Oaks of the World

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  Quercus galeanensis

C.H.Muller 1936 J. Arnold Arbor. 17: 173

Diagnosis here

Local names
Range Mexico (Nuevo Leon, Tamaulipas) ; 1200-2500 m;
Growth habit less than 3 m tall; dense shrub;
Leaves 2-3 cm long, 1-1.5 wide; persistent 2 years; thick and leathery; oblong, elliptical to oblanceolate; base truncate or subcordate, sometimes obtuse; apex pointed, aristate; margin slightly revolute, entire or with 1-3 pairs of bristled teeth near apex; lustrous green, glabrous above; slightly paler beneath with some axillary tufts, with some glandular hairs but without stellate trichomes; held verticaly ascending, somewhat appressed to vertical twigs; midvein raised above; 5-8 vein pairs, with few intermediate veins, flat above, prominent below, weakly anastomosing; epidermis papillose ; petiole more or less glabrous, 3-7 cm long;
Flowers female inflorescences 2-8 mm long, with 1-2 flowers;
Fruits acorn small (0.9 cm x 0.7-0.8), dark brown, stripped; singly ; sessile or nearly so; scattered in leaf axils; cup halfround, enclosing 1/2 of the nut; maturing in 1 year, in October;  

Bark, twigs and

twig thin (2-3 mm thick), with dense, stellate hairs at first, becoming hairless, sulcate; bud 2-3 mm long, 1-2 mm wide, ovoid or sometimes globose, with ciliate oval scales; lenticels not conspicuous.
Hardiness zone, habitat hardiness zone : 7; on dry slopes ;
Miscellaneous -- A. Camus : n° 370;
-- Sub-genus Quercus, section Lobatae, Series Erythromexicanae, Group Saltillenses (Q. acherdophylla, saltillensis, galeanensis);
-- Threatened (IUCN Red List Category : EN).

-- Related to Q. saltillensis.
-- Resembles Q. affinis, but the leaves of this species are mostly lanceolate, to elliptic;
-- Possible confusion with Q. depressa but this one has elliptical to elliptic-oboval, subcoriaceous leaves, and the base is rounded to cuneate.

Subspecies and