I have a plant of Pot. Memoria Shirley Moore 'Newberry' (Blc. Crowfield x Sc. Beaufort). It is a mature plant that has bloomed for several years. One of the grandparents is C. bicolor, & the inheritance in the flowers is very strong. However, the plant is entirely unifoliate. I thought the bifoliate trait is very dominant to several generations. Can anyone explain? Iris
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