Quercus dunnii, Dunn Oak, Palmer Oak. Pen and Ink on 3.5"x2.5" Bristol board
Quercus dunnii is a native of California, Baja California and Arizona. It is usually an evergreen shrub.
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;
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
Ref: http://oaks.of.the.world.free.fr/quercus_palmeri.htm
