I am working on flowering synchrony, and I'm interested to explain it by evaluating phylogenetic signal of functional and floral traits of 104 species.
The hypothesis is "phylogenetic signal may explain flowering synchrony, closely related species occupying similar environment, tend to resemble each other in their traits".
Thnak you.
Also, check out phytools. Liam Revell is extremely active, and is constantly updating the program, answering questions, and providing tutorials.
http://blog.phytools.org/2011/03/computing-phylogenetic-signal.html
http://blog.phytools.org/2012/03/phylogenetic-signal-with-k-and.html
I agree that picante is perhaps the best solution for your idea. Also, have a look at this recent paper regarding this topic.
Article Functional and phylogenetic diversity of plant communities d...
I agree with Alexandre that the R package "picante" would be useful. Also look at the software BaTS (Parker al. 2008): http://evolve.zoo.ox.ac.uk/Evolve/BaTS.html. "This software aims to provide a method by which the degree to which phenotypic
traits seen in a phylogeny are associated with ancestry are correlated" (estimation of association index AI, Fitch parsimony score PS and maximum exclusive single-state clade size MC)
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