scholarly journals Taxonomic revision of Habenaria josephi group (sect. Diphyllae s.l.) in the Pan-Himalaya

PhytoKeys ◽  
2021 ◽  
Vol 175 ◽  
pp. 109-136
Author(s):  
Tirtha Raj Pandey ◽  
Xiao-Hua Jin
Keyword(s):  
Molecular Phylogenetics ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Molecular Evidence ◽  
Distribution Maps ◽  
Taxonomic Descriptions

Species of the Habenaria josephi group in the Pan-Himalaya region are revised, based on their morphological characters and results of previous molecular phylogenetics. Eight distinctive species are recognised; key to the species, taxonomic descriptions, illustrations and distribution maps are provided. Habenaria josephi is re-instated, based on morphological and molecular evidence; H. wolongensis is synonymised with H. aitchisonii, a neotype for H. tibetica and the lectotypes for H. balfouriana, H. fargesii, H. glaucifolia and H. clarkei are designated.

Taxonomic revision of Hannafordia (Lasiopetaleae: Sterculiaceae (Malvaceae s.l.))

2001 ◽  
Vol 14 (1) ◽  
pp. 101
Author(s):  
C. F. Wilkins ◽  
J. A. Chappill
Keyword(s):  
Chromosome Number ◽  
Taxonomic Revision ◽  
Key Distribution ◽  
Seedling Morphology ◽  
New Subspecies ◽  
Distribution Maps ◽  
Taxonomic Descriptions

Taxonomic revision of the endemic Australian genus Hannafordia F.Muell. identified five taxa, including three recognised species, a new subspecies H. quadrivalvis F.Muell. subsp. recurva C.F.Wilkins and a new subspecific combination H. bissillii F.Muell. subsp. latifolia (E.Pritzel) C.F.Wilkins. Taxonomic descriptions, a key, distribution maps, illustrations, anatomical findings and seed and seedling morphology are presented. A chromosome number of n = 10 is the first published record for the genus.

Phylogenetics of the mycoheterotrophic genus Thismia (Thismiaceae: Dioscoreales) with a focus on the Old World taxa: delineation of novel natural groups and insights into the evolution of morphological traits

2020 ◽  
Vol 193 (3) ◽  
pp. 287-315 ◽  
Author(s):  
Ekaterina A Shepeleva ◽  
Mikhail I Schelkunov ◽  
Michal Hroneš ◽  
Michal Sochor ◽  
Martin Dančák ◽  
...  
Keyword(s):  
Significant Proportion ◽  
Morphological Diversity ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Morphological Description ◽  
Molecular Evidence ◽  
Ancestral State ◽  
Old World ◽  
Molecular Phylogenetic ◽  
Floral Characters

Abstract Thismia is a genus of > 80 mycoheterotrophic species characterized by a peculiar appearance and complex floral morphology. A significant proportion of the species and morphological diversity of Thismia has only been uncovered in the past two decades, and new discoveries continue to be made. Given that many new data have recently become available, and the most comprehensive taxonomic revision of the genus from 1938 addresses less than half of the currently known species, previous hypotheses for species relationships and infrageneric taxonomic classification in Thismia was in need of review. Extensive molecular phylogenetic studies of Thismia at the genus level have never been presented. We investigate the phylogenetic relationships of 41 species (and one variety) of Thismia from the Old World. Our study comprises 68 specimens (for 28 of which the data were newly generated), including outgroup taxa broadly representing Thismiaceae (= Burmanniaceae p.p. sensuAPG IV, 2016), and is based on two nuclear and one mitochondrial marker. We use maximum likelihood and Bayesian inference to infer relationships among the taxa. We also constructed a morphological dataset of 12 mostly floral characters, comparing these characters to hypotheses based on molecular evidence to identify putative synapomorphies for major clades and to discuss hypotheses regarding the evolution of structural traits in the genus. Our analyses indicate that the majority of currently accepted infrageneric taxa of Thismia are polyphyletic. We find support for the monophyly of the Old World group, in which we recognize five well-supported lineages (clades); the only New World species studied appears to be related to the Neotropical genus Tiputinia. Ancestral state reconstructions demonstrate that the evolution of most morphological characters was homoplastic, but we identify characters that provide each of the five clades of Old World Thismia with a unique morphological description. The geographical distribution of the species under study is also shown to be consistent with the major clades. Our investigation provides a phylogenetic basis for the development of a novel sectional classification of Thismia reflecting morphological and geographical traits.

