Alba forms of Cym canaliculatum
On the off chance that anyone is well versed in Cymbidium canaliculatum, does anyone know if the so called green alba and yellow alba forms of Cym canaliculatum were ever formally described? If so by what name and by who (and where)? The AOC has awarded a canaliculatum as var. alba 'D'Bush' and they are refered to as var./f. alba (album) by growers but I'm wondering whether there is any legitimacy to this or any other name. Rupp's review of the species does not mention any alba colour forms. The Kew monocot checklist also doesn't seem to list any alba forms or varieties, which probably suggests the albas haven't been described although I have on occassion come across described forms and varieties that do not appear on the checklist. Can anyone provide a reference to the description?
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