Oaks of the World

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  Quercus mespilifolia
Author Wall. ex A.DC. 1864
Synonyms Cyclobalanopsis mespilifolia (Wall. ex DC) Oerst. 1866
lineata var. lobbii auct. not (Ettinghs.)Wenzig
mespilifolioides A. Camus 1935 nom. illeg.
mespilifolia Hook. f. 1888
Local names Mai kho ; Bin go ;
Range Myanmar; Thailand; Laos; Vietnam; China (Yunnan);
Growth habit tall tree;

11-20 x 4.5-7.5 cm ; leathery; oval-lanceolare, oblong-lanceolate or oblong; apex pointed or subobtuse; base cuneate; margin shortly dentate in the apical half; shiny and glabrous above; dull beneath, initially tomentose, becoming hairless; 12-16 vein pairs prominent beneath; petiole 1-2 cm long, rusty pubescent;

Flowers male catkins densely paniculate; male flowers with stamens more or less hidden in the tomentum;
Fruits acorn 1.5-1.8 cm long, 1.2-1.5 cm in diameter, ovoid, tomentose at first then glabrous, apex depressed, base truncate with convex basal scar; 1/2 enclosed by cup; cup hemispherical, 2 cm in diameter, 1.3 cm high, with ca. 10 concentrical, denticulate, slightly tomentose rings.

Bark, twigs and

young twigs slightly fulvous tomentose;
Hardiness zone, habitat  
Miscellaneous -- A.Camus : n° 70;
-- Sub-genus Cerris, Section Cyclobalanopsis;
-- Section Semiserrata, sub-section Gemelliflorae (Menitsky).
-- related to
Q.thomsoniana ;
-- for some Authors (Menitsky, Govaerts & Frodin), it is a synonym of
Q.kerrii Craib ;
Subspecies and

-- Q.valdinervosa Soepadmo 1968
= Q.mespilifolia var borneensis Heine 1951
to 30 m; bark smooth, grey; glabrescent twigs; leaves elliptic or obovate-oblong, 7-15 cm x 3-6, stiff, thick; apex acuminate, base attenuate or acute ; margin denticulate at apical 1/2; hairless above, finely pubescent beneath then glabrous; 10-15 pairs of secondary veins flat or impressed above, strongly raised below; acorn to 3 cm long; cupule conical, 2.5 cm in diameter, with 7-8 crenate, pubescent rings; common, but only in Borneo (Sarawak, Sabah, Brunei) ; to 2300 m;