Quercus wislizeni

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Interior live oak
Interior live oak twig with acorn.JPG
Leaves and acorn. The leaf margins are sometimes spiny rather than smooth.
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Section: Lobatae
Species: Q. wislizeni
Binomial name
Quercus wislizeni
A.DC. [1][2]
Quercus wislizeni range map 1.png
Natural range of Quercus wislizeni
Synonyms
List sources : [3][4][5][6]

Quercus wislizeni, known by the common names interior live oak,[2] and Sierra live oak,[2] is an evergreen oak, highly variable and often shrubby, found in areas of California in the United States. It also occurs south into northern Baja California in Mexico. It generally occurs in foothills, being most abundant in the lower altitudes of the Sierra Nevada, but also widespread in the Pacific Coast Ranges and the San Gabriel Mountains. It was named for its collector, Friedrich Adolph Wislizenus (1810–1889).[2]

It is a large shrub or tree[7] growing to 22 m tall. The dark-green leaves are usually small, 2.5-7 cm long and 2-5 cm broad, thick and often spiny-toothed, particularly on young trees. The flowers are catkins. The acorns are 1-2 cm long, and mature in about 18 months after flowering.

Some sources, e. g. Flora of North America,[7] mistakenly spell the epithet "wislizenii." Correct spelling is with one "i," per ICN article 60C.2.[8]

Ecology[edit]

The interior live oak is classified as a red oak (section Lobatae). Several hybrids between interior live oak and other red oak species have been documented, including coast live oak (Q. agrifolia), Nuttall's scrub oak (Q. dumosa), and California black oak (Q. kelloggii). All these oak species show evidence of introgression with one another. A common alliant tree is California buckeye (Aesculus californica).[9]

References[edit]

  1. ^  Q. wislizeni was first published and described in Prodromus Systematis Naturalis Regni Vegetabilis ... (DC.), 16(2.1): 67. 1864. "Plant Name Details for Quercus wislizeni". IPNI. Retrieved August 29, 2010. 
  2. ^ a b c d "Name - Quercus wislizeni A.DC.". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved August 9, 2010. "Collector: Wislizenius [sic] s.n.; Distribution: Mexico (Chihuahua)" 
  3. ^ "Name - Quercus wislizeni A.DC. synonyms". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved August 29, 2010. 
  4. ^  Q. parvula was published in Pittonia; a Series of Papers Relating to Botany and Botanists, 1: 40. 1887. Berkeley, California. "Plant Name Details for Quercus parvula". IPNI. Retrieved August 29, 2010. "Distribution: Santa Cruz Island" 
  5. ^  Q. parvula var. shrevei was published in Novon; a Journal for Botanical Nomenclature, 4(4): 392. (1994) St. Louis, Missouri. "Plant Name Details for Quercus parvula var. shrevei ". IPNI. Retrieved August 29, 2010. 
  6. ^  Q. shrevei was published in American Midland Naturalist; devoted to natural history, primarily that of the prairie states, xix. 587 (1938) "Plant Name Details for Quercus shrevei". IPNI. Retrieved August 29, 2010. 
  7. ^ a b Flora of North America, 2008
  8. ^ J. McMeill et al. (eds). 2012. International Code of Nomenclature for algae, fungi, and plants. Regnum Vegetabile 154. Koeltz Scientific Books. ISBN 978-3-87429-425-6
  9. ^ C.M. Hogan, 2008

External links[edit]