Oaks of the World

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  Quercus motuoensis
Author C.C.Huang 1992
Synonyms Cyclobalanopsis motuoensis (Huang ) Y.C.Hsu & H. Wei Jen 1993
Local names mo tuo qing gang ;
Range China (SE Tibet) ; to 1700 m ;
Growth habit may reach 30 m tall;
Leaves 7-10 x 3-4 cm ; oblong to oval-elliptic; subleathery; concolorous; hairless; apex caudate; base rounded, slightly oblique; margin entire or weakly toothed near apex; midrib impressed adaxilly; 7-9 inconspicuous, slender vein pairs; petiole hairless, 1.5-2 cm long;
Flowers  
Fruits acorn globose 1.5 cm in diameter; hairless; singly or paired; apex depressed; enclosed 1/2 by cup; cup 1.5 cm wide, glabrous outside, silky inside, with 6 concentric rings of slightly denticulate scales; scar 4 mm wide, slightly convex; stylopodium persistent; maturing in 1 year;

Bark, twigs and
buds

twigs dark, sulcate, with many, round, whitish lenticels;
Hardiness zone, habitat not quite hardy; broad-leaves forests;
Miscellaneous - Sub-genus Cyclobalanopsis;
Subspecies and
varieties
 
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