Psorothamnus spinosus (Indigo Bush) is a species of tree in the family legumes. They have a self-supporting growth form. They are native to The Contiguous United States and North America. They have compound, broad leaves. Flowers are visited by Costa's Hummingbird, Lacertate sharpshooter, Honey bee, and Trachusa bequaerti. Individuals can grow to 7.9 m.
EOL has data for 21 attributes, including: