| Quercus oxyodon | |
| Author | MiQ.1863 Ann. Mus. Bot. Lugduno-Batavi 1: 114 |
| 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 names | man 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 habit | reaches 20 m tall; trunk short, crown spreading; |
| Leaves | 8-20 x 3-8 cm; evergreen or semi-evergreen; leathery, hard; elliptic to oblong-lanceolate; apex pointed, base asymmetrically rounded or broadly cuneate; margin denticulate from tip to base, or nearly so; green, glabrous above; whitish beneath at first with simple and stellate hairs, then glabrous and glaucous; 12-20 vein pairs and midrib impressed above, raised beneath; petiole 2.5-4 mm long; |
| Flowers | May-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; sessile; clustered on a spike 2-4 cm long; 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 |
young branchlets tomentose, soon becoming hairless; numerous lenticels |
| 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 Cerris, Section 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 |
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