作者: Valdir M Stefenon , Clarissa A Caprestano , None
DOI: 10.1590/S0001-37652009000400009
关键词: Pollen 、 Plant morphology 、 Pollination 、 Dioecy 、 Coniferophyta 、 Botany 、 Biology 、 Araucaria 、 Araucariaceae 、 Ovule
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.