Species

Quercus kiukiangensis Y.T.Chang

EN

Synonyms (1)

xizangensis
Data from Oaks of the World

Geographic Range

China (Tibet, NW Yunnan) ; 1300-2000 m ;

Growth Habit

reaches 30 m tall;

Leaves

10-18 x 3.5-8.5 cm; oblong-elliptic; leathery; apex pointed, acuminate to caudate; base rounded or broadly cuneate; whitish beneath with some scattered simple hairs; margin with sharp teeth in apical 1/2; midvein and 10-13 vein pairs, raised beneath, impressed adaxially; tertiary veins slender, parallel, evident beneath; petiole 1.5-2.5 cm, hairless;

Fruits

acorn globose, ovoid or conical, 1.5-3 cm long, 1.4-1.7 cm in diameter; glabrous; cup enclosing 1/2 of nut; cup 1.2-1.5 cm long 1.8-2.2 cm wide, 1.5-3 mm thick, both sides tomentose, with bracts in 6-9 concentric rings (only the basal rings are slightly dentate); scar 8 mm in diameter, convex; stylopodium persistent, ringed; maturing in 1 year;

Common Names

qiu jiang qing gang

Hardiness & Habitat

not quite hardy;

Additional Information

– Sub-genus Cerris, Section Cyclobalanopsis – Threatened (IUCN Red List Category : EN)

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