Category: Science

This category is about the biology of daffodils and narcissus.

Brandham article in RHS Yearbook

Hi again, I received my copy of the RHS Yearbook today. It makes very interesting reading. I was particularly interested in an article by Peter Brandham regarding the classification of the species. In it he suggests that it may be…

inbreeding

INBRREEDING There is some misunderstanding about inbreeding Most diploid organism have so called bad or even lethal genes As long as these are complemented by a good gene ( are in a heterozygous condition)  there is nothing wrong ( usually…

DnA content of all species of narcissi..

Hello Daffodil enthusiast For those interested; The following link contains a paper on all species of narcissi .Happy reading. (Thanks Nancy) http://daffodilusa.com/references/references.html#research Ben J.M.Zonneveld Nationaal Herbarium Nederland POBox 9514 2300 RA Leiden, The Netherlands telf 071 5274738 E-mail:

R: to nomenclature problems

Sorry, I did not express myself well:     I just meant to say that I also understood that pants included in  Amaryllidaceae have normally an inferior ovary while Liliaceae have a superior one.   Henry (Rome) Da: [mailto:; Oggetto: Re:…

to nomenclature problems

Hello Marilynn,  The last two lines of your message obviously do not refer to Amaryllidaceae.  Henry (Rome)  Da: ] Per conto di ; Oggetto: Re: [daffnet] to nomenclature problems  Hi John,  Thank you for your explanation. I have one question.…

to nomenclature problems

 Dear All,  Thanks for the answers to my message on the botanical families to which Narcissus is attributed by various institutions.  An excellent explanation arrived from Dr. John David whom Brian kindly interpellated on this issue.  Best regards   Henry…