Revision of Eulophia (Orchidaceae) in Nigeria, Cameroon, Equatorial Guinea, Gabon, and the Republic of the Congo

Background and aims – The genus Eulophia (Orchidaceae) is revised for Nigeria, Cameroon, Equatorial Guinea, Gabon, and the Republic of the Congo. The aims are: to present a morphological characterization of the main vegetative and reproductive features of Eulophia to clarify the delimitation of the taxa within the genus in the studied countries; to provide an updated identification key and an updated checklist of the genus with nomenclatural data, distribution maps, ecological information, and preliminary conservation status. This revision may serve as a basis for future studies of the genus in other regions of Africa.Material and methods – Relevant material kept in BM, BR, FHI, HBG, K, MA, P, and WAG was examined, using standard practices of herbarium taxonomy. Vegetative and reproductive structures were analysed. MapMaker was used to produce the distribution maps.Key results – A total of 24 species are recognised in the study area. The variability of perennating organs, leaves, sepals and petals, lip (including ornamentation), spur, and anther cap are described and depicted, and were found to be informative for species recognition. A taxonomic treatment is given with an identification key, synonymy, distribution maps, preliminary conservation status, and specimen citations. Eulophia galeoloides is neotypified, E. brevipetala, E. leonensis, E. penduliflora, and Lissochilus elatus are lectotypified. According to our study, we consider E. parvula a synonym of E. pyrophila. E. sordida is considered as a doubtful species in the study area.

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Taxonomic Synopsis of the genus Chamaecrista (Leguminosae, Caesalpinioideae) in the Chapada dos Veadeiros region, Goiás, Brazil

Phytotaxa ◽

10.11646/phytotaxa.427.3.1 ◽

2019 ◽

Vol 427 (3) ◽

pp. 131-185

Author(s):

ALESSANDRO OLIVEIRA DE SOUZA ◽

GWILYM PETER LEWIS ◽

MARCOS JOSÉ DA SILVA

Keyword(s):

National Park ◽

Conservation Status ◽

The State ◽

Identification Key ◽

Distribution Maps ◽

Northern Portion ◽

Herbarium Collections

Chamaecrista is one of the largest genera of Leguminosae subfamily Caesalpinioideae and comprises 330 species, of these, 222 species are present in the Phytogeographic Cerrado Domain in Brazil. The taxonomy of the genus in Brazil continues to need study. Here we present a taxonomic synopsis of Chamaecrista for the Chapada dos Veadeiros (CV) region, which is located in the northern portion of the state of Goiás, Brazil. Fieldwork was carried out in the area between 2010 and 2018; we also reviewed the literature and about 1500 herbarium collections to build the synopsis of species presented here. We record 65 species (71 taxa) of Chamaecrista occurring in the CV, corresponding to 60% of the species registered for the state of Goiás; 49 species at Chapada dos Veadeiros National Park (CVNP), 27 and 19 are endemic to the state of Goiás and the studied area respectively. An identification key and distribution maps, as well as comments on morphology and conservation status are presented, together with photograhs of the species in the field.

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Five new species of Streptocarpus (Gesneriaceae) from Katanga, D.R. Congo

Plant Ecology and Evolution ◽

10.5091/plecevo.2021.1824 ◽

2021 ◽

Vol 154 (2) ◽

pp. 264-280

Author(s):

Eberhard Fischer ◽

Iain Darbyshire

Keyword(s):

New Species ◽

New Taxa ◽

Conservation Status ◽

Identification Key ◽

Family Treatment ◽

Distribution Maps ◽

The Family ◽

Gallery Forests

Background and aims – Five new species of Streptocarpus (Gesneriaceae) are described from D.R. Congo in connection with preparing the family treatment for the Flore d’Afrique centrale.Methods – Standard herbarium practices were applied.Key results – Streptocarpus malachiticola sp. nov. is related to S. compressus and S. goetzei while S. bampsii sp. nov., S. malaissei sp. nov., S. salesianorum sp. nov., and S. schaijesii sp. nov. are related to S. michelmorei and S. solenanthus. The differences with these species are discussed and distribution maps for the new taxa are presented. An identification key for all known acaulescent species from D.R. Congo, Rwanda, and Burundi is provided. The conservation status of new species is preliminarily assessed. All taxa are range-restricted in Upper Katanga and the assessments are as follows: S. malachiticola: EN B1+2ab(iii), S. bampsii: CR B2ab(iii), S. malaissei: EN B1+2ab(iii), S. salesianorum: CR B2ab(iii), and S. schaijesii: EN B2ab(iii). Streptocarpus malachiticola is found on metalliferous rocks while the remaining species are either epiphytes in gallery forests (S. bampsii) or occur on humid rocks in gallery forests.

