Results 11 to 20 of about 12,453 (202)
Temporal and spatial expression of genes involved in DNA methylation during reproductive development of sexual and apomictic Eragrostis curvula [PDF]
Recent reports in model plant species have highlighted a role for DNA methylation pathways in the regulation of the somatic-to-reproductive transition in the ovule, suggesting that apomixis (asexual reproduction through seeds) likely relies on RdDM ...
Echenique, Carmen Viviana +9 more
core +1 more source
A família Annonaceae é comum no Cerrado do Oeste da Bahia, mas os estudos sobre a sua biologia floral, reprodutiva e fenológica na região, bem como dados sobre seus polinizadores, são raros.
Daniele dos Santos Aragão +2 more
doaj +1 more source
Interspecific interactions take place over both long and short time-frames. However, it is not completely understood if the interacting-partners persisted, migrated, or expanded in concert with Quaternary climate and landscape changes.
Andrea S. Sequeira +4 more
doaj +1 more source
(Floral biology and breeding system oi Psychotria tenuinervis Muell. Arg. (Rubiaceae) in the Atlantic rain forest, SE Brazil). The aim of this study was to investigate pollination biology, floral morphometry, morph ratio and breeding system oiPsychotria ...
Carolina Bernucci Virillo +3 more
doaj +1 more source
Fenologia intrafloral das flores aéreas de Trifolium polymorphum Poir. (Leguminosae) e suas implicações reprodutivas [PDF]
Trifolium polymorphum is an amphicarpic species that grows in Uruguay, Argentina, Brazil, Paraguay and Chile. Underground flowers are cleistogamous, obligately autogamous and morphologically highly modified in structure and function.
Bernardello, Gabriel Luis Mario +3 more
core +3 more sources
Niche divergence and limits to expansion in the high polyploid Dianthus broteri complex [PDF]
Niche evolution in plant polyploids remains controversial and evidence for alternative patterns has been reported. Using the autopolyploid Dianthus broteri complex (2×, 4×, 6× and 12×) as a model, we aimed to integrate three scenarios – competitive ...
Balao Robles, Francisco J. +2 more
core +1 more source
The Solanaceae family has a wide distribution, mainly in the tropical and subtropical areas of South America. Solanum L. is one of the most important genera of the family with approximately 1,200 species.
Alexandre Coletto da Silva +3 more
doaj +1 more source
Introdução e objetivos: Pouco sabemos acerca da biologia da polinização de espécies arbóreas tropicais com sistema de polinização por diversos insetos (DI).
Alexandre Tomaz da Fonseca +1 more
doaj +1 more source
Patrones de depósito de polen sobre el cuerpo de los polinizadores en comunidades esfingófilas de Argentina subtropical [PDF]
Patrones de depósito de polen sobre el cuerpo de los polinizadores en comunidades esfingófilas de Argentina Subtropical. Las especies de plantas que coexisten y comparten agentes polinizadores pueden experimentar competencia interespecífica por el ...
Benitez-Vieyra, Santiago Miguel +3 more
core +2 more sources
Biologia, morfologia floral e potencial ornamental de Cyrtopodium saintlegerianum (Orchidaceae)
Cyrtopodium saintlegerianum é uma das poucas epífitas no gênero e caracteriza-se por apresentar touceiras grandes e vistosas. Apresenta numerosas flores com sépalas amarelas maculadas de marrom e pétalas totalmente amarelas.
Viviane Luiza Hunhoff +4 more
doaj +1 more source

