New Mexican Locust
Native to (or naturalized in) Oregon:
- Broadleaf deciduous shrub or small tree to 25 ft (~ 7.5 m) high; produces root suckers and forms dense thickets. Bark is light gray-brown, shallowly furrowed, with scaly flat ridges. Stems zigzag, somewhat angled or ridged, reddish hairs, stout spiny, a pair of spines ("thorns") at each leaf scar. Leaves alternate, pinnately compound (odd-pinnate), 15-20 cm long, with 11 to 19 elliptical leaflets each 2.5-4 cm long, margins entire, green above. Flowers pea-type, pale rose to nearly white, in short, drooping clusters. Fruit pod-like, flat pod, brown, 5-10 cm long, smooth but covered in gland tipped hairs.
- Hardy to USDA Zone 5 Native range extends from extreme southeastern Nevada and California, across southern Utah and Colorado to west Texas and south through Arizona and New Mexico and into northern Mexico.