''Dirca occidentalis'', the western leatherwood, is a deciduous
shrub with leaves three to seven
centimeters
330px, Different lengths as in respect to the Electromagnetic spectrum, measured by the Metre and its deriveds scales. The Microwave are in-between 1 meter to 1 millimeter.
A centimetre (international spelling) or centimeter (American spellin ...
in length. Yellow flowers emerge prior to leafing. It grows on moist and shaded slopes. It is rare
and
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 the
San Francisco Bay area
The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Gov ...
of
California
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...
. Its closest relative, ''
Dirca palustris'', lives in the eastern half of North America.
Gallery
File:Dirca occidentalis.jpg, In flower, Arnold Arboretum of Harvard University
The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in No ...
accession #311-86*A
File:Dirca occidentalis flower detail.jpg, Flower detail
File:Dirca occidentalis flowers.jpg, Flowers
References
External links
''Dirca occidentalis'' images at the Arnold Arboretum of Harvard University Plant Image Database*Friedman, William (Ned)
"As good as gold (well better actually)".''Posts from the Collections'', Arnold Arboretum of Harvard University website, 28 March 2020. Accessed 30 April 2020.
*
Jepson Manual Onlinebr>
''Dirca occidentalis'' A. Gray
Thymelaeoideae
Endemic flora of California
Endemic flora of the San Francisco Bay Area
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