The genus was established in 2019 as a result of a molecular phylogenetic study, and includes species formerly placed in Millettia or Callerya.

The standard or banner petal is white, sometimes with a greenish, pink or purple flush, and has a yellow or green nectar guide inside.

The wing and keel petals are equal in length, 5–13 mm (0.2–0.5 in) long, with a prominent claw at the base.

[2] The genus Wisteriopsis was established in 2019 as a result of a molecular phylogenetic study of genera related to Callerya.

[2] As of January 2023[update], Plants of the World Online accepted five species:[1] Wisteriopsis species are native to eastern temperate and tropical Asia: central and southeastern China, Hainan, Japan, Korea, Laos, the Ryukyu Islands, Taiwan, Thailand and Vietnam.