|Quercus x alentejana|
|Author||C. Pinto Gomes & F.M.Vázquez 2015|
|Synonyms||marianica (pro nothosp.) X pyrenaica|
|Range||Portugal (Algarve, Baixo and Alto Alentejo, Estremadura); Spain (some small groups or isolated individuals in Badajoz and Huelva provinces);|
|Growth habit||tree to 35 m|
|Leaves||4-12 cm x 2-5; deciduous; leathery; lanceolate to oblong-lanceolate; plane; base cuneate; both sides pubescent, with underside various types of trichome: long, simple, fascicled, ramified (as in Q. pyrenaica, which lacks ramified hairs though, that are present in Q. marianica); margin serrate with frequent spiny or mucronate teeth; to 13 vein pairs, yellow beneath, green above; petiole pilose, coriaceous, green, 5-12 mm long;|
|Flowers||variable female inflorescences, with 1-9 flowers; peduncl 5-28 mm long;|
|Fruits||acorn elongate, pointed, reaching 3 cm long and 1.5 cm wide; cupscales appressed, hairy;|
Bark, twigs and
|bark dark, furrowed into plates; young twigs pubescent, soon becoming glabrous; bud globose, with pubescent, concave, brown scales;|
|Hardiness zone, habitat||hardy zone 7; sandy calcareous soils;|
|Miscellaneous||-- This taxon has inherited
from Q. pyrenaica the pubescent leaves beneath and the cupscales
; from Q. marianica the petiole and the foliar margin.
-- Hybrids with numerous local species, including Q. canariensis, Q. estremadurensis, Q. faginea, Q. suber.