A taxonomic revision of Acanthaceae tribe Barlerieae in Angola and Namibia. Part 2

SummaryThe second part of a taxonomic revision of the tribe Barlerieae (Acanthaceae) in Angola and Namibia covers Barleria sects. Somalia and Stellatohirta. Thirty-one taxa including 27 accepted species are treated. Four new species (Barleria eburnea, B. imatensis, B. louiseana and B. thunbergiiflora), one new subspecies (B. kacondensis subsp. glabrescens) and one new variety (B. violascens var. humpatana) are described. In addition, B. taitensis S.Moore var. occidentalis S.Moore is elevated to subspecies status and B. newtonii Lindau is resurrected as a distinct species endemic to the Lubango Highlands of Angola. Full descriptions, citations of types and representative specimens, and notes on their habitat(s), ecology and biogeography are provided for each taxon. Thirteen names in Barleria are lectotypified and a neotype is selected for B. newtonii. A preliminary assessment of the conservation status and extinction risk is provided for each taxon. Of the 31 taxa enumerated, five are assessed as Endangered, two as Vulnerable, two as Near Threatened, and 13 are of Least Concern, whilst nine are currently considered to be Data Deficient. This contribution completes our revision of Barleria in Angola and Namibia, with 59 accepted species, four additional subspecies, four additional varieties and two incompletely known taxa documented in total. A remarkable 75% of the taxa are endemic or near-endemic to Angola and Namibia.

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A taxonomic revision of Rhamnus L. and Atadinus Raf. (Rhamnaceae) in Iran

Phytotaxa ◽

10.11646/phytotaxa.521.3.1 ◽

2021 ◽

Vol 521 (3) ◽

pp. 127-158

Author(s):

BEHNAZ ALIJANPOOR ◽

HAMED KHODAYARI ◽

MOSTAFA ASSADI ◽

MOHAMMADREZA RAHIMINEJAD ◽

IRAJ MEHREGAN

Keyword(s):

New Species ◽

Taxonomic Status ◽

Taxonomic Revision ◽

Distinct Species ◽

Flora Of Iran ◽

Hybrid Species ◽

New Subspecies ◽

One New Species

This study aims to revise the taxonomic status of Rhamnus L. and Atadinus Raf. (Rhamnaceae) for the Flora of Iran. Nine species, including 15 taxa are recognized, described and compared with their closely related taxa. These include one new species, R. rahiminejadii Alijanpoor & Assadi, one new subspecies, R. pallasii subsp. mazandaranica Alijanpoor & Assadi, and one hybrid species, R. ×mehreghanii Alijanpoor & Khodayari (R. persica Boiss. × R. kurdica Boiss. & Hohen.). In addition, a hybrid species i.e, ×R. spathulifolia Fisch. & C. A. Mey., is accepted as a distinct species, R. spathulifolia Fisch. & C. A. Mey. and R. cornifolia and R. cornifolia var. denudata, from sect. Rhamnustrum Rouy. are transfered to genus Atadinus Raf. as A. cornifolius (Boiss. & Hohen.) Alijanpoor and A. cornifolius var. denudatus (Bornm.) Alijanpoor.

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A synthesis of African and western Indian Ocean Island mammal taxa (Class: Mammalia) described between 1988 and 2008: an update to Allen (1939) and Ansell (1989)

Zootaxa ◽

10.11646/zootaxa.2205.1.1 ◽

2009 ◽

Vol 2205 (1) ◽

pp. 1-36 ◽

Cited By ~ 12

Author(s):

MICHAEL HOFFMANN ◽

PETER GRUBB ◽

COLIN P. GROVES ◽

RAINER HUTTERER ◽

ERIK VAN DER STRAETEN ◽

...

