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The Jepson Manual is a flora of the vascular plants that are either native to or naturalized in California. Botanists often refer to the book simply as Jepson. It is produced by the University and Jepson Herbaria, of the University of California, Berkeley. [1] Its second edition is the basis of the online Jepson eFlora.
It was founded by Willis Linn Jepson in 1950, and named after him. [7] The Jepson Herbarium supports the Jepson eFlora, a taxonomic database that builds on and expands the second edition of The Jepson Manual. It describes itself as "the foremost authority on the native and naturalized vascular plants of California". [8]
Of California's total plant population, 2,153 species, subspecies, and varieties are endemic and native to California alone, according to the 1993 Jepson Manual study. [4] This botanical diversity stems not only from the size of the state, but also its diverse topographies , climates, and soils (e.g. serpentine outcrops ).
Coastal strand is a plant community of flowering plants that form along the shore in loose sand just above the high tide line. Many plants that grow in this area are endemic to the strand. The community has low species diversity because so few plants can tolerate the harsh conditions of high winds, battering salt spray, and extreme high ...
The Jepson Manual: Higher Plants of California. University and Jepson Herbaria. University and Jepson Herbaria. Template documentation [ view ] [ edit ] [ history ] [ purge ]
University of California Press, 1940. Hickman, James C., editor. The Jepson Manual: Higher Plants of California. University of California Press, 1993. Hultén, Eric. Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants. Stanford University Press, 1968. Radford, Albert E. Manual of the Vascular Flora of the Carolinas.
Quercus × morehus, [3] Abram's oak in Kellogg's original description [4] (later called oracle oak by Jepson [5]), is a named hybrid between the red oaks Quercus kelloggii (California black oak) and Quercus wislizeni (interior live oak). [6]
This description comes from the 2nd edition Jepson Manual: Vascular Plants of California. [7]Diplacus douglasii is a diminutive annual herb that produces a magenta flower. . The overall stature of the plant is very small, varying in height from 0.3 – 4 centimeters t