Comparative analysis of the occurrence of Ditassa R.Br. and Minaria T.U.P. Konno & Rapini (Apocynaceae: Asclepiadoideae)
DOI:
https://doi.org/10.19180/1809-2667.v24n12022p181-193Keywords:
Clado MOG, Floristic Survey, MetastelmatinaeAbstract
The objective of this work was to catalog the species of the genera Ditassa and Minaria occurring in the municipality of Lavras (Brazil). For that, the description of species and an identification key were carried out. A comparison was made with the occurrence reported in other surveys, in order to identify the representativeness of these species in the municipality. The study recommended the consultation in the ESAL Herbarium, as well as the herbaria SPF, HUEFS, JBRJ, NY and UEC, which presented collections for the municipality of Lavras. The results of this study were also compared with five other studies performed through two-way cluster analysis. Five species were found: Ditassa eximia, D. lenheirensis, D. mucronata, Minaria acerosa and M. cordata. About the degree of endemism, M. cordata ran it only in Lavras, suggesting that this species may be endemic to the site. The greatest similarity occurs between the cities of Lavras and Cadeia do Espinhaço. Even though Lavras presented a reduced territorial extension, the diversity of the taxa in question was considerable, revealing a species of limited occurrence for the region.Downloads
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