Hesperidanthus linearifolius

Slimleaf Plains Mustard, Hesperidanthus linearifolius
Hillsboro Peak Trail, Black Range, New Mexico
October 17, 2017

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.  Currently, 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.  The current (Hesperidanthus linearifolius) definition was made by Per Axel Rydberg.  There are currently five recognized species within the genus.  It generally flowers between July and November.

The Native American Ethnobotany Data Base lists two uses of this species, by the Navajo (ceremonial eyewash, mouthwash for sore gums).There are currently five recognized species within the genus.  It generally flowers between July and November.

This species has at least 21 scientific synonyms, including; Hesperidanthus linearifolius, Sisymbrium linearifolium, Streptanthus linearifolius, Pachypodium linearifolium, and Thelypodiopsis lineraifolia.  Other Common English names include Mountain Mustard and Hesper Mustard.


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Carbonate Creek, Black Range
Immediately above and all below.

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© Robert Barnes 2018