In March I made a trip to Spain looking for narcissus species. I saw many different sites and visited also the Sierra de las Nieves near Ronda, where in different kown places Narcissus hispanicus and Narcissus assoanus grow. There…
My best N. x litigiosus/ susannae (N. cantabricus x N. triandrus pallidulus) with about seven % pollen fertility. Theo
Most crosses of standard daffodils with diploid species and crosses between diploid species are infertile. If tetraploid species are used the descendants are fertile. Some more information you find within the pdf-text Crosses of tetraploid species with each other or with…
These two miniature daffodils are flowering in the greenhouse. The seedlings of both crosses often generate unreduced pollen. I shall try the first one out of doors this year but am not very optimistic that it will do well.…
In Daffnet (November 7, 2016) Graham Fleming wrote that he got seeds from combining several of his triandrus hybrids with a special triandrus variety (NTT) with one chromosome set of the standard daffodils (N) and two of N. triandrus (T).…
The seedlings of N. x xanthochlorus should be fertile because they are allotetraploid. But some generate no viable pollen. Successful crosses with Maria Pia as the pollen parent were made. Theo