Quercus helferiana A.DC., Prodr. 16(2): 101 1864. (syn: Cyclobalanopsis helferiana (A.DC.) Oerst.; Quercus ilex Lour., nom. illeg.; Quercus prainiana H.Lév.);
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Assam to S. China: Assam, China South-Central, China Southeast, Hainan, Laos, Myanmar, Thailand, Vietnam as per POWO;
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MS, Dec., 2020/19 Quercus sp. for id
2 images.
Location : Mawmrang tlang
Quercus helferiana A.DC. ??
Quercus brandisiana
Both species seem to be quite close as per Lectotypification of Quercus brndisiana Kurz and the significance of the leaf epidermal features to its taxonomy (2014).
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References: POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI GBIF (High resolution specimens) Oaks of the world Flora of China India Biodiversity Portal Wikipedia Plant illustrations