Oaks of the World

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  Quercus sororia

Liebm. 1854 Overs. Kongel. Danske Vidensk. Selsk. Forh. Medlemmers Arbeider 1854: 176 1854.

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Local names
Range Mexico (Durango, Guerrero, Jalisco, Mexico, Michoacan, Morelos, Nayarit, Oaxaca, Sinaloa) ; 1000-2300 m ;
Growth habit
Leaves 4.4-15 x 1.2-4.6 cm; lanceolate, elliptic or more often oblong; hairless; glaucous; margin entire, or remotely lobed or crenate;
Fruits acorn solitary, stalkless, with thick cup; cupscales with thickened base, and acute loosely appressed apex;

Bark, twigs and

young twigs hairless;
Hardiness zone, habitat
Miscellaneous -- Often considered as a synonym of Q. peduncularis, but S. Valencia and A. Coombes 2019 think it is a true species.

Subspecies and