Oaks of the World

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  Quercus championii
Author Benth. 1854 Hooker's J. Bot. Kew Gard. Misc. 6: 113 1854.
Synonyms Cyclobalanopsis championii (Benth.) Oerst. 1867
Local names ling nan qing gang
Range Taiwan ; China (Fujian, Guangdong, Guangxi, Hainan, Yunnan ) ; 100 - 1700 m ;
Growth habit reaches 20 m, trunk to 1.2 m in diameter; only to 8 m in cultivation;
Leaves 3.5-12 x 2-4.5 cm; crowded towards branchlet apex; oboval to oblong-elliptic; apex rounded with a short point, base cuneate; leathery, stiff; brightly green, glabrous above; pale brown tomentose beneath with stellate hairs; margin entire, révolute, sometimes ondulate near apex; 6-10 vein pairs impressed adaxially and prominent beneath, such as the midvein; petiole 0.8-1.5 cm, densely pale orangish brown tomentose;
Flowers from December to March; female inflorescences to 4 cm long, flowers 1.6 mm wide; 3 short styles, hairy but stigmas are glabrous; male catkin 8 cm long;
Fruits acorn globose, flattened, 1.5-2 cm long, 1.5 cm in diameter; glabrescent; basal scar 4-5 mm wide, flat; enclosed 1/2 or 1/3 in cup; cup 0.9 cm long, 1.5 cm in diameter, tomentose, with scales in 4-7 concentric rings, margins remotely denticulate; maturing the first year;

Bark, twigs and

bark dark grey, fissured into thin plates; branchlet sulcate, densely grey brown stellate tomentose;
Hardiness zone, habitat not hardy (zone 8-9); broad-leaved evergreen forests in mountains;

-- A. Camus : tome 1, p. 241, n° 30;
-- Sub-genus Cerris, Section Cyclobalanopsis;
-- Section Lepidotricha (Menitsky);


Subspecies and

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