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''Malacothamnus davidsonii'' is a species of flowering plant in the
Malacothamnus Volume 2: A Phylogenetic Assessment of Taxonomic Boundaries in the Genus Malacothamnus (Malvaceae).
/ref>Morse, K. 2023
Malacothamnus Volume 3: A Revised Treatment of the Genus Malacothamnus (Malvaceae) Based on Morphological and Phylogenetic Evidence.
/ref>
Identification guide to ''Malacothamnus'' with maps and photos Calphotos image gallery for ''Malacothamnus davidsonii''
{{Taxonbar, from=Q16985095 davidsonii Endemic flora of California Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of Los Angeles County, California Critically endangered flora of California
''Malacothamnus davidsonii'' is a species of flowering plant in the mallow family
Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar o ...
known by the common names Tujunga bushmallow and Davidson's bushmallow. It is endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to Los Angeles County, California
Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is th ...
, where it primary occurs in and near Big Tujunga Canyon, Little Tujunga Canyon, and Tujunga Wash. The common name Tujunga bushmallow alludes to its geographic distribution. Plants of what has historically been considered ''Malacothamnus davidsonii'' from Monterey and San Luis Obispo counties in California were described as the new species '' Malacothamnus discombobulatus'' in 2023 based on phylogenetic, morphological, and geographic evidence.Morse, K. 2023Malacothamnus Volume 2: A Phylogenetic Assessment of Taxonomic Boundaries in the Genus Malacothamnus (Malvaceae).
/ref>Morse, K. 2023
Malacothamnus Volume 3: A Revised Treatment of the Genus Malacothamnus (Malvaceae) Based on Morphological and Phylogenetic Evidence.
/ref>
Identification
''Malacothamnus discombobulatus'' and ''M. davidsonii'' are generally separated from the rest of ''Malacothamnus'' based on the combination of relatively short calyx bracts, relatively long stellate trichome rays, often relatively large size of the fully grown plant, and a relatively late blooming period. ''Malacothamnus discombobulatus'' and ''M. davidsonii'' are most easily distinguished from each other based on their geographic ranges.See also
*California chaparral and woodlands
The California chaparral and woodlands is a terrestrial ecoregion of southwestern Oregon, northern, central, and southern California ( United States) and northwestern Baja California ( Mexico), located on the west coast of North America. It ...
— ''ecoregion''.
* Flora of the California chaparral and woodlands
References
External links
Identification guide to ''Malacothamnus'' with maps and photos
{{Taxonbar, from=Q16985095 davidsonii Endemic flora of California Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of Los Angeles County, California Critically endangered flora of California