Editorial

Fernandes, Fernanda Dreux Miranda

doi:10.1590/s1516-80342012000200001

Cited by 1 publication

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“…Veranso-Libalah & G.Kadereit, while the latter is described as N. alenensis Veranso-Libalah & O.Lachenaud. A review of relevant literature ( Keay 1954 ; Fernandes and Fernandes 1969 , 1978 ; Wickens 1975 ; Jacques-Félix 1983a , 1983b ) confirms that N. alenensis differs from all taxa of African Melastomateae so far described.…”

Section: Introductionmentioning

confidence: 70%

“…has long been regarded as the largest African genus of the tribe, with about 120 species on the continent (Renner 1993) and a single species in Madagascar (Jacques-Félix 1995). Its delimitation, however, has been problematic (Fernandes and Fernandes 1969; Jacques-Félix 1981, 1995), and phylogenetic study has shown the genus to be polyphyletic (Veranso-Libalah et al 2017a). As a result, the genera Dissotidendron (A.Fern.…”

Section: Introductionmentioning

confidence: 99%

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Nothodissotis (Melastomataceae), a new genus from Atlantic Central Africa, including the new species N. alenensis from Equatorial Guinea

Veranso‐Libalah¹,

Lachenaud²,

Stone³

et al. 2019

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Based on morphological and phylogenetic evidence, a new genus of Melastomataceae (Melastomateae), Nothodissotis Veranso-Libalah & G.Kadereit, gen. nov., is described from Atlantic Central Africa. Nothodissotis is distinguished from other African Melastomateae genera by its calyx-lobes that are notched at apex and asymmetrical (vs. entire and symmetrical). Nothodissotis includes two species: the type species N.barteri (Hook.f.) Veranso-Libalah & G.Kadereit, comb. nov. (syn. Dissotisbarteri Hook.f.), and the new species N.alenensis Veranso-Libalah & O. Lachenaud, sp. nov., described and illustrated here. Both species are restricted to open vegetation on rock outcrops within the forested region of Atlantic Central Africa. Nothodissotisbarteri has a scattered distribution in Cameroon, Equatorial Guinea, Gabon and Príncipe Island, while N.alenensis is endemic to the Monte Alén massif in Equatorial Guinea, an area where N.barteri does not occur. Nothodissotisalenensis differs from N.barteri by its hypanthium bearing sessile appendages with penicillate hairs (vs. stalked stellate appendages) and its staminal appendages that are much smaller in antepetalous than in antesepalous stamens (vs. subequal in all stamens). The conservation status of both N.barteri and N.alenensis is assessed as Vulnerable in accordance with IUCN criteria.

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