| Quercus disciformis | |
| Author | Chun & Tsiang 1947 J. Arnold Arbor. 28: 324 |
| Synonyms | Cyclobalanopsis disciformis (Chun
& Tsiang) Y.C.Hsu & H.Wei Jen 1979 shingjenensis Y.T.Chang 1966 Acta Phytotax. Sin. 11: 255 |
| 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 |
twigs
velutinous at first, becoming hairless; |
| Hardiness zone, habitat | not
hardy; broad-leaved evergreen forests, in mountains; |
| Miscellaneous | -- Sub-genus Cerris, Section
Cyclobalanopsis; -- Related to Q. asymetrica; -- Threatened (IUCN Red List Category : EN) |
| Subspecies and varieties |
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| Pictures |
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