Progenitor–derivative speciation occurs when an isolated peripheral population diverges from the ancestral condition and forms a derivative species. López et al. find evidence of this type of speciation in the genus...
Tag - speciation
botanyone
TcCRP1 as a pollen-tube attractant in Torenia
A key factor of pollen-tube attraction to an ovule is that it is species-specific, and recently a family of secreted proteins with attractant properties has been discovered in Torenia fournieri. Kanaoka et al. study...
Diversification in Hawaiian Dubautia laxa
The Hawaiian silversword alliance (Asteraceae) is one the best examples of a plant adaptive radiation, exhibiting extensive morphological and ecological diversity. Using subspecies of Dubautia laxa as an example...
