Good old human negative selection...same reason that rattlesnakes near human populations tend to not rattle or even have rattles! On Tue, Dec 8, 2020 at 6:16 AM Arnold Trachtenberg via pbs < pbs@lists.pacificbulbsociety.net> wrote: > Hi Judy > I saw this on the SRGC a week ago. > Seems we, humans are playing a role in "Natural Selection". > I wonder if you can call this evolution driven by the ability of the human > eye to discern colors from a distance. > Arnold90 miles north of you. > > > > -----Original Message----- > From: Judy Glattstein via pbs <pbs@lists.pacificbulbsociety.net> > To: Pacific Bulb Society <pbs@lists.pacificbulbsociety.net> > Cc: Judy Glattstein <jgglatt@gmail.com> > Sent: Tue, Dec 8, 2020 8:52 am > Subject: [pbs] The Colors of Fritillaria > > An interesting article in today's NY Times about color variation in > Fritillaria delavayi > > > https://nytimes.com/2020/12/… > > which presumably arose because it is collected for traditional medicine. > The yellow flowered ones are easy to notice and collect, those with dull > colored flowers are less conspicuous. > > Judy in New Jersey where winter temperatures have decided that it is > time for them. And snow flurries forecast for tomorrow morning. > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus/ > > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> > _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>