Oaks of the World

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  Quercus gaditana
Author

F.M.Vàzquez, C.Pinto-Gomes & C.Vila-Viçosa 2014

Diagnosis : Foliis ellipticis vel lanceolate-oblongis, cuneato-attenuatis, dentato-serrata, dentibus acutis, adulta subtus glauco-tomentella, petiole longus (>0,8 cm), cupulae turbinatae, squamis ovato-suborbicularibus, acuminates, dorso valde gibbis ; glande parva, ovate vel ellip- tica, apiculo glaberrimo vel tomentose.

Synonyms hispanica Lam. "chêne de Gibraltar" 1785 inv. nom.
aegilopifolia Boiss. exEndl. 1848 inv. nom.
Local names  
Range 1600-1800, South Spain near Ronda; Portugal; Algeria;
Growth habit 9-15 m, sometimes more; branched, crooked trunk;
Leaves 1,5-8 x 1-5 cm; marcescent; somewhat leathery; ovate lanceolate to oblong lanceolate; narrow, sometimes convex; apex variable, acute or sometimes obtuse with mucro; base rounded, often asymmetrical, sometimes auricled; margin denticulate to serrate, teeth acute or obtuse and mucronate; adaxially glabrous; abaxially glaucous with a dense tomentum made of trichomes stellate, fascicled and multi-stellate appressed, with rays 12-20 µ long; 7-14 vein pairs, not parallel, irregular, prominent underneath; sinusal veins present; petiole 4-11 mm long, tomentose.
Flowers male catkins 2-4 cm, male flowers with perianth showing acute lobes;
Fruits

acorn oblong, nearly fusiform, 1.5-4 x 0.6-2 cm; solitary or several together on a 0.6-1.5 cm long peduncle; cup with narrow scales, raised, tomentose, enclosing 1/4 to 3/4 of the acorn.

Bark, twigs and
buds

bark smooth and silver grey at first, becoming fissured with age; young twigs yellowish tomentose, then pubescent, ending glabrous and rough; bud ovoid;
Hardiness zone, habitat prefer calcareous soils, and areas fresh, moist, North facing.
Miscellaneous -- for Govaerts & Frodin, it is a synonym of Q. faginea subsp faginea.
Subspecies and
varieties
 
Pictures

See picture on this website : https://www.flickr.com/photos/helicongus/22196315660 ;