Life Form: Tree
• Leaf Description: Usually leafless
• Flower Color: Greenish or green yellow
• Flowering Period: Jun. To Jul.
• Spines: Thorns
• Rarity: Locally common
• Family: Simaroubaceae (quassia family)