What is "sophora tetraptera"

kowhai \kowhai\ n. A shrub or small tree ( Sophora tetraptera) of New Zealand and Chile having pendulous racemes of tubular golden-yellow flowers; it yields a hard strong wood.

Syn: Sophora tetraptera.

Sophora tetraptera, commonly known as large-leaved kōwhai, grows naturally only in the central east of the North Island in New Zealand. S. tetraptera has larger more widely spaced leaves than the other seven species of kōwhai.