Common Name: 
Ironwood

A monotypic genus, meaning it is made up of a single species, Olney tesota, Ironwood or Desert Ironwood.  The genus was named by Asa Gray to honor his friend Stephen Thayer Olney (1812-78), a business man and botanist of Rhode Island.

Pronunciation: 
OL-nee-yuh
Family: 
Fabaceae