Oaks of the World

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 Quercus oxyodon
AuthorMiQ.1863
Synonyms Cyclobalanopsis oxyodon (MiQ.) Oersted 1867
Cyclobalanopsis breviradiata Cheng ex Hsu & Wei Jen
Cyclobalanopsis lineata var. oxyodon (MiQ.) Schottky 1912
fargesii Franchet 1899
glauca var. lineata Franch.1899
lineata Bl. var. grandifolia Skan 1899
lineata var. oxyodon (MiQ.) Wenzig 1886
lineata var. fargesii (Franch.) Skan 1899
oxyodon var. fargesii (Franch.) Rehd.
& Wils. 1916
salicina var. orgyalis Hand.-Mazz. 1929
songtavanensis A.Camus 1948
Local namesman qing gang ;
Range Himalaya ( Nepal to Meghalaya ); Assam ; China (Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, SE Xizang, Yunnan, Zhejiang); Myanmar ; 1700-2800 m
Growth habitreaches 20 m tall; trunk short, crown spreading;
Leaves 10-20 x 3-8 cm; elliptic to oblong-lanceolate; evergreen or semi-evergreen; leathery, hard; apex pointed, base asymmetrically rounded or broadly cuneate; margin denticulate; green, glabrous above; whitish beneath at first with simple and stellate hairs, then glabrous and glaucous; 16-24 vein pairs; midrib impressed above, raised beneath; petiole 2.5-4 mm long;
FlowersMay-June; pistillate inflorescences 2-5 cm long; 3 styles; 
Fruits acorn 1.6-2 cm long, 1.3-1.7 cm in diameter,ovoid to subglobose; brown; glabrous; enclosed 1/2 by cup; cup 1.5-2 cm in diameter, tomentose outside, sericeous inside, very thin (less than 1 mm thick), with 6-8 dentate concentric rings; scar 8 mm in diameter, slightly convex; stylopodium thick, with 3-4 rings; maturing in 1 year;

Bark, twigs and
buds

young branchlets tomentose, becoming hairless;
Hardiness zone, habitat hardy (zone 8); valleys and slopes in mountains; all types of soils; cultivated in Great Britain;
Miscellaneous-- A. Camus : n° 17;
-- Sub-genus Cyclobalanopsis;
-- Section Glauca, sub-section Oxyodontes (Menitsky);
Subspecies and
varieties
-- Q.fargesi Franch.1899
= Q.lineata var. fargesii (Franch.) Skan 1899
= Q.oxyodon var. fargesii (Franch.) Rehd. & Wils. 1916
= Cyclobalanopsis lineata var. fargesii (Franch.) Schottky 1912
actually it is the type; differs from Q. oxyodon only in having cupule with entire, yellowish pubescent rings;
Pictures

drawing 1
drawing 2