Re: [aroid-l] Question--Colocasia "Black magic"

From: MossyTrail at cs.com on 2004.04.07 at 07:08:01(11378) Tony Avent wrote: >Jason: > > Regarding your Colocasia 'Black Magic' question, I can share a bit of >background. This clone clumps in most climates, but when grown as an >aquatic, it does produce runners. In very wet season, we have seen the >occasional runner. In tissue culture, C. 'Black Magic' mutated to a form >that runs in all climates. It was given the name C. 'Black Runner'. This >form also has leaves that emerge darker and have more ruffling around the >edges. I hope this helps. > Yes, it does. As I recall, it is the variety C. e. aquatilis that runs. Your explanation suggests that these varieties may be, at least in part, ecotypes -- when grown it a wet stuation, it "becomes" aquatilis. Have there been any genetic/phylogeny studies on the three varieties of C. esculenta, to determine whether their differences are genotypic (suggesting true subspecies) or merely phenotypic (suggesting ecotypes)? Jason Hernandez +More Naturalist-at-Large

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