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Quercus gambleana | |
Author | A.Camus 1933 Bull. Soc. Bot. France 80: 354 |
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 |
twig tomentose at first, becoming glabrous, with numerous, raised, brown lenticels; |
Hardiness zone, habitat | hardy ? ; |
Miscellaneous | -- A. Camus = n° 18; -- Sub-genus Cerris, Section 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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