On Wed, Aug 24, 2016 at 8:06 AM, Jane McGary <janemcgary@earthlink.net> wrote: > It's probably not valid to designate the white-centered color form a > botanical variety. > I wonder what the technical status of T. cyanocrocus var. cyanocrocus is? It must be the completely blue form since var. leichtlinii has the white center. Varietal status is used for morphological differentiation. If we want to talk about ecology and evolution (populations) through careful studies, we'd use subspecies. > Mine all arose from 3 corms purchased from an English vendor in the early > 1990s. > This is such a desirable species but are so slow to multiply. I would love for everyone who grow this species to make a concerted effort to produce seeds and make more plants. They're unhappy for me in Berkeley -- too wet in winter. Nhu