scholarly journals Taxonomic revision of the Andean genus Xenophyllum (Compositae, Senecioneae)

PhytoKeys ◽  
2020 ◽  
Vol 158 ◽  
pp. 1-106
Author(s):  
Joel Calvo ◽  
Andrés Moreira-Muñoz

The Andean genus Xenophyllum (Compositae, Senecioneae) is distributed along the high-Andes from northeastern Colombia to northern Chile and northwestern Argentina, mainly thriving in the paramo and puna ecoregions. It comprises suffruticose plants forming dense mats, hummocks, or clumps of erect stems. They are characterized by displaying involucral bracts fused at the base, supplementary bracts absent, and mostly radiate capitula with white ray corollas, seldom yellow or pink (disciform in one species). Traditionally, Xenophyllum species were treated as members of the genus Werneria, a morphologically close genus that includes rosettiform or scapiform perennial herbs. As currently circumscribed, Xenophyllum mostly differs from Werneria in having elongate stems. Herein, the first modern and comprehensive revision of the genus recognizing twenty-two species and two subspecies is presented. Werneria decumbens is synonymized with X. weddellii, as well as X. fontii with X. humile and X. oscartovarii with X. dactylophyllum. Likewise, four varietal names and two sectional names are proposed as new synonyms. Seven names are lectotypified, the name X. sotarense is epitypified, W. decumbens neotypified, and the supraspecific name W. sect. Integrifoliae Rockh. is typified. The combination X. crassum subsp. orientalecomb. nov. is made. Descriptions and distribution maps are provided for all accepted species, in addition to an identification key. Ten species are illustrated, three of them for the first time.

Phytotaxa ◽  
2016 ◽  
Vol 244 (2) ◽  
pp. 125 ◽  
Author(s):  
Patricia Mai ◽  
Andrés Rossado ◽  
José Mauricio Bonifacino ◽  
Jorge Luiz Waechter

The genus Peperomia is represented by eight species in Uruguay: P. catharinae, P. comarapana, P. hispidula, P. increscens, P. pereskiifolia, P. psilostachya, P. tetraphylla and P. trineuroides. Peperomia psilostachya is reported for the first time for the flora of Uruguay, from material collected in moist hillside and riverside forests from the northeast and east of the country. Three new synonyms are proposed: P. arechavaletae var. arechavaletae as synonym of P. trineuroides, P. arechavaletae var. minor of P. tetraphylla and P. trapezoidalis of P. psilostachya. Lectotypes for P. arechavaletae, P. arechavaletae var. minor and P. tacuariana, and a neotype for P. herteri are designated. The taxonomic treatment includes synonymies used in Uruguay, morphological descriptions, distribution and habitat data, phenology, conservation assesment, observations, and material examined for each species treated. A species identification key, plant illustrations and distribution maps in Uruguay are provided.


Phytotaxa ◽  
2021 ◽  
Vol 483 (3) ◽  
pp. 190-210
Author(s):  
YI TONG ◽  
YUNFEI DENG

Justicia sect. Harnieria is revised from the Philippines for the first time. Seven species are recognized. Two new combinations (J. aspera and J. ramosii) and a replacement name (J. sulitii) are proposed. An identification key to the species is provided. The lectotype is designated for the name Justicia loheri. The description, line drawings and distribution maps are also provided for each species excluding J. aspera.


2020 ◽  
pp. iv-123
Author(s):  
Joel Calvo ◽  
Andrés Moreira-Muñoz ◽  
Vicki A. Funk

