And don't forget, what appears plain yellow to us may not appear the same to an insect or bird with color vision that extends outside the human range.
Warren W. Aney Senior Wildlife Ecologist Tigard, OR 97223 -----Original Message----- From: Ecological Society of America: grants, jobs, news [mailto:[EMAIL PROTECTED] Behalf Of Kim van der Linde Sent: Monday, 18 September, 2006 14:55 To: [email protected] Subject: Re: Yellow Flowers in the Fall Howie Neufeld wrote: > Dear All - I have been asked by a colleague if I know why yellow flowers > seem to predominate in the fall, especially in open habitats, and I said > I don't have any good theories at this time. Does anybody out there > know about or have any theories? It could also be that yellow doesn't > really dominate, but that certain species (goldenrods for example) are > simply super abundant and they flower in the fall and "appear" to dominate. > Thanks! Most flower forms and colours are related to specific type of pollinators (think about the red-poppy guild in the Middle east that caters to large beetles as pollinators). So, my first question would be, what are the pollinators of these plants, and are they particularly active in fall? Kim -- http://www.kimvdlinde.com
