It’s time for the last paper of the pollinator-driven speciation week. The previous posts have examined how pollinators can select and cause diversity among plants but, if they’re all the same species, could...
Tag - grant-stebbins
Alun Salt
Plants adapt to accommodate a long proboscis in South Africa.
Our Grant-Stebbins week continues. Today it’s a question of looking at the geographical context of floral adaptations. Why might you find a plant here and not there? Is it the pollinators that cause it? Matching...
Floral adaptation to pollinator guilds in Switzerland
Pollinator-driven speciation week continues, with Floral adaptation to local pollinator guilds in a terrestrial orchid, a paper by Sun, Gross and Schiestl. The star is the orchid Gymnadenia odoratissima, and orchid...
Pollinators as selectors for evolution
Following from yesterday, do pollinators act as selectors for evolution? A pollinator shift explains floral divergence in an orchid species complex in South Africa by Peter and Johnson tests this idea. The orchid in...
Can the Grant-Stebbins model explain where all the flowers come from?
Valentine’s Day is coming, and many people are looking for the right flower to express their feelings, though it’s hard to beat a multi-coloured rose. But where do all the different sorts of flowers come...
