|Quercus x numidica|
Bull. Soc. Bot. France 36 : 58
suber x afares
= x kabylica Trab. 1890
= x pseudosuber var. castaneifolia Wenz. 1884 nom. inval.
|Growth habit||tall tree, with the habit of Q. afares|
|Leaves||lately deciduous; resemble those of Q. afares, but slightly smaller and more coriaceous; reaching 10 cm long X 5 cm wide, with up to 10 veins pairs ; margin with shallow lobes ending in a short tooth; abaxially white tomentose;|
acorn maturing mostly second year, in November; cup-scales more or less recurved; less abundant than those of Q. afares.
Bark, twigs and
|corky bark on trunk and main branches;|
|Hardiness zone, habitat||forests of mountains, with the parents;|
-- Trabut has described 2 morphological forms for this
hybrid, depending on the dominant parent; when Q.
afares is dominant the leaves are like those of Q. afares
but the bark is strongly corky, and this form is Q. x numidica.