1998
DOI: 10.1590/s0100-84041998000100001
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Morfologia polínica de Camarea St.-Hil. (Malpighiaceae)

Abstract: -(Pollen grain morphology of Camarea St.-Hil. (Malpighiaceae)). Pollen grains of eight species of Camarea, including a hybrid one are described and illustrated. The species present very similar pollen grains showing some differences in the apertures and ornamentation type. An identification key of the species studied is also presented.RFSUMO -(Morfologia polínica de Camarea St.-Hil. (Malpighiaceae)). Grãos de pólen de oito espécies de Camarea, incluindo uma espécie híbrida, são descritos e ilustrados. As espéc… Show more

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“…Erdtman (1952) and Makino-Watanabe et al (1998) studied the pollen morphology of C. affinis. Their data diverge from this study in the type of aperture because, according to Makino-Watanabe et al (1998), this species presents united colpoids that join the pores three by three in different plans, whereas Erdtman (1952) described species that demonstrated 12 distinct pores. In the present study, the pollen grains were described with 6-8 porates, where the pores associated or not with the colpoids and were not united.…”
Section: Discussioncontrasting
confidence: 58%
“…Erdtman (1952) and Makino-Watanabe et al (1998) studied the pollen morphology of C. affinis. Their data diverge from this study in the type of aperture because, according to Makino-Watanabe et al (1998), this species presents united colpoids that join the pores three by three in different plans, whereas Erdtman (1952) described species that demonstrated 12 distinct pores. In the present study, the pollen grains were described with 6-8 porates, where the pores associated or not with the colpoids and were not united.…”
Section: Discussioncontrasting
confidence: 58%
“…Grãos de pólen com colpóides associados ou não a poros, também foram observados na família Malpighiaceae, com os poros localizados próximos à extremidade ou descentralizados nos colpóides (Makino-Watanabe et al 1993a, b, 1998. A presença de colpóides vestigiais em Pavonia sugere que estes podem estar sofrendo processo de encurtamento e desaparecimento da ectoabertura (colpo), dando lugar a poros distribuídos pela superfície do grão, conforme foi referido anteriormente por Christensen (1986) para Malvaceae s.s. Segundo Esteves (1996) a diversidade e a descoberta de espécies novas de Pavonia na região neotropical, associadas ao elevado grau de endemismo, parecem indicar que o gênero encontra-se em plena evolução.…”
Section: Discussionunclassified