Walker's suncup
Chylismia walkeri A.Nelson

Chylismia walkeri, known as Walker's suncup, is a species in the Onagraceae family. It was described by A. Nelson in 1913 and is native to several regions in North America, including Arizona, California, Colorado, Nevada, New Mexico, and Utah.
Description
Chylismia walkeri belongs to the genus Chylismia and is part of the Onagraceae family, commonly referred to as the evening primrose family. This species is distributed across multiple states in North America, specifically Arizona, California, Colorado, Nevada, New Mexico, and Utah. The species was first published in 1913 by A. Nelson. It is locally known as Walker's suncup in English.
Other common names
Walker's suncup
Distribution
North America · Arizona · California · Colorado · Nevada · New Mexico · Utah
Synonyms
Oenothera walkeriCamissonia walkeri