Arum

Graham Rice garden@tiscali.co.uk
Fri, 06 Apr 2007 08:27:46 PDT
In his 1993 monograph, Peter Boyce treats A. concinnatum as a 
separate species, as does the RHS 
(http://rhs.org.uk/rhsplantfinder/plantfinder.asp/).

Also, Peter Boyce has recently revised his opinion on A. italicum, 
concluding that subsp. italicum and subsp. neglectum cannot be 
separated. I'm sending Mary Sue a pdf of his article in The Plantsman 
magazine (March 2006) in which he explains this. Unfortunatately, I 
cannot make it available to all as this is copyright material and I 
only have permission for limited private circulation.

'Marmoratum' is now treated as a cultivar.

Graham Rice
Milford, PA (22F, snowing steadily)
http://transatlanticplantsman.com/


>Hi,
>
>I'm still trying to finish the thumbnails and consolidate them on pages and
>was working on Arum which I know very little about. Kew has listed Arum
>concinnatum as the accepted name for Arum italicum var. maroratum and Arum
>italicum subvar. marmoratum. Giorgio has added a picture of  plants he
>calls Arum italicum ssp. marmoratum to our wiki.  Since he lives in Italy
>where it grows perhaps the name is uses is accepted in Italy if not by Kew.
>Do any of you Aroid fans have advice about how we should label it on the
>wiki. Thanks.
>
>Mary Sue
>  From Kew:
>Accepted Name:  Arum concinnatum Schott, Icon. Aroid.: t. 39 (1857).
>Family:         Araceae
>
>Homotypic Synonyms:
>
>Arum italicum var. marmoratum (Schott) Nyman, Consp. Fl. Eur.: 755 (1882).
>
>Arum italicum subvar. marmoratum (Schott) Engl., Pflanzenr., IV, 23F: 85
>(1920).
>
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