Abstract
Tovomitopsis Planch. & Triana is a Brazilian Atlantic Forest endemic genus composed of two species: T.paniculata (Spreng.) Planch. & Triana and T.saldanhae Engl. An investigation was conducted to clarify the nomenclatural history of Tovomitopsis. We report the results of this investigation, provide an updated description of the genus, and propose lectotypes for T.paniculata and its synonyms: Tovomitafoliosa C.Presl and Tovomitapaniculata Cambess. We also propose lectotypes for T.saldanhae and for the new synonym Clusiaangustifolia Engl.
Highlights
Tovomitopsis Planch. & Triana is a Brazilian endemic genus currently composed of two species: T. paniculata (Spreng.) Planch. & Triana and T. saldanhae Engl
Tovomitopsis was proposed by Planchon and Triana (1860) as a replacement name for Bertolonia Spreng. [with just one species, B. paniculata, which was initially attributed to Chenopodiaceae], a later homonym of Bertolonia Raddi (Melastomataceae)
Along with the newly transferred T. paniculata they described five additional new species, all six of which they felt could be distinguished from Chrysochlamys and Tovomita
Summary
Tovomitopsis Planch. & Triana is a Brazilian endemic genus currently composed of two species: T. paniculata (Spreng.) Planch. & Triana and T. saldanhae Engl. Tovomita Aubl., these three genera were known by Planchon and Triana (1860: 225) as Les Tovomitées, being differentiated from each other especially by the arrangement of sepals on the floral bud: in Chrysochlamys and Tovomitopsis the outer sepals are smaller, exposing the inner sepals in bud, while in Tovomita the outer sepals are larger, covering the inner sepals and petals. Pollen morphology and aril anatomy (Planchon and Triana 1860; Hammel 1999; Stevens 2007; Marinho et al 2019) have been suggested as promising to distinguish these two genera, but were so far gathered from only a few species of Chrysochlamys. Tovomitopsis includes only two species, the genus has a long taxonomic history (see Hammel 1999), with several species floating among the three genera of Les Tovomitées (sensu Planchon and Triana 1860). We propose lectotypes for T. saldanhae and its new synonym, Clusia angustifolia Engl
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