As I entered the Garden, one morning in September, a goldfinch was calling so persistently and with such anxious emphasis from the large sophora tree that I turned my steps that way to ascertain what could be the trouble.
"Birds in the Bush"
Bradford Torrey
Then there is the peculiar R. Pseud-Acacia tortuosa, of ungainly habit; R. Pseud-Acacia umbraculifera, with a spreading head; R. Pseud-Acacia sophoraefolia, the leaves of which resemble those of sophora japonica; and R. Pseud-Acacia amorphaefolia, with very large foliage when compared with the parent tree.
"Hardy Ornamental Flowering Trees and Shrubs"
A. D. Webster