Monoicy in A. angustifolia (Bert.) O. Kuntze (Araucariaceae): I. Morphological aspects of the reproductive structures.

作者: Valdir M Stefenon , Clarissa A Caprestano , None

DOI: 10.1590/S0001-37652009000400009

关键词: PollenPlant morphologyPollinationDioecyConiferophytaBotanyBiologyAraucariaAraucariaceaeOvule

摘要: Araucaria angustifolia (Bert.) O. Kuntze is a dioecious conifer species native of Brazil. The rare occurrence monoiceous specimens have been attributed to pathogenic infections or other injuries in adult trees. Here, the morphological characteristics male and female cones pollen grains A. are described. Male presented normal morphology, lacking any sort infection suggesting existence further grounds for monoicy this species.

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