Quercus helferiana A.DC.,  Prodr. 16(2): 101 1864. (syn: Cyclobalanopsis helferiana (A.DC.) Oerst.; Quercus ilex Lour., nom. illeg.; Quercus prainiana H.Lév.);


Assam to S. China: Assam, China South-Central, China Southeast, Hainan, Laos, Myanmar, Thailand, Vietnam as per POWO;


MS, Dec., 2020/19 Quercus sp. for id

2 images.

Location : Mawmrang tlang

Altitude : ca. 1,600 m
Date : 06-11-2019
Habit : Middle-sizes tree
Habitat : Wild

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).

Quercus brandisiana Kurz  does not have distribution in India as per POWO and CoL, while Quercus helferiana A.DC. have distribution as per POWO and CoL
Also appears more closer to Quercus helferiana as per Oaks of the world compared to Quercus brandisiana Kurz as per Oaks of the world.




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

Leave a Reply

Your email address will not be published.