2008
DOI: 10.1590/s0100-84042008000300003
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Biologia reprodutiva de Rourea induta Planch. (Connaraceae), uma espécie heterostílica de cerrado do Brasil Central

Abstract: -(Reproductive biology of Rourea induta Planch. (Connaraceae), a heterostylous species from the cerrado of Central Brazil). Heterostyly is a floral polymorphism usually associated to intramorph-incompatible mating system. We evaluated reproductive aspects of heterostyly in a Rourea induta Planch. population in a cerrado area of Brasília, Central Brazil. Analyses of the floral biology, breeding systems, fruit set and maturation, seed germination, reproductive phenology and floral visitors of were conducted. The… Show more

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Cited by 8 publications
(9 citation statements)
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“…In "cerrado", the family is represented by seven shrubby-arboreal species distributed around the genera Rourea and Connarus (Lenza et al, 2008). The cerrado is the second biggest Brazilian and Latin American biome, and has many potential medicinal species that have not yet been subject to scientific study (Recor, 2009).…”
Section: Introductionmentioning
confidence: 99%
“…In "cerrado", the family is represented by seven shrubby-arboreal species distributed around the genera Rourea and Connarus (Lenza et al, 2008). The cerrado is the second biggest Brazilian and Latin American biome, and has many potential medicinal species that have not yet been subject to scientific study (Recor, 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Even with higher fruit production in both areas in 2017, the flowers to fruits transformation rate around 4% can be considered low when compared to the 80% found for Q. parviflora (Palermo and Miranda, 2012), 25 % to 40% found for Rourea induta Planch (Lenza et al, 2008) and 36% and 60% for Byrsonima umbellata Mart. ex A. Juss.…”
Section: Discussionmentioning
confidence: 77%
“…Mas a autoincompatibilidade parcial registrada no morfo brevistilo de D. fruticosa e P. deflexa é uma situação rara em espécies distílicas, uma vez que são mais comuns as variações no sistema de incompatibilidade do morfo longistilo (Lenza et al 2008;Novo 2010;Faria et al 2012). A autoincompatibilidade parcial também foi encontrada no morfo longistilo de Villarsia lasiosperma F. Muell.…”
Section: Discussionunclassified
“…Alguns trabalhos discutem que variações no sistema de incompatibilidade pode ser resultado do relaxamento ou da perda da incompatibilidade podendo causar a quebra de todo o sistema distílico (Lloyd & Webb 1992;Barrett & Shore 2008), sendo, aparentemente, mais registrado no morfo longistilo (Lenza et al 2008;Novo 2010;Faria et al 2012). Em muitos casos, a evolução de diferentes graus de eficácia na autocompatibilidade em espécies distílicas parece ser uma condição selecionada para segurança reprodutiva, sobretudo quando populações estão sob algum tipo de pressão seletiva (Schemske & Lande 1985;Barrett & Shore 1987;Schoen et al 1997).…”
Section: Introductionunclassified