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TAXONOMIC SURVEY OF THE ARACEAE JUSS. IN THE COASTAL REGION OF PIAUÍ STATE, NORTHEAST BRAZIL, INCLUDING THE RIO PARNAÍBA DELTA

2017; Fundación Zoobotánica de Rio Grande do Sul; Volume: 72; Issue: 3 Linguagem: Inglês

10.21826/2446-8231201772304

2446-8231

Rafaelle Neves Freitas, Maria Francilene Souza Silva, Jousimar Silva Paiva, Simon Joseph Mayo, Ivanilza Moreira de Andrade,

Plant Diversity and Evolution

This is the fi rst taxonomic study of the family Araceae in the state of Piauí, Northeast Brazil. The survey was conducted in four coastal municipalities (Ilha Grande, Luiz Correia, Cajueiro da Praia and Parnaíba) of the state. Eight species were recorded in six genera: Lemna aequinoctialis Welw., L. valdiviana Phil., Montrichardia linifera (Arruda) Schott, Pistia stratiotes L., Wolffiella lingulata (Hegelm.) Hegelm., W. oblonga (Phil.) Hegelm., Taccarum ulei Engl. & K. Krause and Spathicarpa gardneri Schott. Of these, two are geophytes (T. ulei, S. gardneri) and the others are aquatic macrophytes. Descriptions, illustrations, phenology and habitat information are given for each species as well as a key to their identifi cation.