Ornithophily

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Ornithophily

 

the cross-pollination of flowers by birds (hummingbirds, sunbirds). Ornithophily characterizes mostly tropical plants.

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Diversity of flower visitors and their role for pollination in the ornithophilous bromeliad Vriesea friburgensis in two different habitats in Southern Brazil.
Functional aspects of floral nectar secretion of Ananas ananassoides, an ornithophilous bromeliad from the Brazilian savanna.
The quantity of floral resources available for the hummingbirds was represented by the proportion of ornithophilous resources (which is inversely proportional to that of non-ornithophilous resources) calculated monthly for each of the environments based on the resource density.
This plant, however, displays unusual ornithophilous flowers because they are devoid of nectar.
Ornithophilous plants are characterised by the presence of diurnal anthesis flowers, odourless, of conspicuous coloration, with the production of large amounts of nectar, but low concentration of sugars in their nectarines.
In the small number of species in the archipelago that are hummingbird visited, nectar chemistry implies specialization for birds, again suggesting that the colonists were also ornithophilous.
However, few studies have focused on both ornithophilous and non-ornithophilous flower species used by hummingbirds, and were generally undertaken over a few days or months (e.
Approximately 75% of this genus is entomophilous (insect pollinated), the remainder being ornithophilous (bird pollinated).
1982), especially with regard to families of ornithophilous plants.
Eupetomena macroura is one of the most abundant species in cities, being present in the greener urban areas where the presence of ornithophilous plant species is a basic requirement (Morales, 2003).