Cassia wislizenii A.Gray Palmerocassia wislizenii (A.Gray) Britton & Rose Senna wislizeni, commonly called Wislizenus' senna[1] or shrubby senna (formerly "cassia", but this generally refers to larger Cassiinae).

It is a desert plant with good heat and drought tolerance.

Senna wislizeni can reach ten feet (3 meters) tall with a ten-foot spread.

Sulphur butterflies use the plant as a larval food source.

[3] The species is named after F. A. Wislizenus, a botanist who studied Mexican flora in the mid-19th century.