Shreve Oak, Quercus parvula var. shrevei

About Shreve Oak (Quercus parvula var. shrevei) 3 Nurseries Carry This Plant

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Quercus parvula var. shrevei, or Shreve Oak, is an evergreen red oak found in the California Coast Ranges from Santa Barbara County north to Mendocino County. It was taxonomically combined with Quercus wislizeni until resurrected as a separate species by Kevin Nixon in 1980. Recent work suggests Q. parvula var. parvula to be Q. parvula var. shrevei x Q. wislizeni.

It generally occurs in foothills where it is common in the low elevations. It is a large shrub or tree growing to 22 meters (73 feet) tall, although it seldom exceeds 10 meters (33 feet). The dark-green leaves -appearing grayish from a distance. Leaves are usually small, 2-5 cm (0. 8-2. 0 inches) long, thick, and often spiny-toothed at higher elevations. All California red oaks show evidence of introgression and/or hybridization with one another.

Plant Description

Plant Type

Tree

Size

56 - 72.2 ft tall

Dormancy

Evergreen

Flower Color

Cream, Green

Flowering Season

Spring

Wildlife Supported

Many insects are attracted to Oaks generally, including the following butterflies which use Oaks as host plant: California Sister, Propertius Duskywing, Mournful Duskywing, Golden Hairstreak, and Gold-Hunter's Hairstreak.
Bird gardens

Butterflies & moths hosted ( 149 likely * ) SHOW ALL

Western Tiger Swallowtail Papilio rutulusPapilio rutulus

Lorquin's Admiral Limenitis lorquiniLimenitis lorquini

California Sister Adelpha californicaAdelpha californica

Propertius Duskywing Erynnis propertiusErynnis propertius

California Hairstreak Satyrium californicaSatyrium californica

Golden Hairstreak Habrodais grunusHabrodais grunus

Mournful Duskywing Erynnis tristisErynnis tristis

Landscaping Information

Sun

Full Sun, Part Shade

Moisture

Low

Nurseries

Carried by 3

Ease of Care

Moderately Easy

Common uses

Bank Stabilization, Bird Gardens, Butterfly Gardens

Sunset Zones?

5, 7, 8, 9*, 14*, 15*, 16*, 17*, 18, 19*, 20*, 21*, 22*, 23*, 24*

Natural Setting

Site Type

Slopes

Climate

Annual Precipitation: 11.6" - 81.4", Summer Precipitation: 0.16" - 1.35", Coldest Month: 40.7" - 53.0", Hottest Month: 57.1" - 77.4", Humidity: 0.46" - 26.64", Elevation: -104" - 4957"

Alternative Names

Common Names: Shreve's Oak

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Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links: Jepson eFlora Taxon Page CalPhotos Wikipedia Calflora

Shreve Oak

Quercus parvula var. shrevei

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Shreve OakQuercus parvula var. shrevei

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Shreve Oak

Quercus parvula var. shrevei