coast oak

Quercus parvula

Member of red oaks (section Lobatae)
high-latitude oaks (subgenus Quercus)
oaks (genus Quercus)
beech family (family Fagaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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• catkins clustered into groups
• leaf:
• 3–9 cm, roundish or lanceolate
• adaxially ± flat
• abaxially glabrous, generally ± dull, generally with > 5 pairs of lateral veins
• tip obtuse to acute or acuminate
• margin entire to spine-toothed
• petiole 2–25 mm, generally hairy adaxially and almost smooth abaxially
• nut distally ± rounded to obtuse (ignoring the little spine on the end)
• acorn cap bowl shaped, usually wider than deep
• evergreen
• uncommon

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: none

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

Bay Area species: iNaturalist – Calflora