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Re: Colocasia

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 <edggon@hotmail.com>
To: Multiple recipients of list AROID-L <aroid-l@mobot.org>
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
> C. esculenta var. antiquorum (large, solitary tuber) and C. esculenta var.
> aquatilis (long stolons). Are those varieties published anywhere? (i.e.
> authors, etc) What happened with variety illustris? What about that form
> with an yellow blot in the middle of the leaves? The only complete
> I have (my Precambrian 'Das Pflanzenreich') cites lots of varieties and I
> wonder most of them became synonims. Other interesting thing is that
> never use tuber characters (except for the description of the variety
> aquatilis) so this is a new approach. Who did start to use tuber
> on the classification?  Engler's classification uses the proportional
> 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
> answer in the aroid-l archives.
>                            Very best wishes,
>                                     Eduardo.
> _________________________________________________________________________
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