Oaks of the World

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  Quercus albicaulis
Author Chun & W.C.Ko 1958 Acta Phytotax. Sin. 7: 33 1958.
Synonyms Cyclobalanopsis albicaulis (Chun & Ko)Y.C.Hsu & H.Wei Jen 1993
Local names bai zhi qing gang;
Range China (Hainan); 200-600 m ;
Growth habit reaches 30 m high;
Leaves 10-15 cm long, 3-6 cm wide; oblong-elliptic to oval or lanceolate, a little leathery, bloomy, base rounded or weakly cuneate, apex most often acuminate; margin entire or remotely toothed; midrib shallowly impressed above; 6-8 pairs of lateral veins; petiole glabrous 2-2.5 cm long;
Flowers pistillate in October, on 2-3 cm long inflorescences;
Fruits acorn oblong 4 cm long, 2-3 cm wide; glabrous; long-stalked cupule 2-3 cm in diameter, with 6-8 pale brown pubescent concentric rings, enclosing 1/3 or 1/2 of nut; scar round ; stylopodium persistent; maturing in 1 year (fruit in November-December of the year after anthesis that occurs in October);

Bark, twigs and

twigs first whitish, glabrous, cylindrical, then minutely furrowed, with lenticels;
Hardiness zone, habitat
Miscellaneous -- Sub-genus Cerris, section Cyclobalanopsis;
-- Taxinomic position uncertain...
-- For Menitsky (1974) it is a synonym of Q.jenseniana
-- Threatened (IUCN Red List Category : CR).

Subspecies and
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