scholarly journals Taxonomic revision and zoogeographical patterns of the species of Gnopharmia Staudinger, 1892 (Geometridae, Ennominae)

Zootaxa ◽  
2012 ◽  
Vol 3360 (1) ◽  
pp. 1 ◽  
Author(s):  
HOSSEIN RAJAEI SH. ◽  
DIETER STÜNING ◽  
ROBERT TRUSCH
Keyword(s):  
New Records ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Female Genitalia ◽  
Valid Species ◽  
Type Specimens ◽  
Genetic Studies ◽  
Entire Area ◽  
Distribution Maps ◽  
Morphological Studies

The genus Gnopharmia Staudinger, 1892 is revised, based on more than 2000 specimens from the entire area ofdistribution and study of type material of all described taxa, as far asmap available. Seven species and three subspeciesare confirmed as valid for the genus. All important morphological characters have been studied and compared, includingmale and female genitalia. In addition, preliminary results of DNA-Barcoding were used to reassess our taxonomicdecisions, based on morphological studies. Type specimens and their labels are illustrated and additional specimens,demonstrating the variability of certain species, are also figured. Male genitalia of all valid species are figured and SEMphotos of the aedeagus are illustrated. Further important structures, the so-called ‘octavals’ on the male pre-genitalabdomen, are also figured. Female genitalia revealed a high similarity between species, combined with a considerablevariability, and were unsuitable for characterisation of species. Female genitalia of three species are figured to exemplifythis situation. As a result of the morphological and genetic studies, 12 out of the 21 described species and subspecies aresynonymised or transferred to the closely related genus Neognopharmia Wehrli, 1953. In addition, G. colchidariacocandaria (Erschoff, 1874) is revived as a valid species, G. sinesefida Wehrli, 1941 is downgraded to a subspecies of G.colchidaria Lederer, 1870. Five new records for the fauna of the following countries are presented: G. colchidariaobjectaria: new for Pakistan; G. irakensis: new for Turkey and Pakistan; G. kasrunensis: new for Oman and G. sarobiana: new for Pakistan. Distribution maps and an identification key are given for all species.

Taxonomic revision of Aegla lata Bond-Buckup & Buckup, 1994 (Decapoda: Anomura: Aeglidae), with the description of a new species of Aegla Leach, 1820 from the Upper Paraná Ecoregion, Brazil

2020 ◽  
Vol 40 (4) ◽  
pp. 425-434
Author(s):  
Ingrid C Marçal ◽  
Fernanda P Páez ◽  
Lenice Souza-Shibatta ◽  
Silvia H Sofia ◽  
Gustavo M Teixeira
Keyword(s):  
New Species ◽  
River Basin ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
The Body ◽  
Type Locality ◽  
Morphological Data ◽  
Molecular Evidence ◽  
Coi Mtdna ◽  
A New Species

Abstract Aegla lata Bond-Buckup & Buckup, 1994 is considered extinct in the type locality. New populations of this species, however, have been found in northern Paraná state, Brazil. We revised the taxonomy of A. lata based on morphological data obtained from the type material and specimens recently obtained from streams of the Tibagi River sub-basin, Paranapanema River basin, Upper Paraná Ecoregion. Moreover, Aegla jacutingan. sp. is described and illustrated. The new species resembles A. lata in the shapes of the body and chelipeds. Both species are nevertheless separated by particular morphological characters of the carapace, chelipeds, and epimeron as well as by molecular (COI mtDNA) differences. Both species can be distinguished from their congeners based on morphological and molecular evidence.

scholarly journals Taxonomic revision of Ceropegia sec. Huernia (Asclepiadoideae – Apocynaceae) in Saudi Arabia with four new combinations

2020 ◽  
Author(s):  
Samah Alharbi ◽  
Rahmah Al Qthanin
Keyword(s):  
Saudi Arabia ◽  
Principal Component ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
New Combinations ◽  
Principal Coordinates Analysis ◽  
Distribution Maps ◽  
Principal Coordinates ◽  
Conservation Assessments ◽  
Iucn Criteria

This study provides a taxonomic revision for Ceropegia sec. Huernia in the flora of Saudi Arabia. Forty-eight quantitative and qualitative morphological characters were analysed using principal component analysis (PCA), principal coordinates analysis (PCoA) and the unweighted pairs group using mean average (UPGMA) to separate and help delimit taxa. We proposed to reduce the number of names reported in Saudi Arabia from 11 to four species: C. arabica comb. nov.,C. Khalidbinsultanii comb. nov., C. laevis and C. lodarensis. This study also suggested reducing two of Plowes’ new names to a variety level under C. lodarensis (var. foetida comb. nov. and var. rubrosticta comb. nov.). A key to the species, detailed morphological descriptions, illustrations, distribution maps, ecology, etymology and preliminarily conservation assessments following IUCN criteria are provided.

