|Quercus x diegoi|
|Author||F.M. Vazquez, C. Pinto-Gomes & al. 2014|
|Synonyms||Q. fruticosa Lam. X Q. pyrenaica Willd.|
up to 6 m.
|Leaves||3,5-6 (-7) x 1-3,5(-4,2) cm, ovate to obovate, lobate or serrate, base and apex rounded, margin entire near base; young leaves pubescent adaxially; mature leaves glabrescent with multistellate hairs; abaxially greyish tomentose with numerous fasciate hairs, mixed with the same number of multistellate ones; simple hairs on veins; petiole tomentose, 4-9 mm long;|
|Fruits||sterile, without fruits;|
Bark, twigs and
|bark fissured, blackish; mature twigs glabrous, greyish; young twigs pubescent, covered with greyish fasciate trichomes;|
|Hardiness zone, habitat||rocky or clayish calcareous, moist soils;|
-- differs from Q. lusitanica (= Q.
fruticosa) in having a longer petiole (less than 4-5 mm in fruticosa);