Oaks of the World

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 Quercus neglecta
Author(Schottky)Koidz. 1916
Synonyms Cyclobalanopsis neglecta Schottky 1912
Cyclobalanopsis bambusifolia (Hance) Hsu & Wei Jen
bambusifolia Hance in Seemann 1857, not Fortune 1860 nor Masters 1874
salicina sensu Seemen not Blume 1850
Local nameszhu ye qing gang ;
RangeChina (Guangdong, Fujian, Hunan); Hongkong ; Vietnam ; 500 - 2200 m ;
Growth habit5-12 m, but may reach 20 m;
Leaves 3-7 x 0.8-1.5 cm; crowded at tip of shoots; evergreen; leathery; glabrous; lanceolate; apex rounded or sometimes shortly pointed; base cuneate; margin entire or with a few teeth near apex; shiny green adaxially; blue green beneath; 7-14 inconspicuous vein pairs; midrib prominent beneath, slightly impressed above; petiole 2-7 mm, glabrous (at first pubescent);
FlowersFebruary-March; pistillate inflorescences short, 0.5-1 cm;
Fruits acorn 1.5-2.4 cm long, 1.5 cm in diameter; ovoid; silky becoming glabrous; mucronate; most often solitary; enclosed 1/4 or less by cup; cup subsessile, with 4-6 denticulate concentric rings of scales, greyish brown, tomentose inside and outside; scar 5-7mm, convex; maturing in 1 year (from August to November);

Bark, twigs and
buds

twig silky becoming hairless, grey brown, sliglhtly purplish;
Hardiness zone, habitatnot quite hardy (zone 8);
Miscellaneous -- A.Camus : n° 38;
-- Sub-genus Cyclobalanopsis;
-- Section Glauca, sub-section Glaucae (Menitsky);
-- "bambusifolia" is an ambiguous name because it is used for other species of Quercus; although it has been created before "neglecta", it must be given up in order to avoid confusion;
Subspecies and
varieties
 
Pictures

drawing 1
drawing 2