Oaks of the World

General data Classifications List of species Local names Back to
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  Quercus disciformis
Author Chun & Tsiang 1947
Synonyms Cyclobalanopsis disciformis (Chun & Tsiang) Y.C.Hsu & H.Wei Jen 1979
shingjenensis Y.T.Chang 1966
Local names die dou qing gang ;
Range China (Hainan, Guizhou, Guangxi, Guangdong ) ; 200-1500 m ;
Growth habit reaches 10-14 m and more;
Leaves 6-13 x 2.5-4 cm; oblong; subleathery; hairless; base remotely cuneate, apex pointed, magin sharply dentate; 11-13 pairs of curved, thin, conspicuous lateral veins; petiole2 cm, tomentose when young;
Flowers March-April;
Fruits acorn globose, 2 cm in diameter; apex flat; cup tomentose with 8-10 concentric rings, covering only base of nut; matures in 2 years;

Bark, twigs and
buds

twigs velutinous at first, becoming hairless;
Hardiness zone, habitat not hardy; broad-leaved evergreen forests, in mountains;
Miscellaneous -- Sub-genus Cyclobalanopsis;
-- Related to Q. asymetrica;
Subspecies and
varieties
 
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