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Registros recuperados: 10
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A revision of Mnesithea (Gramineae – Rottboelliinae) in Malesia and Thailand Naturalis
Veldkamp, J.F.; Boogaart, M.E.B. van den; Heidweiller, J.; Klaauw, M.A.F. van der; Koning, R. de; Kraaijeveld, A.R.; Sosef, M.S.M.; Strucker, R.C.W..
A revision of Mnesithea (Gramineae – Rottboelliinae) in Malesia and Thailand showed that 11 species and 2 varieties occur. The suggestion that there would be a drought plant refuge in SE Borneo near Banjarmasin is supported.
Tipo: Article / Letter to the editor Palavras-chave: Andropogoneae; Borneo; Drought plants; Gramineae; Malesia; Mnesithea; Poaceae; Rottboelliinae; Thailand.
Ano: 2013 URL: http://www.repository.naturalis.nl/record/525930
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Generic delimitation of Rottboellia and related genera (Gramineae) Naturalis
Veldkamp, J.F.; Koning, R. de; Sosef, M.S.M..
Generic delimitations within the Rottboelliastrae Stapf and Coelorachidastrae Clayton (formal name) are revised. Coelorachis Brongn., Hackelochloa O. Ktze, Heteropholis C.E. Hubb., Ratzeburgia Kunth, and Rottboellia formosa R. Br, are to be included in Mnesithea Kunth. Heteropholis cochinchinensis (Lour.) Clayton and its variety chenii (Hsu) Sosef & Koning are varieties of Mnesithea laevis (Retz.) Kunth. Robynsiochloa Jacq.-Félix is to be included in Rottboellia L. f. The necessary new combinations, a list of genera and representative species, and a key to the genera are given. In the Appendix a new species of Rottboellia, R. paradoxa Koning & Sosef, is described from the Philippines. The enigmatic species Rottboellia villosa Poir. is transferred...
Tipo: Article / Letter to the editor
Ano: 1986 URL: http://www.repository.naturalis.nl/record/524723
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Hypolytrum unispicatum (Cyperaceae), a new species from Cameroon Naturalis
Sosef, M.S.M.; Simpson, D.A..
A new species of Hypolytrum (Cyperaceae), H. unispicatum Sosef & D.A. Simpson, from southern Cameroon is described and illustrated. Some remarks on its ecology and related species are given.
Tipo: Article / Letter to the editor Palavras-chave: Cyperaceae; Hypolytrum; Africa; Cameroon; Taxonomy.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/525420
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Novitates Gabonenses 52. A new variety within the Sporobolus indicus complex (Gramineae) Naturalis
Sosef, M.S.M.; Ngok Banak, L..
Within the polymorphic S. indicus complex a new variety, var. saxicola Sosef & Ngok Banak, is being distinguished, based on its small habit, short and narrow leaves and especially its lax panicle with short primary branches.
Tipo: Article / Letter to the editor Palavras-chave: Sporobolus; Grasses; Inselbergs; Taxonomy; Africa; Gabon.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/524798
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Novitates Gabonenses 69. A new endemic species of and a new combination in Campylospermum (Ochnaceae) Naturalis
Bissiengou, P.; Sosef, M.S.M..
A new species of Campylospermum endemic to the Crystal Mountains, Gabon, and belonging to sect. Notocampylum is described. Besides that, a West-Central African species of Ouratea, nowadays a strictly South American genus, is transferred to Campylospermum and the necessary new combination made.
Tipo: Article / Letter to the editor Palavras-chave: Ochnaceae; Campylospermum; Ouratea; Africa; Gabon; Crystal Mountains; Endemism; Taxonomy.
Ano: 2008 URL: http://www.repository.naturalis.nl/record/525330
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Novitates Rio Munis 2. A new species of Begonia section Loasibegonia (Begoniaceae) from the Monte Alen region, Equatorial Guinea Naturalis
Sosef, M.S.M.; Nguema Miyono, N.S..
