A native to Texas, New Mexico, and northern Mexico.  Tall evergreen shrub or tree with irregular dense branches and often several trunks.  Leaves are 2" long, dark green, glossy, thick and leathery.  They are alternate, once-pinnately compound, elliptic, obovate.  Bark is fissured, dark gray to black.  Fruit is a one to several-seeded persistant thick pod 2" to 8" long and ripen to revel the inner, bright red seeds, which are poisonous.  It has a slow growth rate.