Category: Science

This category is about the biology of daffodils and narcissus.

Seedlings 1

  All, This spring I made some new observations concerning fertility of crosses between standard daffodils and species. Tetraploid standard daffodils with four chromosome sets (NNNN) crossed with diploid species for example jonquils (JJ) give an allotriploid plant with NNJ, which should…

N. elegans

I have some seeds of N. elegans from Spain, which I can give to someone, who is interested. I shall make no big writing action , but send the seeds to the first, who asks.   Theo

“N.pisanus”

Hello,   N. pisanus Pugsley (1933) is an invalid synonym of N. pseudonarcissus subsp. pseudonarcissus.   Cheers,   Henry

Corrected Distribution Map for N. triandrus

Hi Daffnet, For those interested, I am attaching the corrected distribution map for N. triandrus L.in the Iberian Peninsula published in Anales Jardin Botanico de Madrid, 58 (1), page 184, (2000) by Alfredo Barra Lazaro. On page 186 he also…

N. lusitanicus

Several people have asked me about the name I use. Alvarez and Fernandez Casas raised this plant to species level and applied the name lusitanicus a few years ago (2000). Before that it was called N. triandrus var. aurantiacus or…

Fertility of N. x alleniae

In 2007, 2008 and 2009 I saw 21 clones of different N. x alleniae ( N. miniatus x N. viridiflorus ) near Conil in Southern Spain. I had my facility for testing pollen with me and found out, that 13 clones…