Quercus oxyodon
Synonyms (2)
Geographic 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;
Common Names
Hardiness & Habitat
hardy (zone 8); valleys and slopes in mountains; all types of soils; cultivated in Great Britain;
Additional Information
ā A. Camus : tome 1, p. 216, n° 17; ā Sub-genus Cerris, Section Cyclobalanopsis; ā Section Glauca, sub-section Oxyodontes ( Menitsky );