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MS/12/2019/4 – ID of a plant from Arunachal. : 16 posts by 6 authors. Attachments (1)

Sent by a friend on a trip to Arunachal.

Photo taken at Mishmi hills on Dec 5th. Longest leaf about 10 cm. A foot high plant. Any idea of sp family? No flowers or fruit available. 


Resembles Zanthoxylum sp,


Agree with …


The picture is not matching with any of the species in the net. Please suggest  which  species of Xanthoxylum


Please check Zanthoxylum oxyphyllum Edgeworth ! 


but … did you take those remarkable thorns on the leaves into account.
Z. oxyphyllum pictures on the net do not show any thorns. not only that they do not show any hairs on the leaves either. before my internet went dead a few days ago. i had puzzled over this plant and was working my way thru the taxonomic key.
I don’t remember seeing any thing that describes this very remarkable single picture.
… can you friend give us more details and pictures?


I contacted my friend for additional picture(s). But he has only this one.  


so we will have to keep digging when time permits.

Checked in Flora of China, its looks like Zanthoxylum laetum, its wood climber. for more details, please refer below link. 
http://flora.huh.harvard.edu/china/PDF/PDF11/Zanthoxylum.pdf   


Is it listed in India? I could not find.

Parts between leaflets are winged but not sure in Z. laetum.
Leaf margin looks slight different.

I concur with the observation of …


I think … is correct. I could get the photographs matching the species suggested by him. Google search


It does not match with FOC illustration and GBIF specimens.
As per Flora of China, leaves are alternate. It further says: Trunk, branches, branchlets, and leaf rachises with prickles. Rachis of young leaves, petiolules, and midvein of leaflet blades puberulent.
In this there is no mention of prickles on mid vein of the leaflets.
Thus, identification at Crug Farm Plants appears to be wrong.


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