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Morfo-anatomia e aspectos da biologia floral de Cabraela canjerana (Vell.) Mart. (Meliaceae) / Morphology, anatomy and floral biology of Cabrraela canjerana (Vell.) Mart. (Meliaceae)
Moscheta, Ismar S; Mourão, Káthia S. M; Rosa, Sonia M. da; Souza, Luiz A.
  • Moscheta, Ismar S; Universidade Estadual de Maringá. Departamento de Biologia. Maringá. BR
  • Mourão, Káthia S. M; Universidade Estadual de Maringá. Departamento de Biologia. Maringá. BR
  • Rosa, Sonia M. da; Universidade Estadual de Maringá. Departamento de Biologia. Maringá. BR
  • Souza, Luiz A; Universidade Estadual de Maringá. Departamento de Biologia. Maringá. BR
Acta cient. venez ; 53(4): 239-244, 2002. ilus
Article in Portuguese | LILACS | ID: lil-343942
ABSTRACT
Cabralea canjerana (Vell.) Mart. is a tree that occurs frequently in secondary forests of Maringá, Paraná, Brazil and presents a valuable wood. Its flowering time occurs from August to October and the anthesis occurs during the night. Its flowers are visited by Lepidoptera-Noctuidae. The flowers are unisexual and solitary or arranged in panicles. The perianth presents a papillose epidermis with striate cuticle and a parenchymatic mesophyll. Ten stamens constitute the androecium and are arranged in a staminal tube with anthers. The anthers present epidermis, endothecium, two median layers and secretory tapetum with binucleate cells. The semi- nferior ovary presents anatropous, bitegmic and crassinucelate ovules. The nectaries are located in the base of the ovary and staminal tube and they present papillose epidermis with stomata and secretory parenchyma with a conspicuous phloematic tissue. Key Words Cabraleacanjerana, flower, anthesis, morphology, anatomy.
RESUMEN
Cabralea canjerana (Vell) Mart. es una especie arbórea de madera valiosa que crece en matorrales secundarios de Maringá, Estado del Paraná, Brasil, de alli fueron recoled flores y capullos para el presente estudio. Florece desde agosto hasta octubre y presenta antesis nocturna. Sus flores son visitadas por lepidópteros de la familia Noctuidae. Las flores se disponen en panículas o son solitarias y son diclinas. El perianto tiene epidermis con cutfcula estriada y papilosa y mesófilo parenquimático. Los estambres en número de 10 forman un tubo estaminal, cuyas anteras son caracterizadas mortológicamente y luego anatómicamente, cuya pared está constituida por epidermis, endotecio, dos capas medias y tapete secretor binucleado. El ovario es semi-infero y presenta óvulos anátropos con dos tegumentos y crasinucelados. Los nectarios ocurren en la base del ovario y tubo estaminal y tienen epidermis con pelos, estomas y parénquima secretor con tejido floemático predominante
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Full text: Available Index: LILACS (Americas) Main subject: Meliaceae / Flowers Country/Region as subject: South America / Brazil Language: Portuguese Journal: Acta cient. venez Journal subject: Science Year: 2002 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Maringá/BR

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Full text: Available Index: LILACS (Americas) Main subject: Meliaceae / Flowers Country/Region as subject: South America / Brazil Language: Portuguese Journal: Acta cient. venez Journal subject: Science Year: 2002 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Maringá/BR