Ironwood, Palo Fierro

• Scientific Name: Olneya Tesota
• Common Name: Ironwood, Palo Fierro
• References: Felger, R.S. and S. Rutman. 2015. Ajo Peak to Tinajas Altas: a flora of southwestern Arizona. Part 14. Eudicots: Fabaceae - legume family. Phytoneuron 2015-58: 1-83. Published 20 Oct 2015. ISSN 2153 733X
• References Url: https://www.cabezaprieta.org/flora_research/58PhytoN-SWAriz_Pt14Fabs.pdf#page=43
• Habitat: Washes, bajadas
• Life Form: Tree
• Leaf Description: Alternate pinnate
• Flower Color: Lavender or violet or purple
• Flowering Period: May to June
• Spines: Short curved spines
• Rarity: Common
• Family: Fabaceae (bean family)