[caption id="attachment_2260" align="aligncenter" width="300" caption="Peltogyne Purpurea: An endemic species of Costa Rica and Western Panama, now very scarce because of overexplotation for its valuable timber."][/caption] Visiting a tropical forest can be overwhelming because of the enormous number of species found there, especially if you are talking about the Osa Peninsula, one of the most biologically diverse places in the world. This diversity is especially evident amongst plants which, as immobile organisms, are easily observed.  This same diversity, however, can be distressing for a person interested in identifying a species...