Werneria is a neotropical genus belonging to the tribe Senecioneae (Compositae) that is mainly distributed through the highlands of the Andes. Only a single species, W. nubigena, has a trans-Andean distribution and reaches the Tacaná Volcano in southern Chiapas (Mexico). The traditional concept of Werneria was significantly narrowed at the end of the twentieth century after segregating several species and accommodating these mostly in the genus Xenophyllum. As currently circumscribed, it includes rosettiform or scapiform species characterized by usually displaying involucral bracts that are fused at the base, supplementary bracts commonly absent, usually radiate but sometimes discoid or disciform capitula, white or yellow ray corollas (when present), a balusterform filament collar, and style branches that are truncate and have a crown of sweeping hairs. The first modern, comprehensive revision of this genus recognizing 27 species is presented here. Werneria heteroloba and W. obtusiloba are synonymized with W. pinnatifida, and W. acerosifolia is synonymized with W. staticifolia. Moreover, five infraspecific names and three supraspecific names are synonymized. Detailed descriptions, distribution maps, photographs of living plants (except for W. cochlearis), and a list of all specimens examined are provided for each accepted species. An identification key to the species and a list of exsiccatae are also given. Eight species are illustrated, two of them for the first time. The following names are lectotypified: Werneria brachypappa Sch. Bip., W. caespitosa Wedd., W. calyculata Turcz., W. canaliculata Sch. Bip., W. carnulosa A. Gray, W. densa Benth., W. disticha Kunth, W. glaberrima Phil., W. glandulosa Wedd., W. heteroloba f. microcephala Rockh., W. mandoniana Wedd. ex Klatt, W. nubigena Kunth, W. nubigena var. caulescens Wedd., W. nubigena var. dombeyana Wedd., W. orbignyana Wedd., W. orbignyana var. breviradiata A. Gray, W. orbignyana var. longifolia Rockh., W. pectinata Lingelsh., W. plantaginifolia Wedd. ex Klatt, W. pygmaea var. caespitosa Wedd., W. rhizoma J. Rémy, W. solivifolia Sch. Bip., W. staticifolia Sch. Bip., W. staticifolia var. celmisioides Wedd., and W. villosa A. Gray. The names Werneria knocheae Perkins, W. minima Walp., W. minima var. pygmaea Walp., and W. stuebelii Hieron. are neotypified, and an epitype is designated for W. glandulosa. At the supraspecific level, the name Werneria sect. Integrifoliae Rockh. is typified.


Phytotaxa ◽  
2017 ◽  
Vol 302 (1) ◽  
pp. 1
Author(s):  
MEHMET TEKİN ◽  
ŞEMSETTİN CİVELEK

A taxonomic revision of Anthriscus (Apiaceae, tribe Scandiceae) in Turkey was carried out. The genus Anthriscus is represented by four sections and eight taxa, including six species with three non-typical infraspecific taxa in that territory, grouped into four sections: i) A. sect. Anthriscus (A. caucalis var. caucalis and A. tenerrima var. tenerrima); ii) A. sect. Cerefolium (A. cerefolium var. trichocarpa); iii) A. sect. Caroides (A. kotschyi); and iv) A. sect. Cacosciadium (A. lamprocarpa subsp. lamprocarpa, A. lamprocarpa subsp. chelikii, A. sylvestris subsp. sylvestris and A. sylvestris subsp. nemorosa). A new taxon, A. lamprocarpa subsp. chelikii, was found and published as a preliminary result of the present revisionary study. Some new characters such as length of filament and petal, and the ratio of fruit length to its beak length are used in the identification key for the first time. New localities of some taxa were found and their distribution areas are expanded. According to all morphological findings on Turkish Anthriscus, a new description of the genus was carried out. The taxonomic treatments for all taxa include type, synonyms (when present), morphological descriptions, phenology, and distribution areas (worldwide and local), habitats, phytogeographic region, conservation assessment and specimens examined. A new identification key for the sections and all Turkish species of the genus Anthriscus is reported, and illustrations and distribution maps in Turkey are also given for eight taxa.


