Quercus lineata Blume, Bijdr. 523 1826. (syn: Cyclobalanopsis chapensis (Hickel & A.Camus) Y.C.Hsu & H.Wei Jen; Cyclobalanopsis kamroopii (D.Don) Oerst.; Cyclobalanopsis koumeii Hu; Cyclobalanopsis lineata (Blume) Oerst.; Quercus chapensis Hickel & A.Camus; Quercus hendersoniana A.Camus; Quercus hildebrandii (Hook.f.) A.Camus; Quercus oxyrhyncha Miq.; Quercus polyneura Miq.);
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Hainan to W. Malesia: Assam, Bangladesh, Borneo, Hainan, Jawa, Laos, Malaya, Myanmar, Sumatera, Thailand, Vietnam as per POWO;
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MS,Nov.,2021/65 Quercus sp. for id: 3 images.
Location : Dungtlang, Mizoram
Date : 21-11-2021
Habit : Medium-sized tree
Habitat  : Wild



Quercus
sp.
1 very high res. image


I think it is Quercus helferiana


But, it is not similar with my MS, Dec.,2020/19 Quercus sp. which already identified as Quercus helferiana.


Size of acorn of this tree is about 2.5 cm across. And size of acorn of MS,Dec.,2021/19 Quercus sp. for id is about 1.1 cm in diameter.


Keys pl.


Yes, looks somewhat different from your earlier post at MS, Dec., 2020/19 Quercus sp. for id
Also I could not find a match as per comparative images at Quercus.
Keys pl.



I think it looks close to Quercus lineata as per GBIF specimens from India: onetwo

I think it looks different from Quercus semiserrata as per POWO specimens- onetwo


It’s not Quercus lineata


Why do you say so?


It is not similar with Mizoram Quercus lineata


To me appears close.



I have doubts about this tree, It seems Quercus helferiana as per the Flora of the Lushai Hills,  and it is also very similar with photos taken by Hoang Son in Oaks of the world.


Quercus helferiana leaves are tomentose beneath, which is not the case here.

I will go be Quercus lineata only.


 

 


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References: POWO  Catalogue of Life  The Plant List Ver.1.1  WCSP  GBIF specimens from India: onetwo (High resolution specimens) IBIS Flora (Flora of British India) Wikipedia  PFAF  Useful Tropical Plants  Oaks of the world

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