General data | Classifications | List of species | Local names | Back
to home page |
Quercus hypargyrea | |
Author | (Seemen) C.C. Huang & Y.T. Chang 1992 Guihaia 12: 302 |
Synonyms | glauca var. hypargyrea Seemen
ex Diels 1900 multinervis (Cheng & Hong) Govaerts 1998 nom. illeg. stenophylla var hypargyrea (Seemen) A.Camus 1938 Cyclobalanopsis hypargyrea (Seem.)Y.C.Hsu & H.Wei Jen 1993 Cyclobalanopsis multinervis Cheng & Hong 1963 |
Local names | duo mai qing gang; |
Range | 1000-2000 m in China (S Anhui, Fujian, NE Guangxi, W Hubei, Hunan, Jiangxi, Shaanxi, E Sichuan ); often in pure stands; |
Growth habit | 12 m; rounded crown; |
Leaves | 7.5-15.5 x 2.5-5.5 cm ; evergreen; oblong-elliptic to elliptic-lanceolate; apex acute to acuminate; base cuneate or nearly rounded; margin apical 1/2 serrate, at the end of lateral veins; glossy green, hairless above ; grey green bloomy beneath, with simple hairs, then glabrescent; 10-15 vein pairs prominent below; petiole hairless, 1-2.7 cm long; |
Flowers | |
Fruits | acorn 1.8 cm long, 1 cm wide, paired or to 6 on a short peduncle ; cup thin (less than 1 mm thick), 8 mm long, 1-1.5 cm in diameter; with 6-7 concentric rings with margin nearly entire; scar 3-5 cm wide, flat or convex; stylopodium persistent; maturing in second season; |
Bark, twigs and |
branchlet sulcate, with lenticels; |
Hardiness zone, habitat | zone 7-8; |
Miscellaneous | -- Sub-genus Cerris, Section
Cyclobalanopsis; -- Closely related to Q.glauca, but in Flora of China, this taxon is a true species. |
Subspecies and varieties |
|
Pictures |
|