Extriplex
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Extriplex is a plant genus in the subfamily Chenopodioideae of the family Amaranthaceae. It was described in 2010 and comprises two species, that were formerly included in genus Atriplex. They are restricted to the California Floristic Province.
Extriplex is a plant genus in the subfamily Chenopodioideae of the family Amaranthaceae. It was described in 2010 and comprises two species, that were formerly included in genus Atriplex. They are restricted to the California Floristic Province. The chromosome numbers are n = 9 (haploid) and 2n = 18 (diploid). The genus Extriplex has been first described in 2010 by Elizabeth H. Zacharias (In: A Molecular Phylogeny of North American Atripliceae (Chenopodiaceae), with Implications for Floral and Photosynthetic Pathway Evolution. In: Systematic Botany 35 (4), p. 839-857). It was established to separate two species from genus Atriplex, that revealed to be phylogenetically distinct. The genus name was derived from the Latin prefix "ex" (= on the outside) plus the genus name Atriplex. The type species is Extriplex joaquinana. Extriplex belongs to the tribe Atripliceae in the subfamily Chenopodioideae of the family Amaranthaceae. The genus comprises two species: Extriplex californica (Moq.) E.H.Zacharias (Syn.: Atriplex californica Moq.) - California saltbush, California orach Extriplex joaquinana (A.Nelson) E.H.Zacharias (Syn.: Atriplex joaquinana A.Nelson) - San Joaquin saltbush, San Joaquin orach
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