Keyword(s):

New Species ◽

Western Indian Ocean ◽

Systematic Position ◽

Iucn Red List ◽

New Genera ◽

New Subspecies ◽

New Subgenus ◽

African Mammals ◽

The Status ◽

Data Deficient

We provide a synthesis of all mammal taxa described from the African mainland, Madagascar and all surrounding islands in the 20 years since 1988, thereby supplementing the earlier works of G.M. Allen (1939) and W.F.H. Ansell (1989), and bringing the list of African mammals described over the last 250 years current to December 2008. We list 175 new extant taxa, including five new genera, one new subgenus, 138 new species and 31 new subspecies, including remarks, where relevant, on the current systematic position of each taxon. Names of seven species of primates are emended, according to the requirements of the ICZN. The taxonomic group in which the largest number of new taxa has been described is the Primates, with two new genera, 47 new species and 11 new subspecies, while geographically the biggest increase in new species descriptions has been on the island of Madagascar, accounting for roughly half (67) of all new species described in the past 20 years. Nearly half of all new species listed currently are assessed as Data Deficient on the IUCN Red List of Threatened Species (49 of 101 listed species) suggesting further research is urgently needed to help clarify the status of those recently described species.

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Global extinction risk for seahorses, pipefishes and their near relatives (Syngnathiformes)

Oryx ◽

10.1017/s0030605320000782 ◽

2021 ◽

pp. 1-10

Author(s):

Riley A. Pollom ◽

Gina M. Ralph ◽

Caroline M. Pollock ◽

Amanda C.J. Vincent

Keyword(s):

Threatened Species ◽

Habitat Degradation ◽

Extinction Risk ◽

Conservation Status ◽

Field Research ◽

Selective Extraction ◽

Iucn Red List ◽

Point Estimate ◽

Conservation Action ◽

Data Deficient

Abstract Few marine taxa have been comprehensively assessed for their conservation status, despite heavy pressures from fishing, habitat degradation and climate change. Here we report on the first global assessment of extinction risk for 300 species of syngnathiform fishes known as of 2017, using the IUCN Red List criteria. This order of bony teleosts is dominated by seahorses, pipefishes and seadragons (family Syngnathidae). It also includes trumpetfishes (Aulostomidae), shrimpfishes (Centriscidae), cornetfishes (Fistulariidae) and ghost pipefishes (Solenostomidae). At least 6% are threatened, but data suggest a mid-point estimate of 7.9% and an upper bound of 38%. Most of the threatened species are seahorses (Hippocampus spp.: 14/42 species, with an additional 17 that are Data Deficient) or freshwater pipefishes of the genus Microphis (2/18 species, with seven additional that are Data Deficient). Two species are Near Threatened. Nearly one-third of syngnathiformes (97 species) are Data Deficient and could potentially be threatened, requiring further field research and evaluation. Most species (61%) were, however, evaluated as Least Concern. Primary threats to syngnathids are (1) overexploitation, primarily by non-selective fisheries, for which most assessments were determined by criterion A (Hippocampus) and/or (2) habitat loss and degradation, for which assessments were determined by criterion B (Microphis and some Hippocampus). Threatened species occurred in most regions but more are found in East and South-east Asia and in South African estuaries. Vital conservation action for syngnathids, including constraining fisheries, particularly non-selective extraction, and habitat protection and rehabilitation, will benefit many other aquatic species.

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A new genus of angraecoid orchids (Orchidaceae: Angraecinae) with highly distinctive pollinaria morphology, including three new species from tropical West and Central Africa

Phytotaxa ◽

10.11646/phytotaxa.373.2.1 ◽

2018 ◽

Vol 373 (2) ◽

pp. 99

Author(s):

PASCAL DESCOURVIÈRES ◽

JOÃO N. M. FARMINHÃO ◽

VINCENT DROISSART ◽

JEAN-YVES DUBUISSON ◽

MURIELLE SIMO-DROISSART ◽

...

Keyword(s):

New Species ◽

New Genus ◽

Conservation Status ◽

Central Africa ◽

Iucn Red List ◽

Valid Species ◽

Preliminary Assessment ◽

West And Central Africa ◽

Three New Species ◽

Angraecoid Orchids

A recent large phylogenetic tree for the angraecoid orchids has shown that the Afrotropical genus Diaphananthe is polyphyletic with a small group of four species sister to Aerangis and Eurychone. These species have diagnostic morphological features different from any other angraecoids, notably an erose to fringed surface of the stipes and a calceiform viscidium. Diaphananthe quintasii, which has been regarded as conspecific with D. rohrii, is reinstated as a valid species and lectotypified, and Diaphananthe alfredii and Rhipidoglossum magnicalcar are put in synonymy under D. quintasii. To accommodate this group of species, along with three new taxa from West and Central Africa, a new genus named Kylicanthe is here described. Four new combinations are thus proposed, and K. bueae is chosen as the type species of the new genus and neotypified. Additionally, K. arcuata, K. cornuata, and K. perezverae are described as new species. An identification key for Kylicanthe and allied genera is presented, as well as one for the seven species in the genus. Notes on ecology and distribution in addition to a preliminary assessment of conservation status following the IUCN Red List are also provided.

