Results 81 to 90 of about 613 (152)

Humming Birds: Pollination Facts and Fancy [PDF]

open access: yes, 2014
Coral honeysuckle (Lonicera sempervirens), the 2014 VNPS Wildflower of the Year, is a classic example of a hummingbird-pollinated flower: bright red petals, often with contrasting yellow tones in the corolla throat, provide visual attraction, drawing ...
Hayden, W. John
core   +1 more source

Triatoma maculata colonises urban domicilies in Boa Vista, Roraima, Brazil [PDF]

open access: yes, 2016
During a medical entomology course in Boa Vista, Roraima, colonies of Triatoma maculata closely associated with pigeon nests were observed in concrete air-conditioner box located on the external plastered and cemented walls of a modern brick-built ...
Abulreesh HH   +28 more
core   +1 more source

Ornithophily [PDF]

open access: yes, 2015
Pollination is a process where pollen grains are transferred from the stamens (male part) to the stigma (female part) of the flower; if it happens on the same plant it is called self pollination or if on another plant of the same species it is termed ...
Ibrahim, Faridah Hanum   +1 more
core  

Explaining evolutionary shifts between bee and hummingbird pollination: Convergence, divergence, and directionality [PDF]

open access: yes, 2008
In certain angiosperm genera, closely related species have diverged from one another to converge on different pollination syndromes, whereas species with intermediate phenotypes are rare or absent. Convergent conformity to syndromes implies the existence
James D. Thomson, Paul S. Wilson
core   +1 more source

Gloriosa superba L: A critical Review of Recent Advances [PDF]

open access: yes, 2020
Gloriosa superba is a flowering plant belongs to Colchicaceae. It refers to full of glory', and the superba refers ‘superb’ referring to the outstanding red and yellow flowers. G.
Ayyakannu, Arumugam   +4 more
core   +1 more source

Floral biology of Adolphia infesta and the reproductive profile of Colletieae (Rhamnaceae) [PDF]

open access: yes, 2015
82-90The reproduction of the shrub Adolphia infesta was studied in a population included in a Mexican agricultural landscape with small, cultivated plots and fragments of natural habitat.
Castillo Campos, Gonzalo   +2 more
core  

Hummingbird diversity, abundance, and feeding interactions across three floral communities on Mount Totumas, Chiriquí, Panamá [PDF]

open access: yes, 2022
(Trochilidae) are a large Neotropical bird family of nectar-feeders that have evolved as pollinators of many Neotropical plants. Interactions between hummingbirds and plants form mutualistic networks that may change in structure over environmental and ...
Ginn, Zachary
core   +1 more source

The Immense Diversity of Floral Monosymmetry and Asymmetry Across Angiosperms [PDF]

open access: yes, 2018
Floral monosymmetry and asymmetry are traced through the angiosperm orders and families. Both are diverse and widespread in angiosperms. The systematic distribution of the different forms of monosymmetry and asymmetry indicates that both evolved numerous
Endress, Peter
core  

Interacción planta-colibrí en Amacayacu (Amazonas, Colombia): una perspectiva palinológica

open access: yesCaldasia, 2001
Se cuantificaron 232 cargas de polen tomadas de 11 especies de colibríes en el Parque Nacional Natural Amacayacu, Amazonas, Colombia. Las especies más generalistas transportaron cargas de polen con mayor cantidad de granos.
Amaya Márquez Marisol   +2 more
doaj  

Pollination of hemiparasites (Loranthaceae) by spider hunters (Nectariniidae) in the canopy of a Bornean tropical rain forest [PDF]

open access: yes, 1997
We observed pollination process of three hemiparasites, Loranthaceae, Amylotheca duthieana (King) Danser, Trithecanthera sparsa Barlow and T. xiphostachys Tiegh. Flowers of these three species were cylindrical with different corolla lengths. Flowers of A.
Itino, Takao   +2 more
core  

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