Search results for "Dendrological flora"
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Araucaria columnaris (Araucariaceae) casual alien in Sicily
2021
The first case of spontaneous regeneration of Araucaria columnaris in Europe is reported. Data are given on the taxon and on the Sicilian site where A. columnaris - native to New Caledonia (Australia) - tends to spread autonomously.
A critical form of Celtis tree (Ulmaceae) occurring in Sicily
2021
The morphological variability of the Sicilian population of Celtis australis is examined. On the basis of leaf and branching characters, recurrent in various trees growing both in natural and urban environment, a new variety is recognized and described, indicated as Celtis australis var. panormitana. The most significant differential characters and the ecology of the new taxon are reported. Finally, the taxonomic affinities with the two other conspecific taxa are recalled. At the current state of knowledge the new variety is endemic to Sicily.