The Engelmann Oak (Quercus engelmannii) is a beautiful rare oak native to Southern California. Suburban sprawl has eliminated these oaks from the majority of its native range.

Quercus engelmannii, the Engelmann oak or Pasadena oak, is a species of oak in the white oak section (Quercus sect. Quercus), native to Southern California and northwestern Baja California, Mexico. [3] [4]

Engelmann Oak is a drought tolerant and widely adaptable California native tree featuring bluish foliage, a classic oak growth habit, a moderate foliage density, and proven urban tolerance. With its evolutionary heritage in monsoonal northwestern Mexico, Engelmann oak is much more tolerant of summer irrigation (and summer precipitation if ...

[Wikipedia] Fossil Record Evidence for Wider Range: Fossil evidence shows that Engelmann oaks once had a wider range, extending through what is now the Mojave and Sonoran deserts into eastern California and Arizona.

Englemann Oak is generally found in mesas, savannas and woodlands above the dry coastal plain, but below 4200 feet, where colder winters prevail. It typically grows up-slope from Coast Live Oaks. One of the most spectacular remaining stands of these trees is in the Engelmann Forest near Lake Dixon in San Diego County.

Quercus engelmannii is native to southern California and is commonly known as Engelmann oak, Pasadena oak, or mesa oak. It occurs in the South Coast, south Channel Islands, San Gabriel Mountains, Peninsular Ranges, and San Jacinto Mountains floristic regions, and in …

2018年12月15日 · Engelmann Oak. Named after George Engelmann, a German-born American botanist, Quercus engelmannii is described in the Flora of North America as a small, sub-evergreen tree, to 10 m high. It also goes by the common name of mesa oak and Pasadena oak. It is closely related to Q. oblongifolia, as Dave Muffly reminded us.

Engelmann oak (Quercus engelmannii) is best known by superlatives, such as “the rarest tree-oak species in the United States” or “the most sensitive type of oak woodland in California.” Today, Engelmann oaks are found primarily in rare, scattered groves and are restricted to Southern California and northern Baja California west of the ...

Engelmann Oaks are probably the most imperiled of all tree oaks and are one of the most endangered natural plant communities in California. There are still some Engelmann Oak woodlands in San Diego County, and they steal the show on …

The Engelmann oak is a semi-evergreen tree that may be drought-deciduous during the summer. It can reach a height of 18 meters. It has the smallest range of any California oak, and typically occurs in interior foothills and woodlands from Southern California to northern Baja California.