Oaks of the World

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 Quercus morii
AuthorHayata 1911
SynonymsCyclobalanopsis morii (Hayata) Schottky 1912
Local namestai wan qing gang ;
RangeTaiwan, 1600-2600 m ;
Growth habit30 m tall, and more; trunk to 1 m in diameter;
Leaves 6-10 x 2.5-4 cm; oblong to oval-elliptic; leathery; apex caudate; base broadly cuneate or subrounded and slightly oblique; hairless on both surfaces (sometimes silky hairs on young leaves); margin serrate near apical half; midvein and secondary veins prominent abaxially, flat or slightly impressed adaxially; 8-11 vein pairs; tertiary veins slender, evident beneath; petiole hairless, 1.5-3 cm long;
Flowers April-May; 3 styles;  pistillate inflorescence 2-3 cm long, with 1 or 2 cups;
Fruits acorn ovoid to cylindrical, 1.5-2.5 cm long, 1-1.8 cm in diameter, seldom hairy; apex rounded; enclosed 1/2 by sessile, campanulate cup; cup 1.4-1.8 cm long, 1.5-2 cm in diameter, thin (1 mm), velutinous outside, tomentose inside, with 7-8 concentric rings (basal ones divergent from cupule wall, apical ones dentate) ; maturing in 2 years;

Bark, twigs and
buds

bark grey, scaly, broken into plates; twigs thick, glabrescent, with evident lenticels;
Hardiness zone, habitat not quite hardy (zone 8); in broad-leaves, evergreen, mountains forests;
Miscellaneous -- A. Camus : n° 57;
-- Sub-genus Cyclobalanopsis;
-- Section Acuta (Menitsky)
-- ralated (or variety ?) to
Q.acuta Thunb. (Camus : n° 56) ;
Subspecies and
varieties
 
Pictures

drawing