Oaks of the World

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  Quercus patkoiensis
Author A.Camus 1933
Local names  
Range Assam (Nagaland, in Patkoi mountains ) ;
Growth habit small tree;
Leaves 13-16 x 4,5-5 cm ; thin; lanceolate, pointed, base slightly cuneate; glabrous above, pubescent beneath, margin entire or slightly sinuate; 9 vein pairs; petiole hairy 1,7-2,5 cm ;
Fruits acorn ovoid or globose, mucronate, 3,5 cm long x 2,6 cm in diam.,enclosed 1/3 by cup; cup half-round with 9 concentric rings distinct from each other;

Bark, twigs and

Hardiness zone, habitat  
Miscellaneous -- A. Camus : n° 46 ;
-- Sub-genus Cerris, Section Cyclobalanopsis;
-- resembles
Q.yayamensis and Q.semiserrata
Subspecies and