2020 ◽  
Author(s):  
Joel Calvo ◽  
Andrés Moreira-Muñoz ◽  
Vicki A. Funk

<i>Werneria </i>is a neotropical genus belonging to the tribe Senecioneae (Compositae) that is mainly distributed through the highlands of the Andes. Only a single species, <i>W. nubigena</i>, has a trans-Andean distribution and reaches the Tacaná Volcano in southern Chiapas (Mexico). The traditional concept of <i>Werneria </i>was significantly narrowed at the end of the twentieth century after segregating several species and accommodating these mostly in the genus <i>Xenophyllum</i>. As currently circumscribed, it includes rosettiform or scapiform species characterized by usually displaying involucral bracts that are fused at the base, supplementary bracts commonly absent, usually radiate but sometimes discoid or disciform capitula, white or yellow ray corollas (when present), a balusterform filament collar, and style branches that are truncate and have a crown of sweeping hairs. The first modern, comprehensive revision of this genus recognizing 27 species is presented here. <i>Werneria heteroloba </i>and <i>W. obtusiloba </i>are synonymized with <i>W. pinnatifida</i>, and <i>W. acerosifolia </i>is synonymized with <i>W. staticifolia</i>. Moreover, five infraspecific names and three supraspecific names are synonymized. Detailed descriptions, distribution maps, photographs of living plants (except for <i>W. cochlearis</i>), and a list of all specimens examined are provided for each accepted species. An identification key to the species and a list of exsiccatae are also given. Eight species are illustrated, two of them for the first time. The following names are lectotypified: <i>Werneria brachypappa </i>Sch. Bip., <i>W. caespitosa </i>Wedd., <i>W. calyculata </i>Turcz., <i>W. canaliculata </i>Sch. Bip., <i>W. carnulosa </i>A. Gray, <i>W. densa </i>Benth., <i>W. disticha </i>Kunth, <i>W. glaberrima </i>Phil., <i>W. glandulosa </i>Wedd., <i>W. heteroloba </i>f. <i>microcephala </i>Rockh., <i>W. mandoniana </i>Wedd. ex Klatt, <i>W. nubigena </i>Kunth, <i>W. nubigena </i>var. <i>caulescens </i>Wedd., <i>W. nubigena </i>var. <i>dombeyana </i>Wedd., <i>W. orbignyana </i>Wedd., <i>W. orbignyana </i>var. <i>breviradiata </i>A. Gray, <i>W. orbignyana </i>var. <i>longifolia </i>Rockh., <i>W. pectinata </i>Lingelsh., <i>W. plantaginifolia </i>Wedd. ex Klatt, <i>W. pygmaea </i>var. <i>caespitosa </i>Wedd., <i>W. rhizoma </i>J. Rémy, <i>W. solivifolia </i>Sch. Bip., <i>W. staticifolia </i>Sch. Bip., <i>W. staticifolia </i>var. <i>celmisioides </i>Wedd., and <i>W. villosa </i>A. Gray. The names <i>Werneria knocheae </i>Perkins, <i>W. minima </i>Walp., <i>W. minima </i>var. <i>pygmaea </i>Walp., and <i>W. stuebelii </i>Hieron. are neotypified, and an epitype is designated for <i>W. glandulosa</i>. At the supraspecific level, the name <i>Werneria </i>sect. <i>Integrifoliae </i>Rockh. is typified.


2021 ◽  
Vol 106 ◽  
pp. 167-233
Author(s):  
Nataly O'Leary ◽  
Laura A. Frost ◽  
Fabiana Mirra ◽  
Pablo Moroni

Citharexylum L. belongs to the recently circumscribed tribe Citharexyleae of the Verbenaceae, along with Rehdera Moldenke. It comprises around 50 to 60 species of trees and shrubs growing in the Neotropics. A complete taxonomic revision of Citharexylum in South America is here provided for the first time. Thirty taxa are present in South America, 27 of these are endemic, and three of them also grow in Central America. Detailed morphological descriptions are given for each taxon, as well as a key for their identification; illustrations, photographs, or iconography; updated synonymy; geographic distribution maps and ecological notes; list of selected specimens; and discussion about the relationship among closely related taxa. A new status, C. poeppigii Walp. var. anomalum (Moldenke) N. O’Leary, and a new combination, C. dentatum D. Don var. canescens (Moldenke) N. O’Leary, are proposed. Thirty-five new synonyms are suggested, and lectotypes are designated for C. fruticosum L. var. brittonii (Moldenke) I. E. Méndez, C. laurifolium Hayek, and Rauvolfia spinosa Cav.


