Rupertia hallii
 Rupertia hallii is a species of flowering plant in the legume family known by the common name Hall's California tea or Hall's rupertia. It is endemic to California where it is known only from a small section of the northern Sierra Nevada foothills on the border between Butte and Tehama Counties. It is a perennial herb approaching a meter in height with slender leafy branches. The leaves are each made up of three lance-shaped or oval pointed leaflets measuring up to 9 centimeters long.