Phylogenetic relationships among resin-producing genera of the tribe Detarieae s. l. were explored using chloroplast trnL intron and trnL-F spacer, nuclear ITS and morphological characters. The different data sets were quite congruent except the ITS region. The monophyly of resi…
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The Late Oligocene (28-27 Ma) Guang River flora from northwestern Ethiopia, a well preserved, autochthonous plant macrofossil compression assemblage, is preserved in an overbank deposit and likely represents a tropical seasonally or periodically inundated riparian forest communi…
The evolution of species radiations has involved two processes: diversification, or the formation of many species, as well as disparification, the differentiation of species in traits associated with differing ecological niches. Extremes of disparification are a hallmark of clas…