Oaks of the World

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  Quercus x jolonensis
Author Sarg. 1918 Bot. Gaz. 65: 456
Synonyms douglasii x lobata
Local names
Range California
Growth habit 20-30 m; large, dense crown;
Leaves deciduous; smaller and usually less deeply divided than in Q. lobata; dark green to bluish obove; pale green underneath;
Flowers
Fruits maturation first year;

Bark, twigs and
buds

bark slightly and regularly cut into small square plates;

Hardiness zone, habitat prefers deep sandy soils, in sunny and warm places;
Miscellaneous

-- Section Quercus;
-- Differs from lobata in having shallowy fissured bark versus deeply, and a blue foliage;
-- Named after Jolon, a town in the County of Monterrey
-- Quite rare

 

 
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