A new, yellow-flowering species of Begonia, B. aequatoguineensis, is being described from the Monte Alen region in Equatorial Guinea. It belongs to the section Loasibegonia and supports the idea that the Monte Alen region harbours an exceptionally high biodiversity and possibly represents a former Pleistocene rain forest refuge.
Tipo: Article / Letter to the editor Palavras-chave: Begoniaceae; Biodiversity; Equatorial Guinea; Monte Alen; Pleistocene refuge; Taxonomy.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/525515
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Taxonomic novelties in African Dracaena (Dracaenaceae) Naturalis
Damen, T.H.J.; Burg, W.J. van der; Wiland-Szymańska, J.; Sosef, M.S.M..
In preparing the treatment of Dracaena for Flore du Gabon and Flore d’Afrique centrale, a relatively high number of taxonomic and nomenclatural novelties were discovered; these are presented here. Within Dracaena five species and one forma are described as new, D. bushii, D. haemanthoides, D. marina, D. wakaensis, D. waltersiae and D. laxissima forma aureilicia. Each new species is provided with a full description and taxonomic notes. Apart from that, five species are reinstated, D. braunii, D. nitens, D. perrottetii, D. tholloniana and D. usambarensis. A further 23 names are treated here as a synonym for the first time: D. bequaertii, D. buettneri, D. cuspidibracteata, D. densifolia, D. gabonica, D. gazensis, D. ledermannii, D. letestui, D. litoralis, D....
Tipo: Article / Letter to the editor Palavras-chave: Africa; Central Africa; Dracaena; Gabon; Lucky Bamboo; New species; Taxonomy.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/650130
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Taxonomic novelties in the genus Campylospermum (Ochnaceae) Naturalis
Bissiengou, P.; Chatrou, L.W.; Wieringa, J.J.; Sosef, M.S.M..
Four new species, one with two subspecies, of the genus Campylospermum are described, all endemic or sub-endemic to Gabon. These are C. auriculatum, C. gabonensis, C. gabonensis subsp. australis, C. glaucifolium and C. occidentalis. Distribution maps and scans of the holotypes are provided as well as preliminary IUCN Red List assessments. New combinations for nine species formerly assigned to the genus Ouratea and/or Gomphia are proposed: C. andongensis, C. glomeratum, C. longestipulatum, C. lunzuensis, C. lutambensis, C. nutans, C. plicatum and C. warneckei. Finally, one taxon is raised from the variety to species level, leading to the new combination C. costatum.
Tipo: Article / Letter to the editor Palavras-chave: Africa; Campylospermum; Conservation; Gabon; Gomphia; IUCN Red List; Ochnaceae; Ouratea; Taxonomy.
Ano: 2013 URL: http://www.repository.naturalis.nl/record/525772
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The Malesien species of Paspalum L. (Gramineae) Naturalis
Koning, R. de; Sosef, M.S.M..
Paspalum L. (Gramineae: Paniceae) has 14 species in Malesia, 5 of which are cultivated only. In the P. scrobiculatum-complex 5 varieties have been distinguished. One of these (from Africa) needed a new name: var. lanceolatum Koning & Sosef, another (from Southeast Asia) a new combination: var. horneri (Henr.) Koning & Sosef.
Tipo: Article / Letter to the editor
Ano: 1985 URL: http://www.repository.naturalis.nl/record/525488
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Trillesanthus, a validly published name to replace the African genus Marquesia (Dipterocarpaceae) Naturalis
Sosef, M.S.M..
The name Trillesanthus excelsus occurs on a set of drawings prepared by E. Delpy and shows the African Dipterocarpaceous species known as Marquesia excelsa, a near endemic of Gabon. It turns out to be an overlooked but effectively and validly published name. Therefore, the genus name Trillesanthus has priority over Marquesia. The necessary new combinations are made.
Tipo: Article / Letter to the editor Palavras-chave: E. Delpy; Dipterocarpaceae; Gabon; Marquesia; Nomenclature; Louis Pierre; Trillesanthus.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/526051
Registros recuperados: 10
Primeira ... 1 ... Última
 

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