As per efi thread :

A simple key from Dr. Almeida’s flora Vol IV-B pg 350:
1. Unarmed; leaves 2.5-8cm long—————————— Flueggea obovata (now Flueggea virosa)
2. Spinous; leaves rarely exceeding 2.5 cm long———–Flueggea leucopyrus  
 

Duthie in his document Flora of Upper Gangetic Plains has also mentioned these two species and differentiate them as-

Unarmed; leaves 1-3 inches long…………………………………………………………..F. microcarpa (now Flueggea virosa)
Spinous; leaves rarely exceeding 1 inch long …………………………………………….F.leucopyrus
He has mentioned its (F.microcarpa) distribution in Bengal also.

Spines in F.leucopyrus are not distributed all along the branch but slender angular branchlets ends in a sharp spine;


 
Species as per Flora of India Vol 23 (Editors N. P. Balakrishnan, T. Chakrabarty, M. Sanjappa, P. Lakshminarsimhan & P. Singh- by Botanical Survey of India (2012)):
Flueggea leucopyrus Willd.
Flueggea virosa (Roxb. ex Willd.) Voigt


  

  • Flueggea
    leucopyrus Willd.

  • Flueggea
    virosa (Roth. ex Willd.) Voigt

  • Flueggea
    virosa subsp. virosa


  •  
     
    Flueggea virosa with description)


     
    Flora of Madhya Pradesh: Chhatarpur and Damoh By G. P. Roy, B. K. Shukla, Bhaskar Datt (1992-
    Flueggea virosa with description)


     
    Flueggea leucopyrus with description & medicinal uses)


     

    I have updated eFI (efloraofindia) page on Flueggea

    Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

    Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

    Any comments are welcome.


    Please follow Flora of India Volume 23.

    Flueggea.docx


     

     

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