Colocasia is the plant I study. The Latin name is actually an old Italian vernacular name based on the Greek vernacular, kolokasi, which can be traced back through Arabic qolqas to Sanskrit. The plant is apparently also mentioned in very old Hebrew writings, but I have not followed that line of enquiry yet, and have no record of the Hebrew form of the name.P.
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Peter J. Matthews, Chief Admin.,
The Research Cooperative,
Auckland & Kyoto.
Contact: researchcooperative [at] gmail [dot] com