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40e. Lithocarpus corneus var. hainanensis (Merrill) C. C. Huang & Y. T. Chang, Guihaia. 8: 14. 1988.
海南烟斗柯 hai nan yan dou ke
Quercus hainanensis Merrill, Philipp. J. Sci. 23: 239. 1923.
Petiole 1-2(-3.5) cm; leaf blade obovate, obovate-oblong, or rarely elliptic, abaxially sparsely covered with short, early glabrescent stellate hairs, sometimes short hairs remaining on midvein and secondary veins. Cupule apically flat or slightly convex, outside densely hairy. Nut wall much thicker than cupule wall.
* Coastal regions. S and SW Guangdong, Hainan
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