2001
DOI: 10.1590/s0100-204x2001000200002
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Occurrence and structure of extrafloral nectariesin Pterodon pubescens Benth. and Pterodon polygalaeflorus Benth.

Abstract: -Extrafloral nectaries (EFNs) are structurally variable and widely spread among the angiosperms. The occurrence of EFNs in leaves of Pterodon polygalaeflorus Benth. and Pterodon pubescens Benth. (Fabaceae: Papilionoideae) were detected in adult specimens, at the time of production of new buds and flowers. The goals of the present study are to register the occurrence of the EFNs in P. pubescens and P. polygalaeflorus, and provide comparative data on the anatomical structures. The EFNs occur in the rachis and ar… Show more

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Cited by 26 publications
(27 citation statements)
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“…The absence of pores or channels in the cuticle leads us to suppose that colleter secretion release occurs by cuticle rupture as the result of pressure exerted by secretion accumulated in the subcuticular space (Mohan & Inandar, 1986;Paiva et al, 2001).…”
Section: Discussionmentioning
confidence: 99%
“…The absence of pores or channels in the cuticle leads us to suppose that colleter secretion release occurs by cuticle rupture as the result of pressure exerted by secretion accumulated in the subcuticular space (Mohan & Inandar, 1986;Paiva et al, 2001).…”
Section: Discussionmentioning
confidence: 99%
“…temporal na atividade secretora é comumente observada em NEFs e também foi relatada em outros gêneros de Leguminosae Paiva et al, 2001). Alguns caracteres, como posição, formato e coloração dos NEFs, possuem valor taxonômico em Leguminosae (Bhattacharyya & Maheshwari, 1971a).…”
Section: Alcalóidesunclassified
“…Nas Fabaceae do cerrado, os NEFs são mais freqüentes entre os membros da subfamília Mimosoideae, conforme sugerem Oliveira & Leitão Filho (1987) embora, segundo Paiva et al (2001), a presença de plantas portadoras de NEFs neste bioma seja subestimada.…”
Section: Introductionunclassified