|C. arborescens is a large deciduous shrub reaching 15-20 feet in height, 12-18' spread. Growth habit is sparsely branching and oval, can be trained into a tree. The compound pinnate pea-like foliage is bright green in the summer, yellowish green in the fall. Pale yellow flowers are 3/4 inch long, borne in singles or clusters of up to four, on last year's wood. The fruit is a 2" pod, maturing in late summer, makes a crackling, popping sound as it opens. Occasional leaf hoppers chew on young plants. It makes an excellent hedge, screen, or windbreak, and is a very hardy adaptable nitrogen fixing plant which is good for difficult areas. Native to Siberia and Mongolia. Various cultivars have been developed.