1997
DOI: 10.1590/s0100-84041997000200003
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Biologia floral de Vochysia cinnamomea Pohl (Vochysiaceae) em cerrados do Triângulo Mineiro, MG

Abstract: -(Floral biology of Vochysia cinnamomea Pohl (Vochysiaceae) in cerrados of the Triângulo Mineiro, MG). Vochysia cinnamomea is a small tree commom in the cerrado vegetation in southern areas of Central Brazil. The yellow zigomorphic flowers have a gamosepalous calix with a larger spurred lobe. The one-day flowers open during the morning and the only stamen is ejected during the anthesis leaving the pollen on the style, a kind of secondary pollen presentation. The most common visitors are Epicharis bees and othe… Show more

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Cited by 9 publications
(17 citation statements)
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“…For the Vochysiaceae, two different kinds of self-incompatibility mechanisms have been observed based on pollen tube growth (Oliveira 1998). In Vochysia, pollen tubes from selfpollination are arrested along the style (Oliveira & Gibbs 1994;Santos et al 1997), as observed in classic GSI, but in Qualea and Callisthene, self-pollen tubes grow down to the ovary and were observed sometimes penetrating the micropile of the ovules, which would characterize a lateacting self-incompatibility mechanism (Oliveira 1998). Hence, the association between wet stigma and GSI can be applied to Vochysia cinnamomea which presents self-pollen tube arresting along the style , but any generalization is made difficult due to the late-acting selfincompatibility found in Callisthene major and Qualea parviflora (Oliveira 1998).…”
Section: Discussionmentioning
confidence: 97%
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“…For the Vochysiaceae, two different kinds of self-incompatibility mechanisms have been observed based on pollen tube growth (Oliveira 1998). In Vochysia, pollen tubes from selfpollination are arrested along the style (Oliveira & Gibbs 1994;Santos et al 1997), as observed in classic GSI, but in Qualea and Callisthene, self-pollen tubes grow down to the ovary and were observed sometimes penetrating the micropile of the ovules, which would characterize a lateacting self-incompatibility mechanism (Oliveira 1998). Hence, the association between wet stigma and GSI can be applied to Vochysia cinnamomea which presents self-pollen tube arresting along the style , but any generalization is made difficult due to the late-acting selfincompatibility found in Callisthene major and Qualea parviflora (Oliveira 1998).…”
Section: Discussionmentioning
confidence: 97%
“…Reproductive biology and floral specialization have been discussed for many Cerrado species of Vochysiaceae (Silberbauer-Gottsberger & Gottsberger 1975;Oliveira & Gibbs 1994;Oliveira 1996;Santos et al 1997). These studies have shown varied pollination and breeding systems in the family: Salvertia convallariodora is hawkmoth pollinated and self-compatible (Oliveira 1996); Vochysia species were visited and pollinated mainly by large bees (sensu Frankie et al 1983) and secondarily by hawkmoths and hummingbirds.…”
Section: Introductionmentioning
confidence: 99%
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“…transferidos das anteras para o estilete, antes mesmo das flores estarem totalmente abertas, funcionando o estilete como a estrutura onde o pólen fica depositado, sendo o estigma terminal. Dessa forma, quando as flores começam a abrir e a receber os primeiros visitantes florais, a maioria já perdeu as anteras (Oliveira & Gibbs 1994;Oliveira, 1996;Santos et al 1997;Oliveira 1998). …”
unclassified
“…Dentre as espécies de plantas que são geralmente encontradas em dunas e restingas no Brasil, algumas do gênero Vochysia (Vochysiaceae) são comuns. A família Vochysiaceae possui seis gêneros com distribuição neotropical (Cronquist 1981), sendo que o gênero Vochysia engloba 100 espécies bem distribuídas nas diversas regiões do Brasil, especialmente nos ecossistemas de Cerrado do Brasil central (Barroso, 1984) e 19 que ocorrem no Estado da Bahia (Stafleu 1948 (Oliveira & Gibbs 1994;Oliveira, 1996;Santos et al 1997;Oliveira 1998).…”
unclassified