Most flowering plants establish mutualistic associations with insect pollinators to facilitate
sexual reproduction. However, the evolutionary processes that gave rise to these associations …

The interaction between floral oil secreting plants and oil-collecting bees is one of the most
specialized of all pollination mutualisms. Yet, the specific stimuli used by the bees to locate …

Fragrance composition of flowers from 101 plant species, especially orchids, were analyzed.
Several compounds, including allo‐aromadendrene, β‐bourbonene, α‐copaene, α‐…

Subtribe Spiranthinae is the most species-rich lineage of terrestrial Neotropical orchids,
encompassing > 500 species and 40 genera. We conducted maximum parsimony and maximum …

The Andean uplift is one of the major orographic events in the New World and has impacted
considerably the diversification of numerous Neotropical lineages. Despite its importance …

The Neotropical genus Catasetum is one of the most notable orchids because of its unusual
reproductive strategy. In contrast to most orchids, all of the ca. 170 Catasetum species have …

The pollination strategies of Anthurium (Araceae) were investigated in the field in Ecuador.
Three different pollinator types (viz., Cecidomyiidae, Drosophilidae and Euglossini) were …

Poor morphological and molecular differentiation in recently diversified lineages is a widespread
phenomenon in plants. Phylogenetic relationships within such species complexes are …

The relationships between potential seed productivity, pollinia structure, methods of pollen
reception, the sizes of. the stigma, and the visitation frequency of orchid flowers were studied. …

The neotropical orchid genus Catasetum embraces about 180 species that produce
perfume as reward for pollinators (ie male euglossine bees). Among the ca. 1000 perfume‐…