canyon live oak

Quercus chrysolepis

Member of golden oaks (section Protobalanus)
high-latitude oaks (subgenus Quercus)
oaks (genus Quercus)
beech family (family Fagaceae)
dicots (class Magnoliopsida)
other colors in flowering plants

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• leaf:
• 3–6 cm, leathery, roundish
• adaxially dark green
• abaxially golden-puberulent, easily wiped away with a finger to reveal the blue-green leaf, glabrous in age, dull, ± gray
• tip acute to abruptly pointed
• margin entire or spine-toothed
• acorn nut shell ± woolly inside
• evergreen
• common
• parasitized by round leaf gall wasp (Heteroecus flavens) (maybe), golden gall wasp (Heteroecus melanoderma), woolly gall wasp (Heteroecus dasydactyli)

Toxicity of acorn, oak (Quercus spp.):
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.
3 – Ingestion of these plants is expected to cause nausea, vomiting, diarrhea and other symptoms that may cause illness but is not life-threatening.

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Chris’s observations: 2 (1 is research grade)

Locations:

• Long Ridge OSP
• Yosemite NP

Months:

• May: 1
• Jun.: 0
• Jul.: 0
• Aug.: 0
• Sep.: 1

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora