[Taxacom] Tetrastigma tuberculatum: nom. illeg.?

[Thomas Lammers]

I don't have the ICBN handy, but isn't this one of those cases where the correct name becomes Tetrastigma tuberculatum Latiff?

----- Original Message -----
From: "Boggan, John" <BOGGANJ at si.edu>
Date: Monday, August 20, 2007 4:18 pm
Subject: [Taxacom] Tetrastigma tuberculatum: nom. illeg.?
To: taxacom at mailman.nhm.ku.edu

> In 2001, A. Latiff made the combination Tetrastigma tuberculatum 
> (Blume)Latiff, based on Cissus tuberculata Blume, in separating 
> out a taxon
> (including numerous synonyms) that had previously been included in
> Tetrastigma leucostaphylum (Dennst.) Alston ex Mabberley.  
> So far so
> good, but my concern is with nomenclature rather than circumscription.
> As far as I can figure out, Cissus tuberculata Blume (1825) is a later
> homonym of Cissus tuberculata Jacquin (1797).  The latter 
> name, with a
> type from Cuba, is synonymized under Cissus obovata Vahl by 
> Lombardi in
> a recent Flora Neotropica treatment of Vitaceae (with no 
> indication that
> it is a nom. nud.).  It seems that this name should block Cissus
> tuberculata Blume, and therefore Tetrastigma tuberculatum 
> (Blume) Latiff
> is an illegitimate name, having as its basionym a later homonym.
> 
>  
> 
> John Boggan
> 
> Department of Botany, MRC 166
> 
> National Museum of Natural History
> 
> Smithsonian Institution
> 
> P.O. Box 37012
> 
> Washington, DC 20013-7012
> 
>  
> 
> Email: Bogganj at si.edu
> 
> Phone: (202) 633-0895
> 
> FAX: (202) 786-2563
> 
> Department website: http://www.nmnh.si.edu
> 
>  
> 
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