Hoehnea ◽  
2018 ◽  
Vol 45 (2) ◽  
pp. 238-306 ◽  
Author(s):  
Rafael Felipe de Almeida

ABSTRACT The taxonomic revision of Amorimia (Malpighiaceae) is presented, including typifications, and descriptions for all accepted species. The genus is endemic to Seasonally Dry Tropical Forests and Rainforests of South America, and its species can be distinguished by morphological details of leaves, indumenta, inflorescences, flowers, and fruits. This study includes an identification key for the subgenera and species of Amorimia, illustrations, distribution maps, conservation risk assessments, and comments on ecology, nomenclature, and taxonomy for all species. Additionally, I provide a key to differentiate Amorimia from the remaining genera of the Malpighioid clade.


2021 ◽  
Vol 66 (1) ◽  
pp. 37-45
Author(s):  
Marco Marcelo Jiménez ◽  
Leisberth Alexis Vélez-Abarca ◽  
Luis Enrique Baquero ◽  
Carlos James Naranjo

The orchid genus Phloeophila is distributed from southern Mexico to Brazil and Bolivia, as well as Cuba. A taxonomic revision including the three Phloeophila species present in Ecuador is presented. Morphological characteristics, an identification key, maps of known localities and illustrations of the species are also included. In Ecuador, species of Phloeophila are only known from the Amazonian rainforests, growing from 890 to 1600 meters of altitude. Phloeophila condorana is described as a new species based on specimens collected in the Ecuadorian province of Zamora-Chinchipe and compared to Phloeophila nummularia. Phloeophila nummularia is reported for the first time in Peru. A lectotype for Pleurothallis echinantha is selected.


2018 ◽  
Vol 58 (1) ◽  
pp. 77-90
Author(s):  
Gabriel Biffi ◽  
Robert Constantin

The Neotropical genus Pygodiscodon Wittmer, 1966 (Coleoptera: Cantharidae: Silinae: Silini) is revised. Six species are recognized as valid, three of which are herein proposed as new: Pygodiscodon apicicornis (Pic, 1910), P. gurupi sp. nov., P. monoceros sp. nov., P. obscurus Wittmer, 1966, P. similis sp. nov., and P. touroulti Constantin, 2010. Pygodiscodon obscurus, currently synonymized with P. apicicornis, is herein revalidated. A lectotype is designated for P. apicicornis. Pygodiscodon apicicornis and P. touroulti are recorded for the first time in Guyana and Suriname, and Brazil respectively. An identification key and a distributional map for the species are provided.


2021 ◽  
Vol 106 ◽  
pp. 340-371
Author(s):  
Joel Calvo

The Neotropical genus Pentacalia Cass. (Compositae, Senecioneae) is distributed from southern Mexico to northwestern Argentina, plus two disjunct species that thrive in Brazil. Most species diversity occurs in the montane forests of Colombia, Ecuador, and Peru. It comprises scandent woody plants characterized by displaying alternate leaves (opposite in three species), involucres with supplementary bracts, usually yellow ray florets (when present), sagittate to caudate anther bases, and truncate to obtuse style branches with a crown of sweeping trichomes (sometimes with a tuft of longer trichomes, but not strictly penicillate). The Bolivian species were revised for the first time by Cabrera (1985), who treated the group under Senecio L. sect. Streptothamni Greenm. Because of the subsequent addition of new species and the need of taxonomic arrangements, an updated synopsis of the genus recognizing 18 species is presented. The names P. brittoniana (Hieron.) Cuatrec. and P. miguelii (Cuatrec.) Cuatrec. are synonymized with P. psidiifolia (Rusby) Cuatrec., as well as P. inquisiviensis H. Rob. & Cuatrec. with P. cardenasii (Cuatrec.) Cuatrec. and P. sailapatensis (Cuatrec.) Cuatrec. with P. urubambensis (Cabrera) Cuatrec. Seven names are lectotypified and an epitype is designated for the name P. zongoensis (Cabrera) J. Calvo. The new species P. viburnifolia J. Calvo & A. Fuentes is described. Revised nomenclature, succinct descriptions, taxonomic discussions, lists of specimens examined, and distribution maps are provided for all accepted species, in addition to an identification key. Pictures of living plants are also presented for eight species.


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