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New taxonomic and conservation status of Ossiculum (Vandeae, Orchidaceae), a highly threatened and narrow-endemic angraecoid orchid from Central Africa

PhytoKeys ◽

10.3897/phytokeys.98.23511 ◽

2018 ◽

Vol 98 ◽

pp. 85-97

Author(s):

Murielle Simo-Droissart ◽

Tariq Stévart ◽

Bonaventure Sonké ◽

Sandrine Mayogo ◽

Narcisse Kamdem ◽

...

Keyword(s):

Conservation Status ◽

Central Africa ◽

Red List ◽

Critically Endangered ◽

New Combination ◽

Endemic Genus ◽

Narrow Endemic ◽

Republic Of The Congo ◽

The Republic ◽

Angraecoid Orchids

In the context of producing a revised phylogenetic Linnean taxonomy of angraecoid orchids, the monotypic and narrow-endemic genus Ossiculum is synonymised with Calyptrochilum. Accordingly, a new combination in Calyptrochilum is proposed for Ossiculumaurantiacum. The morphological and DNA-based evidence for this transfer is discussed. Moreover, Calyptrochilumaurantiacum is here firstly reported outside Cameroon, with a record from the Republic of the Congo. The Red List conservation status of this species is reassessed and it is to be downgraded from “Critically Endangered” (CR) to “Endangered” (EN), following the recent discovery of additional subpopulations in Cameroon.

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Synopsis of the genus Drosera (Droseraceae) in Angola and the Democratic Republic of the Congo

Blumea - Biodiversity Evolution and Biogeography of Plants ◽

10.3767/blumea.2022.67.01.03 ◽

2022 ◽

Author(s):

A. Rjosk ◽

C. Neinhuis ◽

M. Monizi ◽

T. Lautenschläger

Keyword(s):

Democratic Republic ◽

Morphological Characters ◽

Seed Morphology ◽

Identification Key ◽

Distribution Maps ◽

Republic Of The Congo ◽

Species Descriptions

While some African Floras were continuously revised and several are now almost completed, the Flora of Angola’s ‘Conspectus Florae Angolensis’ still remains incomplete. This applies also for Droseraceae and the genus Drosera. Our study aims to provide an identification key for Drosera of Angola and the Democratic Republic of the Congo, including all morphological characters of the different Angolan and Congolese taxa. Loans from different herbaria were studied. A list of important morphological characters was combined with data obtained by observations and measurements. Beside the identification key, nine species descriptions with drawings of the main characteristics, distribution maps and SEM-pictures of pollen and seed morphology are provided. The possibility of hybridisation is discussed. Despite difficulties such as varying morphology or hybridisation in some species, the identification key enables researchers to identify specimens by morphological characters.

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Novelties and Notes on Lysimachia (Primulaceae): Five New Species from Brazil, Two New Combinations, and Ten Typifications

Systematic Botany ◽

10.1600/036364421x16128061189396 ◽

2021 ◽

Vol 46 (1) ◽

pp. 130-151

Author(s):

Luís A. Funez ◽

Gustavo Hassemer ◽

Rafael Trevisan

Keyword(s):

New Species ◽

Conservation Status ◽

Identification Key ◽

New Combinations ◽

Southern Brazil ◽

Distribution Maps

Abstract—Lysimachia is a genus that was recently recircumscribed and greatly enlarged by the inclusion of many genera in the Primulaceae. In this work five new species, all endemic from the grasslands of southern Brazil, are described, two new combinations are proposed, and 10 typifications are effected. The preliminary conservation status of these species are assessed, and we also provide field photographs and distribution maps. Furthermore, we provide an identification key to all species of Lysimachia that occur in Brazil.

