PALYNOLOGICAL STUDY OF ANGIOSPERMS OF ROSTOMID PARK OF TIARET IN ALGERIA
DOI:
https://doi.org/10.4314/jfas.v12i1.1Keywords:
Classification,Angiospermes , Pollen, Apertures,Pollenotheque , AlgeriaAbstract
In the context of establishing a regional pollenothèque, the present work consists of a palynological study carried out on 95 species of amusement and leisure park of Tiaret in Algeria . The realization of the pollen collection of reference allowed us to determine the pollen of each studied species and to establish a Cladogramme of the species Angiosperms which generated a classification of the orders more in conformity with that of APG III (2009) according to the number of apertures of their pollens. In fact, Monocots (Liliales, Asparagales and Arecales) mainly present a pollen with one aperture. While most of the Eudicots (Fabales, Salicales, Malvales, Euphorbiales, Brassicales, Geraniales, Rosales, Myrtales, Boraginales, Lamiales andAsterales) express Triaperturate pollen
The analysis of the results obtained from the classification of the studied species according to the form and the number of the apertures of their pollen revealed that the species having triporate pollen presented 27%, tricolpate 19%, diporate9%,inaperturate pollen 7%, monoporate7%, monocolpate5%, dicolpate5%, stephanocolpate5%, whereas species with other pollen morphology(monad pollen with aériféres ballonets and polyad)represent only an insignificant number. The largest spherical pollen diameter is 116.5 μm and that of iso polar pollendiameters until111.8/116.6μm.
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