Re: Xanthosoa?


>From : 	Helmut Reisenberger <gartenbaureisenberger@web.de>
Reply-To : 	Discussion of aroids <aroid-l@gizmoworks.com>
Sent : 	Thursday, October 18, 2007 10:24 AM
To : 	Discussion of aroids <aroid-l@gizmoworks.com>
Subject : 	Re: [Aroid-l] Xanthosoa?


Dear Helmut,

Unfortunately the only person who is or was activly involved in researching 
the cultivated Xanthosomas is Dr. Eduardo Goncalves in Brazil, and he has 
been off-line for a considerable length of time.
If you have the means to search the archives of Aroid-L, you will find a 
discussion on a plant which FROM MY MEMORY matches the photos recently 
posted, Dr. Goncalves I.D.`d it as being the true X. sagittifolia.   I THINK 
that 'nigra' may just be a made-up spurious name, and that X. "nigra" may be 
just another name for X. violacium, which is the darker colored plant you 
are refering to.
We can only hope that Dr. Goncalves reads this and can offer some of his 
expert advice soon!

The Best,

Julius

>>I am not the expert, but my opinion is, as follows: This is the real
Xanthosoma violacea (green with a purple hue), while, what commonly is named 
Xanthosoma violacea is in fact "Xanthosoma nigra" (deep purple leaf stalks 
and purplish leaf blades and
dark red venation). Question: Has Xanthosoma nigra a taxo-standing at all?<<


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