General data | Classifications | List of species | Local names | Back to home page |
Quercus dinghuensis | |
Author | C.C.Huang 1978 Acta Phytotax. Sin. 16(4): 74 |
Synonyms | Cyclobalanopsis dinghuensis (C.C. Huang) Y.C.Hsu & H.Wei Jen 1993 |
Local names | ding
hu qing gang ; |
Range | China
(Guangdong, in the Dinghu Shan); to 1000 m ; |
Growth habit | reaches
8 m; |
Leaves | 8-9
x 2-2.5 cm; oblong elliptic; evergreen; apex rounded, base cuneate or
remotely rounded; margins entire and slightly revolute; at first very
tomentose, becoming glabrous; dark green above, grey green beneath; 12-13
vein pairs; petiole 1-1.5 cm; |
Flowers | |
Fruits | acorn
elliptic, 3-3.5 cm long, 1.7-2 cm wide; most often paired; enclosed 1/3
by cup; cup 1.8 cm long x 2-2.5 cm wide, glabrescent, hard, 4 mm thick,
with scales not denticulate in 4-5 concentric rings; |
Bark, twigs and |
young
shoot grey brown, sulcate, waxy, tomentose; older twig ash grey, hairless;
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Hardiness zone, habitat | broad-leaved evergreen forests, in mountains; |
Miscellaneous | -- Sub-genus Cerris, Section
Cyclobalanopsis; -- Threatened (IUCN Red List Category : CR) |
Subspecies and varieties |
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Pictures |
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