tanoak

Notholithocarpus densiflorus

Member of beech family (family Fagaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

There are no other wild species of this genus anywhere.

There are no other wild members of this species in the bay area.

Hosts tanoak galls.

tanoak
Notholithocarpus densiflorus var. densiflorus

tanoak
Notholithocarpus densiflorus var. densiflorus

tree up to 100 feet tall (but can be young or stunted, of course)
leaf generally serrate, prominently veined abaxially
acorn cap bristled or spiked
frequently found in redwood forests
common

bush tanoak
Notholithocarpus densiflorus var. echinoides

shrub up to 10 feet tall
leaf entire to few-toothed, obscurely veined abaxially
not present in the bay area

1 observed taxon / 1 unobserved taxon / 1 key

Chris’s observations: 16 (all are research grade)

Locations:

El Corte de Madera OSP: 5
Bear Creek Redwoods OSP: 3
Big Basin SP: 2
Sanborn CP: 2
Castle Rock SP
Mt. Madonna SP
Portola Redwoods SP
Skyline Ridge OSP

Months:

Feb.: 1
Mar.: 0
Apr.: 0
May: 1
Jun.: 3
Jul.: 5
Aug.: 3
Sep.: 1
Oct.: 0
Nov.: 2

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

Bay Area species: iNaturalist – Calflora