Dioecy in Fitzroya cupressoides (Molina) I.M. Johnst. and Pilgerodendron uviferum (D. Don.) Florin (Cupressaceae) |
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| Authors: | Grosfeld J Barthélémy D |
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| Institution: | Centro Reg. Univ. Bariloche, Univ. Nac. del Comahue, Concejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 8400 Bariloche, Argentina. |
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| Abstract: | The aim of this study was to determine the dioecious or monoecious condition of Fitzroya cupressoides and Pilgerodendron uviferum. The study area lies west of the Nahuel Huapi National Park in northern Patagonia (Argentina), where these species form mixed stands. One hundred individuals of each species were studied over three successive years. The nature and position in the crown of their reproductive organs were recorded. Results showed that both species are dioecious. This feature has been confirmed on trees of these species growing in other sites within their natural distribution area in Argentina and Chile. |
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