toza var. pyrenaica (Willd.) Wenz. 1886
toza Gillet ex Bosc 1792, nom. inval.
tauza Desf. 1815
tauzin Pers. 1807
stolonifera Lapeyr. 1813
humilis DC in Lam. 1805, nom. illeg.
|Local names||Chêne des Pyrénées; chêne tauzin; roble melojo; rebollo; quejigo;|
|Range||Atlantic Coast (France, Spain, Portugal, Morocco); 400-1600 m;|
|Growth habit||to 40 m tall, with trunk 0.8 m in diameter; trunk twisted; crown open, domed;|
8-20 x 4-12 cm; deciduous; thick, pubescent; oblong, pinnatifide; apex slightly pointed; base cuneate; 6 pairs (and more) of irregular, lobulate lobes, deep narrow sinuses reaching halfway to the midrib ; grey green or greyish; covered above with fasciculate hairs; whitish fasciculate hairs beneath (stalk 40-6 µm, 4-8 rays 500-1000 µm long) ; 4-9 pairs of secondary sinuous veins, diverging at more than 37° from midrib ; midrib strongly raised underneath; petiole densely hairy, 0.8-2 cm long;
cm), numerous, rich yellow male catkins in May;
female catkins short, few-flowered;
|Fruits||acorn small, ovoid oblong; 2 to 4 on a peduncle to 3 cm long, or sessile; enclosed 1/3 by cup; cup pubescent, with pointed, appressed scales; maturing in 6 months in October-November;|
Bark, twigs and
|bark grey deeply furrowed into small square scales; twigs reddish green, densely pubescent when young, becoming grey green; buds ovoid pale brown, hairy;|
|Hardiness zone, habitat||hardy; prefers acidic soils, even poor and dry; long lived;|
A.Camus n° 127
-- very rare outside its typical range;
-- the natural hybrids of Q. pyrenaica are : Q. x andegavensis, Q. x cantabrica, Q. x diosdadoi, Q. x firmurensis, Q. x fontqueri, Q. x paui, Q. x trabutii, Q. x welwitschii
1/ Several forms and varieties are described in Spain :
2/ The taxon Q. pubescens subspecies palensis (Palassou) O.Schwarz 1936, considered by Govaerts & Frodin as synonym of Q. pyrenaica, is for C. Vicioso a hybrid between Q. pubescens and Q. cerrioides.