Oaks of the World

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  Quercus tiaoloshanica
Author Chun & W.C.Ko 1958 Acta Phytotax. Sin. 7: 42
Synonyms Cyclobalanopsis tiaoloshanica (Chun & Ko) Hsu & Wei Jen 1979
Local names diao luo shan qing gang ;
Range China (Hainan), ) 900-1400 m ;
Growth habit reaches 12 m tall;
Leaves 4-10 x 1.2-3 cm; crowded at the end of shoots; oblong; leathery; apex acute; base cuneate; margin entire or slightly crenate towards apex; concolorous; midrib flat adaxially; 5-7 vein pairs; petiole 6-8 mm, tomentose at first;
Flowers January-February; pistillate inflorescences 5-15 mm long, densely golden-brown woolly tomentose;
Fruits acorn 2 cm long, 1.5 cm wide, ovoid; puberulent at tip; cup thin, hairy inside and outside, enclosing 1/3 of nut, with 6-7 concentric rings of scales; maturing in 1 year;

Bark, twigs and

young twig densely golden-brown woolly tomentose; 2 years old twig with inconspicuous lenticels;
Hardiness zone, habitat not hardy; evergreen broad-leaved forests in mountains;

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

-- Closely related to
Q.litseoides and to Q.hui (perhaps synonym of the latter);

Subspecies and
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