A taxonomic revision of the genus Sirthenea (Hemiptera: Heteroptera: Reduviidae) of the Old World

Zootaxa ◽  
2018 ◽  
Vol 4520 (1) ◽  
pp. 1 ◽  
Author(s):  
DOMINIK CHŁOND
Keyword(s):  
New Species ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Valid Species ◽  
Old World ◽  
Oriental Region ◽  
Distribution Maps ◽  
Identification Keys ◽  
Two New Species ◽  
Zoogeographical Region

This paper presents a taxonomic revision of 28 described species of the genus Sirthenea Spinola, 1837 (Hemiptera: Heteroptera: Reduviidae: Peiratinae) distributed in the Afrotropical, Oriental, Palearctic, Oceanian and Australian zoogeographical regions. The following new synonymies are proposed: Sirthenea africana Distant, 1903 = S. rapax Horváth, 1909, syn. nov. = S. leonina Horváth, 1909, syn. nov. = S. bequaerti Schouteden, 1913, syn. nov. = S. leontovitchi Schouteden, 1931, syn. nov.; Sirthenea picescens Reuter, 1887 = S. atrocyanea Horváth, 1909, syn. nov.; S. rodhaini Schouteden, 1913 = S. collarti Schouteden, 1931, syn. nov. = S. angolana Villiers, 1958, syn. nov.; S. flavipes (Stål, 1855) = S. clavata Miller, 1948, syn. nov. = S. bharati Sucheta & Chopra, 1988, syn. nov. = S. koreana Kerzhner & Lee, 1996 syn. nov. = S. melanota Cai & Lu, 1990, syn. nov. = S. nigripes Murugan & Livingstone, 1990, syn. nov.; S. obscura (Stål, 1866) = S. glabra (Walker, 1873), syn. nov. A neotype is designated for S. picescens Reuter, 1887. Three species, S. erythromelas (Walker 1873), S. fulvipennis (Walker, 1873) and S. sobria (Walker, 1873), are excluded from the genus Sirthenea. Two new species from the Oriental Region, S. kali sp. nov. (India) and S. setosa sp. nov. (Malaysia) are described. Identification keys are provided for the subgenera and species from each zoogeographical region treated. Drawings of dorsal habitus and genitalic structures, drawings and images of selected morphological characters, and distribution maps of all valid species are presented. 

scholarly journals Taxonomic revision of Saudi Arabian Tetraena Maxim. and Zygophyllum L. (Zygophyllaceae) with one new variety and four new combinations

2018 ◽  
Vol 25 (1) ◽  
pp. 19-43 ◽  
Author(s):  
Dhafer Ahmed Alzahrani ◽  
Enas Jameel Albokhari
Keyword(s):  
Conservation Status ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Fruit Shape ◽  
New Combinations ◽  
New Variety ◽  
Distribution Maps ◽  
Flower Traits ◽  
Saline Habitats ◽  
Plant Taxon

The genera Tetraena Maxim. and Zygophyllum L. (Zygophyllaceae) present different morphological characters, viz. growth habit, leaf features, flower traits and fruit shape, and have a high diversity of species in Africa, Australia and Asia. Six species of Tetraena [T. alba (L.f.) Beier & Thulin, T. coccinea (L) Beier & Thulin, T. decumbens (Delile) Beier & Thulin, T. hamiensis (Schwein f.) Beier & Thulin, T. propinqua (Decne.) Ghaz. & Osborne and T. simplex (L.) Beier & Thulin], and one species of Zygophyllum (Z. fabago L.) have been identified in Saudi Arabia, most of which grow in sandy soils and saline habitats as shrubs and herbs. One new endemic variety (T. alba var. arabica Alzahrani & Albokhari) along with four new combinations [T. alba var. amblyocarpa (Baker) Alzahrani & Albokhari, T. hamiensis var. qatarensis (Hadidi ex Beier & Thulin) Alzahrani & Albokhari, T. hamiensis var. mandavillei (Hadidi ex Beier & Thulin) Alzahrnai & Albokhari, and T. propinqua subsp. migahidii (Hadidi ex Beier & Thulin) Alzahrani & Albokhari] are proposed. Descriptions, illustrations, distribution maps and a key for identification of the taxa are presented. Conservation status has been proposed for the new variety and combinations.Bangladesh J. Plant Taxon. 25(1): 19-43, 2018 (June)

scholarly journals A taxonomic revision of the Neotropical electric fish genus Brachyhypopomus (Ostariophysi: Gymnotiformes: Hypopomidae), with descriptions of 15 new species

