Family ³

Description ⁴

Blue oak is a deciduous tree with a rounded crown and grows from 6-20 m. high. The gray bark is shallowly checked into small thin scales. The leaves are shallowly lobed and blue-green above. The acorns mature in one year, are oval, and have slightly tubercled scales.

Community ³

Foothill Woodland

Flowering ³

Mar- May

Ethnobotany ³

California's blue oak provided many resources to California Indian people including medicine, dyes, utensils, games, toys, and construction materials. For more information go to : http://herb.umd.umich.edu/herb/search.pl?searchstring=Quercus+douglasii

Garden Location ³

L

Associated species ³

"Mournful Duskywing Erynnis tristis (host) BMNA

• California Sister Adelpha bredowii (host) ASB
• Propertius Dusky-Wing Erynnis propertius (host) ASB
• Mournful Dusky-Wing Erynnis tristis (host) ASB
• Gold-Hunter's Hairstreak Satyrium auretorum (host) ASB"

Sources and Credits

1. (c) Jill Matsuyama, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/48496790@N00/3894772913
2. (c) gillian360, all rights reserved, uploaded by gillian360
3. (c) gillian360, some rights reserved (CC BY-SA)
4. Public Domain, http://eol.org/data_objects/1392345

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

iNat Map