Oaks of the World

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  Quercus gambleana
Author A.Camus 1933
Synonyms Cyclobalanopsis gambleana (A.Camus) H.C.Hsu & H.Wei Jen 1976
Cyclobalanopsis dulongensis Li & H.C.Hsu 1992
Cyclobalanopsis nanchuanica (C.C.Huang) Chang 1996
Cyclobalanopsis oxyodon (MiQ.) Oerst. var. tomentosa Hu
nanchuanica C.C.Huang 1992
Local names mao man qing gang
Range S.W.China (Guizhou, Hubei, Sichuan, Yunnan, Xizang); Assam, Bangladesh; 1100-3000 m;
Growth habit reaches 20 m tall;
Leaves 12-20 x 2.5-5 cm; oblongues-elliptic à elliptic-anceolate ; base rounded or broadly cuneate) ; apex acuminate; densely tomentose beneath with stellate hairs; margin serrate; midrib prominent beneath; 16-24 vein pairs; tertiary veins obscure beneath; petiole greyish stellate tomentose, 3-4 cm long;
Flowers April-May; female inflorescences axillary, solitary; tomentose, 1 cm long;
Fruits acorn 1.5 cm in diameter, 2 cm long; ovoid to ellipsoid; aging glabrous; enclosed 1/2 by cup; cup bowl-shaped, 1 cm long, 1.5-1.8 cm wide, outside tomentose, inside sericeous, with 5-7 concentric rings of scales with margin denticulate;scar 8 mm in diameter, slightly convex; maturing in 1 year;

Bark, twigs and
buds

twig tomentose at first, becoming glabrous, with numerous, raised, brown lenticels;
Hardiness zone, habitat hardy ? ;
Miscellaneous -- A. Camus = n° 18;
-- Sub-genus Cyclobalanopsis;
-- Today's Authors think that Q. ningangensis is actually a synonym of Q. gambleana.
-- Related to Q.oxyodon
Subspecies and
varieties
 
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