From: "Julius Boos" ju-bo at email.msn.com> on 2001.02.16 at 14:17:48(5950)
Dear Eduardo,
I do not have 'hard' information at hand, so I did not respond, but think
that when you 'get into' the literature you will find that a lot if not most
of the names used for the different forms/cultivars of this species are
mostly 'informal'/unpublished names, and may number in the hundreds,
especially the cultivars from the Pacific region, like Fiji and Hawaii.
Good luck!
Julius
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>>Dear D.J.Leedy,
Thanks for your information. I was waiting for more replies, but it seems
that serious classification of Colocasia is an arid topic. I think I will
have to face Engler's classification.
Best wishes,
Eduardo.
>From: "D.J. Leedy" Reply-To: aroid-l@mobot.org To: Multiple recipients of
>list AROID-L Subject: Re: Colocasia Date: Mon, 12 Feb 2001 18:50:03 -0600
>(CST)
>
>The following is on page 18 of the book TARO - A Review of Colocasia
>Esculenta and Its Potentials, Edited by Jaw-Kai Wang and published by the
>University of Hawaii Press, copyright 1983.
>
>"There are probably thousands of cultivars of Colocasia in the world. More
>than three hundred named varieties have been listed in Hawaii; some of
>these are undoubtedly synonyms, but there can be little doubt that perhaps
>a hundred and fifty to two hundred and fifty cultivars were known in
>prehistoric days.
>
>Colocasia cultivars are differentiated on the basis of siz; leaf shape and
>size; color of petiole, leaf and corm flesh; flower shape and size; and
>their various uses. The most comprehensive attempt to clasify and describe
>Colocasia cultivars was carried out by Whitney, Bowers, and Takahashi
>(1939) in Hawaii........"
>
>
>----- Original Message ----- From: Eduardo Goncalves To: Multiple
>recipients of list AROID-L Sent: Monday, February 12, 2001 1:30 PM Subject:
>Colocasia
>
>
> > Dear Aroiders, > > Anybody out there has some kind of solid knowledge
>with Colocasia > esculenta varieties, cultivars, etc? Sometime ago Peter
>told us that there > was three varieties: C. esculenta var. esculenta
>(small, slustering tubers), > C. esculenta var. antiquorum (large, solitary
>tuber) and C. esculenta var. > aquatilis (long stolons). Are those
>varieties published anywhere? (i.e. with > authors, etc) What happened with
>variety illustris? What about that form > with an yellow blot in the middle
>of the leaves? The only complete treatment > I have (my Precambrian 'Das
>Pflanzenreich') cites lots of varieties and I > wonder most of them became
>synonims. Other interesting thing is that Engler > never use tuber
>characters (except for the description of the variety > aquatilis) so this
>is a new approach. Who did start to use tuber information > on the
>classification? Engler's classification uses the proportional lenght > of
>the sterile appendix. Is this still important or was it proven to be >
>highly variable (like almost anything in aroids)? I am sorry if these >
>questions were already answered before, but I couldn't find any satisfatory
> > answer in the aroid-l archives. > > Very best wishes, > > Eduardo. > > >
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