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SUMMARY:The origin of red flowers: genetic mechanisms, ecological drivers a
 nd macroevolutionary patterns
LOCATION:Anatomy/Zoology Building W118
TZID:America/Denver
DTSTART:20153201T000000
UID:2026-04-23-18-01-35@natsci.colostate.edu
DTSTAMP:20260423T180135
Description:Angiosperms display an incredible diversity of flower colors\, 
 although relatively little is known about macroevolutionary trends in flow
 er color and the genetic basis for different classes of color transitions.
  My talk will focus on the distribution of red flowers and the genetic ba
 sis for the origin of this trait.  Studies in a handful of taxa\, includi
 ng my own in Iochroma\, suggest that the convergent evolution of red flowe
 rs involve a similar suite of genetic changes\, including loss of express
 ion\, changes in enzymatic function\, and loss of function mutations.  
 I will discuss the implications of these genetic changes for the macroevol
 ution of flower color and the ecological factors that drive these color tr
 ansitions. 4:00 pm
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