2016 ◽  
Vol 14 (4) ◽  
Author(s):  
William G. R. Crampton ◽  
Carlos D. de Santana ◽  
Joseph C. Waddell ◽  
Nathan R. Lovejoy
Keyword(s):  
New Species ◽  
Costa Rica ◽  
Amazon Basin ◽  
Electric Organ ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Anterior Portion ◽  
Central Amazon ◽  
Distribution Maps ◽  
Freshwater Habitats

ABSTRACT The bluntnose knifefish genus BrachyhypopomusMago-Leccia, 1994, is diagnosed from other Rhamphichthyoidea (Rhamphichthyidae + Hypopomidae) by the presence of a disk-like ossification in the anterior portion of the palatoquadrate, and by the following external characters: short snout, 18.7-32.6% of head length (vs. 33.3-68.6% in Hypopomus, Gymnorhamphichthys, Iracema, and Rhamphichthys), absence of a paired accessory electric organ in the mental or humeral region (vs. presence in Hypopygus and Steatogenys), presence of 3-4 pectoral proximal radials (vs. 5 in Akawaio), presence of the antorbital + infraorbital, and the preopercular cephalic lateral line canal bones (vs. absence in Racenisia). Brachyhypopomus cannot be diagnosed unambiguously from Microsternarchus or from Procerusternarchus on the basis of external characters alone. Brachyhypopomus comprises 28 species. Here we describe 15 new species, and provide redescriptions of all 13 previously described species, based on meristic, morphometric, and other morphological characters. We include notes on ecology and natural history for each species, and provide regional dichotomous keys and distribution maps, based on the examination of 12,279 specimens from 2,787 museum lots. A lectotype is designated for Brachyhypopomus pinnicaudatus (Hopkins, Comfort, Bastian & Bass, 1990). Brachyhypopomus species are abundant in shallow lentic and slow-flowing freshwater habitats from southern Costa Rica and northern Venezuela to Uruguay and northern Argentina. Species diversity is highest in Greater Amazonia, where 20 species occur: B. alberti, new species, B. arrayae, new species, and B. cunia, new species, in the upper rio Madeira drainage; B. batesi, new species, in the central Amazon and rio Negro; B. beebei, B. brevirostris, B. regani, new species, B. sullivani, new species, and B. walteri, widespread through the Amazon and Orinoco basins and the Guianas; B. belindae, new species, in the central Amazon basin; B. benjamini, new species, and B. verdii, new species, in the upper Amazon basin; B. bennetti, in the upper, central, and lower Amazon, lower Tocantins, and upper Madeira basins; B. bullocki in the Orinoco, Negro and Essequibo drainages; B. diazi in the Orinoco Llanos; B. flavipomus, new species, and B. hamiltoni, new species, in the central and upper Amazon basin; B. hendersoni, new species, in the central Amazon, lower Negro and Essequibo basins; B. pinnicaudatus in the central and lower Amazon, lower, upper Madeira, lower Tocantins and Mearim basins, and coastal French Guiana; and B. provenzanoi, new species, in the upper Orinoco and upper Negro basins. Five species are known from the Paraná-Paraguay-Uruguay basin and adjacent southern Atlantic drainages: B. bombilla in the lower Paraná, upper, central, and lower Paraguay, Uruguay and Patos-Mirim drainages; B. brevirostris in the upper Paraguay basin; B. draco in the lower Paraná, lower Paraguay, Uruguay, Patos-Mirim, and Tramandaí basins; B. gauderio in the lower Paraná, upper, central, and lower Paraguay, Uruguay, Patos-Mirim and Tramandaí basins; and B. walteri in the lower Paraná and upper Paraguay basins. Two species occur in small Atlantic drainages of southern Brazil: B. janeiroensis in the São João, Paraíba and small intervening drainages; and B. jureiae in the Ribeira de Iguape and Una do Prelado. One species occurs in the middle and upper São Francisco basin: B. menezesi, new species. Three species occur in trans-Andean drainages: B. diazi in Caribbean drainages of northern Venezuela; B. occidentalis in Atlantic and Pacific drainages of southern Costa Rica and Panama to Darién, and the Maracaibo, Magdalena, Sinú and Atrato drainages; and B. palenque, new species, in Pacific drainages of Ecuador.

