Multiple meanings and modes: on the many ways to be a generalist flower

Ollerton, Jeff; Killick, Ant; Lamborn, Ellen; Watts, Stella; Whiston, Margaret

doi:10.2307/25065855

Cited by 231 publications

(308 citation statements)

References 65 publications

Supporting

Mentioning

274

Contrasting

Unclassified

Order By: Relevance

“…For example, shape preferences of butterflies, honeybees and beeflies varied across years, such that in 2007 open flowers did not show a higher level of ecological generalization than closed flowers. This result may be due to variation in the structure of the community (McCall and Primack 1992; Hingston and McQuillan 2000;Ollerton et al 2007;Lázaro et al 2008Lázaro et al , 2009). …”

Section: Discussionmentioning

confidence: 99%

“…2). This non-significant result in 1 year could be because the realized pollinator generalization level was influenced not only by floral traits but also by community structure (both composition and abundance of plants and pollinators) (McCall and Primack 1992;Hingston and McQuillan 2000;Ollerton et al 2007;Lázaro et al 2008Lázaro et al , 2009). Lázaro et al (2008) demonstrated that closed flowers were more generalized than open flowers in one of three Scandinavian plant communities because of the variation in composition of the pollinator assemblage.…”

Section: Pollination Generalization Levelmentioning

confidence: 98%

“…Plants with specialized flowers are sometimes visited by generalist pollinators not predicted by their floral syndrome (Herrera 1988a, b;Ollerton et al 2007Ollerton et al , 2009. It is clear that networks of plant-pollinator interactions are usually asymmetrical, and that there exist spatial and temporal variation in the links between plants and pollinators (Alarcón et al 2008; Communicated by Jeff Karron.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Temporal stability of pollinator preference in an alpine plant community and its implications for the evolution of floral traits

Gong

Huang

2011

Oecologia

View full text Add to dashboard Cite

A traditional view of diverse floral traits is that they reflect differences in foraging preferences of pollinators. The role of pollinators in the evolution of floral traits has been questioned recently by broad community surveys, especially studies concerning variation in pollinator assemblages and visitation frequency, which suggest a diminished role of pollinators in floral evolution. Here, we investigate the relationships between six categories of floral traits of 29 species and 10 pollinator functional groups in an alpine meadow in the Hengduan Mountains of China, over three consecutive years. Simpson's diversity index was used to estimate the level of pollinator generalization of each plant species by considering both pollinator groups and their relative visitation frequencies. Multivariate analyses indicated that eight of the ten pollinator groups showed constant preferences for at least two floral traits, leading to a relatively stable level of ecological generalization for most floral traits (two out of three categories), despite the fact that the level of generalization of the entire community varied across years. Shape preferences of butterflies, honeybees and beeflies varied such that open flowers exhibited a lower level of ecological generalization in 2007 than closed flowers, in contrast with the other 2 years. These results suggest that temporally stabilized preferences of diverse pollinators may contribute to the evolution of specialized versus generalized floral traits; however, their role may be moderated by variation in community structure, including both the composition and abundance of plants and pollinators.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Pollination Generalization Levelmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Temporal stability of pollinator preference in an alpine plant community and its implications for the evolution of floral traits

Gong

Huang

2011

Oecologia

View full text Add to dashboard Cite

show abstract

“…Weberling (2007) señala, y las filogenias y análisis biogeográficos reportados por Marquí-nez et al (2009b) confirman, que los ancestros de Drimys, así como el clado suroccidental, son de zona templada a subantártica; proponiendo el levantamiento de los Andes como un evento asociado al origen y especiación del clado nororiental; en este contexto, señala Weberling (2007), extendieron su área en las cadenas montañosas que cruzan los trópicos. La frecuente necesidad de invadir nuevos hábi-tats puede haber prevenido la evolución de relaciones fuertes con polinizadores particulares.…”

Section: Discussionunclassified

Anatomía y desarrollo de estambres y carpelos en Drimys granadensis (Winteraceae)

Marquínez

2014

RBT

View full text Add to dashboard Cite

Recibido 12-viii-2013.Corregido 24-i-2014. Aceptado 26-ii-2014. Abstract: Anatomy and development of stamens and carpels of Drimys granadensis (Winteraceae).Winteraceae has long been considered a family with early diversification among angiosperms, with characters such as: flowers with many spirally arranged parts and apocarpic ovary formed by plicated carpels with sessile stigma. in Drimys, the presence or absence of conspicuous glands on the connective of the stamens have been used as a taxonomic character, and it is considered a synapomorphy for the clade including Drimys angustifolia, D. brasiliensis, D. granadensis and D. roraimensis (Northeastern clade); however, the anatomy of stamens and carpels has only been studied in detail for D. winteri (Southwestern clade). in this research, the presence and the structure of glands on the connective of stamens was studied in seven species of the genus from herbarium specimens, and a detailed study of the anatomy and development of stamens and carpels was carried out by scanning electron and optic microscopy in Drimys granadensis.

show abstract

“…In some flowers with highly ecologically specialised pollination systems (sensu Ollerton et al 2007; e.g. many orchids and asclepiads), the morphology of the flower and pollinator often correspond closely, resulting in pollinaria being placed on specific parts of the pollinator.…”

Section: Introductionmentioning

confidence: 99%

Large pollen loads of a South African asclepiad do not interfere with the foraging behaviour or efficiency of pollinating honey bees

Coombs

Dold

Brassine

et al. 2012

Naturwissenschaften

View full text Add to dashboard Cite

The pollen of asclepiads (Asclepiadoideae, Apocynaceae) and most orchids (Orchidaceae) are packaged as large aggregations known as pollinaria that are removed as entire units by pollinators. In some instances, individual pollinators may accumulate large loads of these pollinaria. We found that the primary pollinator of Cynanchum ellipticum (Apocynaceae-Asclepiadoideae), the honey bee Apis mellifera, accumulate very large agglomerations of pollinaria on their mouthparts when foraging on this species. We tested whether large pollinarium loads negatively affected the foraging behaviour and foraging efficiency of honey bees by slowing foraging speeds or causing honey bees to visit fewer flowers, and found no evidence to suggest that large pollinarium loads altered foraging behaviour. C. ellipticum displayed consistently high levels of pollination success and pollen transfer efficiency (PTE). This may be a consequence of efficiently loading large numbers of pollinaria onto pollinators even when primary points of attachment on pollinators are already occupied and doing so in a manner that does not impact the foraging behaviour of pollinating insects.

show abstract

Multiple meanings and modes: on the many ways to be a generalist flower

Cited by 231 publications

References 65 publications

Temporal stability of pollinator preference in an alpine plant community and its implications for the evolution of floral traits

Temporal stability of pollinator preference in an alpine plant community and its implications for the evolution of floral traits

Anatomía y desarrollo de estambres y carpelos en Drimys granadensis (Winteraceae)

Large pollen loads of a South African asclepiad do not interfere with the foraging behaviour or efficiency of pollinating honey bees

Contact Info

Product

Resources

About