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Uniflorous species are extremely rare within the large rain forest genus Ixora. On Madagascar, however, six uniflorous species occur. Five of these belong to section Microthamnus, which is revised here. A description and illustration is provided for all species, together with a determination key. Two species, I. clandestina and I. rakotonasoloi, are newly described. The species of Microthamnus are special, not only because of their uniflorous inflorescences, but also because the ovary, calyx and base of the corolla tube of the single flower is enclosed within the stipular cone of the inflorescence-supporting leaf pair, a type of organization which is extremely rare in the Rubiaceae

BR Staff Publications [a] (paper in international, peer reviewed journal)

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New combinations and new synonyms for the genus Coptosperma are assembled here in preparation for a revision of the Malagasy representatives of the genus and a check-list of the Rubiaceae of Madagascar and the Comores. Ixora pachyphylla, I. sessiliflora as well as Enterospermum bernerianum, E. borbonicum, E. coriaceum, E. humblotii and E. madagascariensis are transferred to the genus Coptosperma. Ixora linearifolia is placed in the synonymy of C. nigrescens

BR Staff Publications [a] (paper in international, peer reviewed journal)

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BR Staff Publications [a] (paper in international, peer reviewed journal)

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BR Staff Publications --- NBGB shoplist --- Africa --- Ixora --- Rubiaceae --- distribution maps

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BR Staff Publications