Taxonomic revision of the water scavenger beetle genus Sternolophus Solier, 1834 (Coleoptera: Hydrophilidae)

Zootaxa ◽  
2017 ◽  
Vol 4282 (2) ◽  
pp. 201 ◽  
Author(s):  
HIVA NASSERZADEH ◽  
ALBRECHT KOMAREK
Keyword(s):  
New Species ◽  
Male Genitalia ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Valid Species ◽  
Old World ◽  
Distribution Maps ◽  
Nomen Dubium ◽  
Species Groups

The Old World water scavenger beetle genus Sternolophus Solier is revised. Six new species are described: Sternolophus acutipenis sp. n., S. insulanus sp. n., S. jaechi sp. n., S. mandelai sp. n., S. prominolobus sp. n. and S. solitarius sp. n. Three taxa are reinstated as valid species: Sternolophus angustatus (Boheman), S. elongatus Schaufuss and S. mundus (Boheman). The subgenera within the genus are rejected and Neosternolophus Zaitzev syn. n. is synonymized with Sternolophus s. str. Lectotypes are designated for Hydrophilus angolensis Erichson, H. angustatus, H. rufipes Fabricius, Sternolophus brachyacanthus Régimbart, S. comoriensis Fairmaire, S. elongatus, S. frater Schaufuss, and S. rufipes var. foveoliceps Kolbe. On the basis of similar morphological characters, two species-groups are proposed for some of the species within the genus: The angolensis group including S. angolensis, S. inconspicuus (Nietner), S. mundus, and S. solitarius, and the solieri group including S. angustatus, S. elongatus, S. mandelai, S. rufipes Fabricius, and S. solieri Castelnau. Sternolophus unicolor (Castelnau) is considered a nomen dubium. Male genitalia and other diagnostic morphological characters are illustrated, and distribution maps are presented for all 17 species. 

scholarly journals Born in the Mediterranean: Comprehensive Taxonomic Revision of Biscutella ser. Biscutella (Brassicaceae) Based on Morphological and Phylogenetic Data

2020 ◽  
Vol 105 (2) ◽  
pp. 195-231
Author(s):  
Alicia Vicente ◽  
Mª Ángeles Alonso ◽  
Manuel B. Crespo
Keyword(s):  
Sequence Data ◽  
Conservation Status ◽  
Taxonomic Revision ◽  
Morphological Plasticity ◽  
Morphological Characters ◽  
Distribution Maps ◽  
Phylogenetic Data ◽  
The Mediterranean ◽  
Floral Characters ◽  
The Mediterranean Basin

Biscutella L. ser. Biscutella (= Biscutella ser. Lyratae Malin.) comprises mostly annual or short-lived perennial plants occurring in the Mediterranean basin and the Middle East, which exhibit some diagnostic floral features. Taxa in the series have considerable morphological plasticity, which is not well correlated with clear geographic or ecologic patterns. Traditional taxonomic accounts have focused on a number of vegetative and floral characters that have proved to be highly variable, a fact that contributed to taxonomic inflation mostly in northern Africa. A detailed study and re-evaluation of morphological characters, together with recent phylogenetic data based on concatenation of two plastid and one nuclear region sequence data, yielded the basis for a taxonomic reappraisal of the series. In this respect, a new comprehensive integrative taxonomic arrangement for Biscutella ser. Biscutella is presented in which 10 taxa are accepted, namely seven species and three additional varieties. The name B. eriocarpa DC. is reinterpreted and suggested to include the highest morphological variation found in northern Morocco. Its treatment here accepts two varieties, one of which is described as new (B. eriocarpa var. riphaea A. Vicente, M. Á. Alonso & M. B. Crespo). In addition, the circumscriptions of several species, such as B. boetica Boiss. & Reut., B. didyma L., B. lyrata L., and B. maritima Ten., are revisited. Nomenclatural types, synonymy, brief descriptions, cytogenetic data, conservation status, distribution maps, and identification keys are included for the accepted taxa, with seven lectotypes and one epitype being designated here.

Sign in / Sign up

Export Citation Format

Share Document