Robinia neomexicana, the New Mexican, New Mexico, Southwest, desert, pink, or rose locust), is a shrub or small tree in the subfamily Faboideae of the family Fabaceae
New Mexico locust is a native rhizomatous, small tree or shrub that
grows from 3 to 26 feet (4-8 m) tall with a diameter of 4 to 8 inches
(10-20 cm) . It has a dense crown and thin bark. New Mexico locust has many stout spiny branches with pinnately
compound leaves that are 6 to 8 inches (15-20 cm) long . Flowers
hang in dense clusters . The fruit is a hairy legume about 3 inches
(7.6 cm) long containing several seeds.Robinia neomexicana grows to 5โ10 m tall (rarely to 15 m) with bristly shoots. The leaves are 10โ15 cm long, pinnate with 7โ15 leaflets; they have a pair of sharp, reddish-brown thorns at the base. The flowers are showy and white or pink, and considered fragrant. Blooms are produced in spring or early summer in dense racemes 5โ10 cm long that hang from the branches near the ends.The fruits are brown bean-like pods with bristles like those on the shoots.[