Quercus palmeri

Name: Quercus palmeri

Synonyms:  Quercus dunnii, Quercus chrysolepsis var. palmeri

Local Names:   Palmer's Oak, Palmer Oak, Dunn Oak

Acorn:    Acorn 2-3 cm long; oblong to spindle-shaped; having an abruptly projecting point (mucronate); enclosed 1/4 by cup; cup sessile or nearly so, thin, wider than nut, scales covered with orange tinged glandular hairs; maturing in 2 years, from August to October

Leaves:    The leaf of the Quercus dunnii is 1.2-5 x 1-3 cm; elliptic or rounded; leathery; not convex; with wavy margins , sometimes rolled backward or downward or rolled at the tip of the margins (revolute). It is the spiniest of the oak species with 3-9 sharp teeth each side. It is grey green and glabrous adaxially; yellowish green tomentose abaxially, with prominent veins; no stellate hairs below; 3-8 vein pairs; petiole 2-5 mm, round in cross section;

Range:    Quercus dunnii is a native of California, Baja California and Arizona. It is usually an evergreen shrub. Map

References:    (1) (2) (3) Illustrations: (4)

Additional Information on Quercus Palmeri:
www.calflora
www.naturesongs
www.plants.usda.gov

Additional information and links on the genus Quercus:
Plants List: Quercus
Oaks of The World 
Quercus images on Google
Oak images on Google
List of genus Quercus and subgenus Cyclobalanopsis
USDA Plant List Search: (Type Quercus)
eFlora - Quercus