southwestern ringstem
Anulocaulis leiosolenus (Torr.) Standl.

Anulocaulis leiosolenus (Torr.) Standl., commonly known as southwestern ringstem, is a plant species in the family Nyctaginaceae. It is native to the southwestern United States and northern Mexico, occurring in Arizona, Nevada, New Mexico, Texas, and Mexico Northeast. The species was first described in 1909.
Description
Anulocaulis leiosolenus is a member of the Nyctaginaceae family and is found in arid regions of the southwestern United States and northern Mexico. It is distributed across Arizona, Nevada, New Mexico, Texas, and the northeastern part of Mexico. The species was published in 1909 and is one of several plants in the genus Anulocaulis. Its common name, southwestern ringstem, reflects its geographic occurrence and morphological features.
Other common names
southwestern ringstem
Distribution
Arizona · Mexico Northeast · Nevada · New Mexico · Texas
Synonyms
Anulocaulis leiosolenus var. lasianthusAnulocaulis leiosolenus var. leiosolenus