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A new species of Androlepis (Bromelioideae; Bromeliaceae), endemic from southern Megamexico

Phytotaxa ◽

10.11646/phytotaxa.430.4.2 ◽

2020 ◽

Vol 430 (4) ◽

pp. 277-286

Author(s):

CLAUDIA J. RAMÍREZ-DÍAZ ◽

IVÓN M. RAMÍREZ-MORILLO ◽

KATYA J. ROMERO-SOLER ◽

GERMÁN CARNEVALI ◽

JUAN P. PINZÓN ◽

...

Keyword(s):

New Species ◽

Conservation Status ◽

Identification Key ◽

Preliminary Evaluation ◽

Present Contribution ◽

Dioecious Species ◽

Distribution Maps ◽

Unisexual Flowers ◽

Available Information ◽

A New Species

Androlepis najarroi (Bromelioideae, Bromeliaceae), a third dioecious species identified in the subfamily, is proposed as new from the Chiapas Highlands and Veracruzan biogeographical provinces, southern Megamexico. The novelty is superficially similar to Aechmea lueddemanniana but features characteristics of Androlepis, such as unisexual flowers and apically divided filaments. Based upon available information on the species and current generic concepts, assigning this species to Androlepis might only be provisional. The present contribution includes distribution maps, iconography, an identification key to the species of Androlepis, and a preliminary evaluation of the conservation status of this new species.

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A taxonomic monograph of Myrcia sect. Sympodiomyrcia (Myrteae, Myrtaceae)

Phytotaxa ◽

10.11646/phytotaxa.380.1.1 ◽

2018 ◽

Vol 380 (1) ◽

pp. 1 ◽

Cited By ~ 1

Author(s):

MATHEUS F. SANTOS ◽

EVE LUCAS ◽

PAULO T. SANO

Keyword(s):

Atlantic Forest ◽

Conservation Status ◽

Morphological Characterization ◽

Identification Key ◽

Guiana Shield ◽

Taxonomic Treatment ◽

Taxonomic History ◽

Central Eastern ◽

Morphological Differences

Myrcia contains nearly 800 species and is divided into nine sections, one of them, Myrcia sect. Sympodiomyrcia, has recently been recognized and formally described. This study presents a taxonomic monograph of the group and revises its literature and taxonomic history. Myrcia sect. Sympodiomyrcia is mainly characterized by the presence of cataphylls at the base of internodes, sympodial branching at the base of inflorescences and free and deciduous calyx lobes. Myrcia sect. Sympodiomyrcia is distributed between the Guiana Shield and the central-eastern portion of Brazil (Atlantic Forest and Cerrado Domains). Morphological characterization of organs and structures is provided, as well as distribution statements, morphological differences with other sections of Myrcia and an identification key. A full taxonomic treatment as well as conservation status and images of representative specimens of each species are provided. Twenty one species are here accepted in Myrcia sect. Sympodiomyrcia: Myrcia ascendens, M. attenuata, M. bicarinata, M. bicolor, M. cataphyllata, M. costeira, M. densa, M. foveolata, M. insigniflora, M. lenheirensis, M. mucugensis, M. mutabilis, M. nitida, M. plusiantha, M. rupestris, M. subavenia, M. subcordata, M. subterminalis, M. summa, M. tenuifolia and M. truncata.

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Taxonomic revision of the Graphipterus serrator (Forskål) group (Coleoptera, Carabidae): an increase from five to 15 valid species

ZooKeys ◽

10.3897/zookeys.753.22366 ◽

2018 ◽

Vol 753 ◽

pp. 23-82

Author(s):

Ittai Renan ◽

Thorsten Assmann ◽

Amnon Freidberg

Keyword(s):

