5 documents found, page 1 of 1
The functional roles of 3D heterostyly and floral visitors in the reproductive ...
Rech, André Rodrigo; Achkar, Marina Teixeira [UNESP]; Jorge, Leonardo Ré; Armbruster, W. Scott; Almeida, Odair J.G.Made available in DSpace on 2020-12-12T01:15:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-03-01; Heterostyly is a floral polymorphism that reduces conflicts between sexual functions (sexual interference), such as self-pollination in self-incompatible flowers and loss of pollen to incompatible stigmas. In many distylous pollination systems, there is a remarkable structural fit between the stigmas of...
Reproductive biology of Davilla kunthii a. St-Hil. (dilleniaceae) in central Am...
Rech, André Rodrigo; Lazari Manente-Balestieri, Fatima Cristina de; Absy, Maria Lúcia(This survey aimed at describing the interactions of floral visitors and Davilla kunthii A. St.-Hil. as well as characteristics of its reproductive biology in Itacoatiara, state of Amazonas, Brazil. Tests of the breeding system were performed. The guild of visitors was described according to richness, abundance, relative frequency and constancy. The breeding system tests indicated that D. kunthii is self-compat...
Pollen storages in nests of bees of the genera Partamona, Scaura and Trigona (H...
Rech, André Rodrigo; Absy, Maria LúciaBees and angiosperms established a mutualistic relationship along the evolutionary time. The aim of this study is to contribute for the understanding of this relation analyzing pollen stored by stingless bees colonies distributed along the Rio Negro. Fourteen species of Meliponini from the genera Partamona, Scaura, and Trigona were studied with regard to the content of pollen pots. The pollen material was remov...
The diversity and evolution of pollination systems in large plant clades: Apocy...
Vieira, Milene Faria; Ollerton, Jeff; Liede-Schumann, Sigrid; Endress, Mary E.; Meve, Ulrich; Rech, André Rodrigo; Shuttleworth, Adam; Fishbein, MarkLarge clades of angiosperms are often characterized by diverse interactions with pollinators, but how these pollination systems are structured phylogenetically and biogeographically is still uncertain for most families. Apocynaceae is a clade of >5300 species with a worldwide distribution. A database representing >10 % of species in the family was used to explore the diversity of pollinators and evolutionary sh...
The diversity and evolution of pollination systems in large plant clades: Apocy...
Ollerton, Jeff; Liede-Schumann, Sigrid; Endress, Mary E.; Meve, Ulrich; Rech, André Rodrigo; Shuttleworth, Adam; Keller, Héctor A.; Fishbein, MarkMade available in DSpace on 2019-10-06T16:57:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-23; British Ecological Society; Consejo Nacional de Investigaciones Científicas y Técnicas; Background and Aims: Large clades of angiosperms are often characterized by diverse interactions with pollinators, but how these pollination systems are structured phylogenetically and biogeographically is still unce...