Hesperidanthus linearifolius

Slimleaf Plains Mustard, Hesperidanthus linearifolius
Hillsboro Peak Trail, Black Range, New Mexico
October 17, 2017
Additional photographs of this species can be found on the
original Black Range website where it is listed as Schoenocrambe linearifolia.

Hesperidanthus is a genus of the west.  The species of the genus have very limited ranges.  H. linearifolius has the largest range of the species in the genus - see BONAP map to the right. The light green color on the map indicates that the species is native to, and not rare within, the county indicated.   In Mexico, the species is found in Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sonora, and Zacatecas.  Some sources use the scientific synonym, Schoenocrambe linearifolia for this species.  The plant was first described as Streptanthus linearifolius  by Asa Gray, Mem. Amer. Acad. Arts, n. s. 4: 7. 1849. There are currently five recognized species within the genus.  It generally flowers between July and November.

© Robert Barnes 2018