Conservation Status ◽

Habitat Preferences ◽

Taxonomic Revision ◽

Morphological Characterization ◽

Valid Species ◽

Species Status ◽

Distribution Maps ◽

Full Species ◽

Subspecies Level ◽

New Synonymy

The south-west Palaearctic Graphipterusserrator group is revised. The systematic concept of the G.serrator group has undergone many changes during the last two centuries, and several different classifications have been published in recent decades. Here, the numerical taxonomy approach is used with the morphological characterization similarity level of the sympatric taxa in order to delimit allopatrically occurring taxa at the species and subspecies level. A key to the species and distribution maps are provided along with analyses of the conservation status and habitat preferences of the taxa. The Graphipterusserrator group currently comprises 16 taxa. Five new species are described: Graphipterusmagnus Renan & Assmann, sp. n., Graphipterusmauretensis Renan & Assmann, sp. n., Graphipteruspiniamitaii Renan & Freidberg, sp. n., Graphipterussharonae Renan & Assmann, sp. n., and Graphipterusstagonopsis Renan & Assmann, sp. n. In addition, five taxa are revalidated to full species status: Graphipterusheydeni Kraatz, 1890, stat. rest. (lectotype designated), Graphipterusmultiguttatus (Olivier, 1790), stat. rest. (lectotype designated), Graphipteruspeletieri Laporte de Castelnau, 1840, stat. rest. (the frequently used name lepeletieri is an error), Graphipterusrotundatus Klug, 1832, stat. rest. (lectotype designated), and Graphipterusvaldanii Guérin-Méneville, 1859 stat. rest., and a full species status is proposed for Graphipterusreymondi Antoine, 1953, stat. n. One new synonymy is proposed: Graphipteruskindermanni Chaudoir, 1871, syn. n. of Carabusmultiguttatus Olivier, 1790. Lectotype designations were made for Graphipterusheydeni, Graphipterusminutus Dejean, 1822, Graphipterusmultiguttatus, and Graphipterusrotundatus. Neotype designations were made for Graphipterusreichei Guérin-Méneville, 1859, Graphipterusintermedius Guérin-Méneville, 1859, and Graphipterusvaldanii Guérin-Méneville, 1859.

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Apathy will weaken Central African bloc's rescue plan

Emerald Expert Briefings ◽

10.1108/oxan-db224502 ◽

2017 ◽

Keyword(s):

Equatorial Guinea ◽

Individual Member ◽

Security Risks ◽

Content Type ◽

Parliamentary Elections ◽

Full Compliance ◽

Member Commitment ◽

Debt Default ◽

Republic Of The Congo ◽

The Republic

Subject Central African Economic and Monetary Community (CEMAC) fiscal and monetary pressures Significance Individual member commitment to a CEMAC recovery and reforms programme agreed in December is uneven, with only Gabon and Cameroon signing up to new IMF programmes so far. Equatorial Guinea and the Republic of the Congo -- the two most severely hit countries -- are still locked in protracted negotiations with the Fund, the latter because of its current debt default dilemma. This could prolong pressure on the beleaguered CFA franc (CFAF), which is facing renewed regional and international calls for abolition. Impacts Forthcoming parliamentary elections in Gabon in April could temporarily stall reforms under its Fund arrangement. Upgrades to Congo's credit ratings are unlikely before a court ruling on disputed arrears. Significant security risks in half the region -- particularly Cameroon, CAR and Chad -- could sideline reforms even with full compliance.

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A revision of the freshwater crabs (Crustacea: Decapoda: Brachyura: Potamonautidae) of the Lake Kivu drainage basin in Central and East Africa

Zootaxa ◽

10.11646/zootaxa.3011.1.5 ◽

2011 ◽

Vol 3011 (1) ◽

pp. 45 ◽

Cited By ~ 4

Author(s):

KIRSTIN S. MEYER ◽

NEIL CUMBERLIDGE

Keyword(s):

East Africa ◽

Democratic Republic ◽

Drainage Basin ◽

Identification Key ◽

Distribution Maps ◽

Freshwater Crabs ◽

Lake Kivu ◽

Republic Of The Congo

The taxonomy of the freshwater crabs living in the rivers draining from the mountains in the eastern Democratic Republic of the Congo and Rwanda into Lake Kivu is revised. Four species are recognized: Potamonautes perparvus (Rathbun, 1921), P. minor Bott, 1955, P. gonocristatus Bott, 1955, and P. semilunaris Bott, 1955. Updated diagnoses, illustrations, and distribution maps are provided for the species. The four species are compared to each other, and an identification key to all eight species found in Lake Kivu and its drainage basin is included.

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