A growing number of studies on naturally occurring plant species have shown that plant-
plant interactions for pollination vary from competitive to facilitative. In reviewing the seven …

Just as flowering plants depend on their pollinators, many birds, insects, and bats rely on
plants for energy and nutrients. This plant-pollinator relationship is essential to the survival …

Many flowering plant species are characterized by a large variation in floral traits at the
population or individual levels. Among these traits, colors and odors are particularly …

The construction of classifications, as well as the understanding of biological diversity,
depends upon a careful comparison of attributes of the organisms studied (Stuessy, 1990). It …

In this study, I tested whether selection occurring on several morphological and floral traits in
Erysimum mediohispanicum (Cruciferae) is modified by the effects of herbivores. Six plots …

Е н д р т е н т н п в тв в м deographical Variation in Diversity and specificity of Pollination
Systems eff Ollerton, Steven D. Johnson, and Andrew B. Hingston e biogeography of …

Natural selection should reduce phenotypic variation and increase integration of floral traits
involved in placement of pollen grains on stigmas. In this study, we examine the role of …

Abstract The International Cocoa Genebank, Trinidad (ICG, T) contains 2300 accessions
representing a broad range of diversity and geographic origins. This study was undertaken …

Herbivory can alter plant fitness directly through changing reproductive allocation and
indirectly through changing pollinator identity or behavior. Common milkweed is a plant of …

Polymorphism of floral signals, such as colour and odour, is widespread in flowering plants
and often considered to be adaptive, reflecting various pollinator preferences for particular …