Peritoma arborea var. angustata
Novon 17: 449. 2007.
Basionym: Isomeris arborea var. angustata Parish Muhlenbergia 3: 128. 1907
Synonyms: Isomeris arborea var. insularis Jepson
Treatment appears in FNA Volume 7. Treatment on page 206.
Revision as of 22:53, 16 December 2019 by FNA>Volume Importer
Capsules not inflated, narrowly fusiform (long-attenuate at both ends).
Phenology: Flowering summer.
Habitat: Hillsides, grasslands, desert washes and flats, roadsides
Elevation: 0-1300 m
Distribution
Ariz., Calif., Mexico (Baja California, Colima, Sonora).
Discussion
Variety angustata is found in the Colorado and Mojave deserts and in western and northwestern Mexico, including offshore islands (e.g., Revillagigedo Islands). Plants with particularly narrow capsules from Cedros Islands (Baja California) have been distinguished as var. insularis.
Selected References
None.
Lower Taxa
None.