Hybrid
Quercus × diegoi
Synonyms (17)
Q.
fruticosa Lam. X Q.
pyrenaica Willd. Diagnosis : Arbor mediocris
4-6 m
cortice rimoso nigricante
ramis griseis pubescentis
ramulis petiolisque fuscescenti-tomentosis
foliis 3
5-6(7) x 1-3
5(4
2) cm
juvenilibus utrinque tomento denso crasso
adultis crassiusculis supra obscure virentibus multistellato-pubescentibus
subtus canescenti- et velutino-tomentosis
ovatis vel obovatis
breviter
petiolatis 4-9 mm tomentosis
basi rotundatis
lobulatis vel serratis
lobis lineari-lanceolatis obtusis vel acutiusculis
inter Quercus lusitanica et Quercus pyrenaica. Sterilis
Data from Oaks of the World
Geographic Range
Estremadura (Spain)
Growth Habit
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;
Additional Information
– Differs from Q. lusitanica (= Q. fruticosa ) in having a longer petiole (less than 4-5 mm in fruticosa ); – Differs from Q. pyrenaica in having smaller leaves with multistellate and fasciate hairs underneath (versus essentially fasciate in pyrenaica ), and a shorter petiole.
Wikipedia