Oaks of the World

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  Quercus fulva

Liebm. 1854 Overs. Kongel. Danske Vidensk. Selsk. Forh. Medlemmers Arbeider 1854: 183

Diagnosis here

Synonyms rosei Trel. 1924 Diagnosis here
Local names
Range Mexico (Coahuila, Jalisco, Sinaloa, Nayarit, Durango, Chihuahua); 1800 - 2900 m;
Growth habit 3-10 m; trunk 0.2-0.4 m in diameter;
Leaves 8-14 x 4-9 cm; deciduous; stiff, leathery; underside concave; broadly elliptic, oboval, or oblong-oboval; apex broadly rounded to subacute, aristate; base rounded or cordate; margin flat, usually entire or sometimes with 1-10 pairs of bristle-tips ; light grey-green above, slightly lustrous, glabrous except hairs at the base of midrib, with impressed veins; beneath woolly and tawny, with yellowish glandular hairs covered with a dense pubescence made of sessile, multiradiate, 10-25 rays trichomes 0.3 mm long, not easy to remove, and stipitate fasciculate hairs; veins prominent beneath, visible in spite of the hairs; when unfolding, both surfaces are tawny; epidermis bullate; 10-13 vein pairs straight or slightly curved, often slightly impressed above; petiole rusty pubescent, 1-2 cm long;
Flowers pistillate flowers 1-3 at the tip of a short, thick, tomentose peduncle;
Fruits acorn 8-12 mm; ovoid or subglobose; solitary or 2-3 together, on 1-1.5 cm long stalk; enclosed 1/2 by cup; cup shallow, 13-18 mm in diameter, with rolled under rim and pubescent scales widenned at base; maturing in 2 years;

Bark, twigs and

bark ridged, dark grey; twig 2-4 mm in diameter, densely yellow tomentose during several years; bud ovoid, pointed, pubescent, 2-5 mm long; stipules 4-6 mm long, linear, sometimes persistent around the terminal buds;
Hardiness zone, habitat not quite hardy;
Miscellaneous -- A. Camus : n° 303;
-- Sub-genus Quercus, section Lobatae, Series Erythromexicanae;
-- Can be confused with Q. crassifolia, but crassifolia has stalked trichomes abaxially, and numerous glandular, golden trichomes easy to remove. It may be confused as well with Q. macvaughii which has fascicled trichomes with 5-8 rays, and the rim of the acorn cup rolled inside.
-- Resembles as well Q. calophylla, which differs in having longer multiradiate hairs below (0,55 mm), no other type of non glandular trichomes below, the margin toothed, the rim of the acorn straight, the limb flat.

Subspecies and