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Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species

Neotropical Ichthyology ◽

10.1590/s1679-62252009000200001 ◽

2009 ◽

Vol 7 (2) ◽

pp. 117-140 ◽

Cited By ~ 41

Author(s):

Osvaldo T. Oyakawa ◽

George M. T. Mattox

Keyword(s):

New Species ◽

Amazon Basin ◽

Taxonomic Revision ◽

Distinct Species ◽

Species Group ◽

Paulo State ◽

Coastal Rivers ◽

Two New Species ◽

Northern South America ◽

Atlantic Coastal

Hoplias lacerdae was originally described from the rio Ribeira de Iguape, Iporanga, São Paulo State. The Hoplias lacerdae group is defined as containing generally large trahiras with the medial margins of dentaries running parallel to each other and lacking teeth on the basihyal compared to the H. malabaricus group in which the medial margins of the dentaries converge towards the mandibular symphysis and which have teeth on the basihyal. A taxonomic revision of the group based on meristic and morphometric data identified five distinct species: H. lacerdae distributed in the rio Ribeira de Iguape and rio Uruguai; H. intermedius from the rio São Francisco, upper rio Paraná basin, and rio Doce; H. brasiliensis from rivers of the Atlantic Coastal drainage from the rio Paraguaçu to the rio Jequitinhonha; H. australis new species, endemic to the rio Uruguai; and H. curupira new species present in northern South America, including the rios Negro, Trombetas, Tapajós, Xingu, Tocantins and Capim in the Amazon basin, upper rio Orinoco near the rio Casiquiare (Venezuela), and coastal rivers of Guyana and Suriname. A lectotype for Hoplias intermedius and a neotype for H. brasiliensis are designated.

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Taxonomic revision and morphological delimitation of Oxalis sect. Ripariae (Oxalidaceae)

Phytotaxa ◽

10.11646/phytotaxa.529.1.11 ◽

2021 ◽

Vol 529 (1) ◽

pp. 125-159

Author(s):

ANELISE NUERNBERG-SILVA ◽

PEDRO FIASCHI

Keyword(s):

Conservation Status ◽

Taxonomic Revision ◽

Second Step ◽

Morphological Description ◽

South American ◽

Southern Brazil ◽

Distribution Map ◽

Phylogenetic Studies ◽

A New Species ◽

Near Threatened

Phylogenetic studies indicate that several infrageneric taxa in Oxalis require taxonomic updates to attain monophyly. In this contribution, we update the morphological delimitation of the South American Oxalis sect. Ripariae and provide a taxonomic revision of the currently accepted species. The sectional delimitation was carried out by comparing micro- and macromorphological features of Oxalis sect. Ripariae, O. sect. Corniculatae, and O. sect. Myriophyllum. These sections share yellow flowers and aerial stems. Glandular hairs and larger seeds with the surface longitudinally crested and with projections are exclusive to Oxalis sect. Ripariae. We accept 11 species in the section, including three previously placed in Oxalis sect. Corniculatae (i.e., O. eriocarpa, O. niederleinii, and O. refracta), but excluding O. serpens and O. subvillosa, which are moved to O. sect. Corniculatae. We also describe a new species (Oxalis lourteiginana), propose a new name and status for O. bifrons subsp. littoralis (now O. pampeana), the synonymization of O. irreperta with O. riparia, six second-step lectotypifications, and one epitypification. For each accepted species we provide a morphological description, illustrations, ecological and taxonomic information, conservation status following IUCN, and a geographic distribution map. Most species occur in southern Brazil, but the section is widespread also in Argentina, Uruguay, and eastern Paraguay. Six species are categorized as threatened and further three as near threatened. Besides, we provide an identification key for the taxa of the section.

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A biosystematic study of Pentameris (Arundineae, Poaceae)

Bothalia ◽

10.4102/abc.v23i1.782 ◽

1993 ◽

Vol 23 (1) ◽

pp. 25-47 ◽

Cited By ~ 12

Author(s):

N. P. Barker

Keyword(s):

New Species ◽

Leaf Blade ◽

Conservation Status ◽

New Subspecies ◽

Biosystematic Study ◽

Fruit Characters

A biosystematic study of the endemic southwestern Cape grass genus Pentameris Beauv. is presented. Results of studies on the macro- and micromorphology, leaf blade anatomy and cytology are discussed and illustrated. The results of a cladistic study indicate that the genus is monophyletic, united by the synapomorphies of ovary and fruit characters. The conservation status of the taxa in the genus is assessed, and conservation status codes allocated. A key to the taxa in the genus is presented, and each species is described. Five new species, Pentameris glacialis N.P. Barker, P. hirtiglumis N.P. Barker, P. oreophila N.P. Barker, P. swartbergensis N.P. Barker and P. uniflora N.P. Barker, and one new subspecies, P. longiglumis (Nees) Stapf subsp. gymnocolea N.P. Barker, are described and illustrated.

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Rediscovery and conservation of Linaria cossonii Bonnet & Barratte (Plantaginaceae) in Tunisia

Phytotaxa ◽

10.11646/phytotaxa.423.5.2 ◽

2019 ◽

Vol 423 (5) ◽

pp. 284-288

Author(s):

RIDHA EL MOKNI ◽

LORENZO PERUZZI

Keyword(s):

Population Dynamics ◽

Mediterranean Region ◽

Conservation Status ◽

Red List ◽

Northern Africa ◽

Pine Forests ◽

Annual Herb ◽

The Mediterranean ◽

Data Deficient ◽

Near Threatened

The genus Linaria Miller (1754: 272) (Plantaginaceae) is the largest of tribe Antirrhineae, including ca. 150 species native to temperate regions of Europe, northern Africa, and Asia (Sáez et al. 2004, Mabberley 2008). The diversity centre of this genus is in the Mediterranean region (Sutton 1988), where 90 species occur (see e.g., Marhold 2011+). The flora of Tunisia includes 21 Linaria species and 10 subspecies, among which 6 taxa are endemic to the country (Pottier-Alapetite 1981, Le Floc’h et al. 2010, Marhold 2011+, Dobignard & Chatelain 2013, APD 2019). Tunisian endemics are still poorly known in terms of frequency, ecology and population dynamics, making difficult to assess their conservation status. Recently, the IUCN Global Red List 2018 (Valderrábano et al. 2018) assessed about 30 Tunisian taxa as Threatened (CR, EN, VU), Near Threatened (NT), and Data Deficient (DD). Among those listed in the latter category, there is Linaria cossonii Bonnet & Barratte (1896: 317), a usually annual herb up to 150 cm tall, growing within coastal sandy pine forests in the NE of Tunisia (CB & NE sensu Pottier Alapetite 1981). This species is rare and was scarcely seen after 1883, i.e. its date of first collection as derived from the protologue.

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A taxonomic revision of the Lichen genus Hypogymnia in Australasia.

Brunonia ◽

10.1071/bru9790175 ◽

1979 ◽

Vol 2 (2) ◽

pp. 175 ◽

Cited By ~ 16

Author(s):

JA Elix

Keyword(s):

New Species ◽

New Zealand ◽

Taxonomic Revision ◽

New Combinations ◽

New Variety ◽

Two New Species ◽

Papua New Guinean

The Australian, New Zealand and Papua New Guinean representatives of Hypogymia are reviewed. Photographs, keys and descriptions are given for the 11 species and five varieties. Two new species are described, H. enteromorphoides and H. kosciuskoensis, as well as a new variety, H. subphysodes var. austerodioides and six new combinations are made, namely H. lugubris var. sublugubris, H. lugubris var. compactior, H. pulchrilobata, H. pul- verata, H. tubularis and H. turgidula. Distribution of these taxa is discussed and maps have been provided. The species included in this revision are H. billardieri, H. enteromorphoides, H. kosciuskoensis, H. lugubris, H. mundata, H. pulchrilobata, H. pulverata, H. subphysodes, H. tubularis, H. turgidula and H. vittata.

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