Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 1001 to 1050 of 1618 works
Myrtus communis in Europe threatened by the pandemic and South African strains of the myrtle rust pathogen Austropucci…
Austropuccinia psidii, the causal agent of myrtle rust, has emerged as a significant threat to Myrtaceae in planted and natural woody ecosystems. The first detection of A. puccini…
Genetic analyses reveal a complex introduction history of the globally invasive tree Acacia longifolia
Acacia longifolia (Sydney golden wattle) is considered one of the most problematic plant invaders in Mediterranean-type ecosystems. In this study, we investigate the species’ inva…
A priority-setting scheme for the management of invasive non-native species in protected areas
Invasion by non-native species is one of the major threats to the conservation of biodiversity and to the provision of ecosystem services by protected areas. Invasive species ofte…
Systematic history and updated generic key of the tribe Spathicarpeae (Aroideae, Araceae)
The Neotropical tribe Spathicarpeae (Araceae, Aroideae) comprises 14 genera distributed from southern Mexico to Uruguay. Despite its complex taxonomic history, the tribe lacks a c…
A new species of Echinodorus (Alismatales, Alismataceae) from the Chaco region with a waterlily soul
We describe Echinodorus nenufar, a new species from ephemeral aquatic environments in the dry Chaco region of northern Argentina and western Paraguay. This species is readily dist…
Columnea rubromarginata (Gesneriaceae), a new species from the western Andean slopes of Colombia and Ecuador
Field expeditions to the western Andean slopes of Colombia and ongoing herbarium research resulted in the discovery of a new species of Columnea (Gesneriaceae). Columnea rubromarg…
Two new species of Microlicia (Melastomataceae) from unprotected campo rupestre in the western Chapada Diamantina, Bahi…
Microlicia D.Don (Melastomataceae, Lavoisiereae) is a genus of shrubs and subshrubs comprising nearly 300 species, primarily distributed across nutrient-poor, open habitats in Bra…
Comparisons of insect and pathogen leaf damage on early Eocene Eucalyptus (Myrtaceae) from Patagonia and extant Austral…
Australian forests and woodlands are dominated by the species-rich (> 700 spp.) genus Eucalyptus L’Hér. (Myrtaceae). Despite this modern-day dominance, the earliest macrofossil ev…
A nomenclator of Drymaria (Caryophyllaceae)
Drymaria (Caryophyllaceae) is here considered to contain 56 species plus 19 infraspecific taxa, excluding autonyms. In the current study, all effectively published names of Drymar…
Solanum stellaticalycinum, a new simple-leaved species of the Pteroidea clade from Peru (Potato Clade, Solanum, Solanac…
A new species from the montane forests in central Peru belonging to the Pteroidea clade of Solanum is described and illustrated. Solanum stellaticalycinum M.A.Cueva, Treviño & D.S…
A new tree species from seasonally dry tropical forest in southern Ecuador, Spirotheca zapotillana sp. nov. (Malvaceae)…
A new species of Malvaceae, Spirotheca zapotillana, is described from the Equatorial Pacific region of South America. The species occurs in seasonally dry tropical forests of El O…
Carex huancabambica (Cyperaceae), a new species from the Peruvian and Ecuadorian Andes
The Huancabamba Depression in Neotropical South America, a natural barrier between the Northern and Central Andes, serves as a refuge for high levels of angiosperm diversity. Howe…
Dorobaea linearifolia (Asteraceae, Senecioneae), a distinctive new species of the subtropical montane forests of centra…
Dorobaea linearifolia Montesinos & Pruski (Asteraceae, Senecioneae) is described as a new species from the humid subtropical montane forests of central Peru, specifically from the…
A new species of Pleurothallis in the P. cardiostola-P. lilijae complex of section Macrophyllae-Fasciculatae (Orchidace…
A new species of Pleurothallis subgenus Pleurothallis section Macrophyllae-Fasciculatae, recently discovered in upper montane cloud forests of the province of Loja, southern Ecuad…
Two new rarely collected species of Annonaceae from the Peruvian Amazon
While preparing a taxonomic revision of the Neotropical genus Klarobelia Chatrou (Annonaceae), two species new to science – Klarobelia icoja S.Lara & Chatrou, sp. nov., and Malmea…
Two new species of Columnea (Gesneriaceae) from the Colombian Andes
Two new species of Columnea are described based on recent field expeditions and herbarium research. These species are unusual within Columnea for exhibiting a dorsiventral epiphyt…
A new species of Nototriche (Malvaceae, Malvoideae) from the high Andes of Ecuador
A new species of Nototriche (Malvaceae, Malvoideae) growing in the high Andes of Ecuador is described. Nototriche antisanensis E.J.Trujillo, Muriel, Espinel-Ortiz & Romol. is a cu…
The native species of Callianthe (Malvaceae, Malvoideae) in northern South America (Colombia, Venezuela, the Guianas an…
The native species of Callianthe Donnell (Malvaceae, Malvoideae) in northern South America (Colombia, Venezuela, the Guianas and adjacent Brazil) are reviewed. Five species are re…
A forgotten gem: Mendoncia affinis (Acanthaceae), a new species once thriving at the Avenida Paulista, São Paulo, Brazil
Recent research towards a revision of Neotropical Mendoncia has confirmed the existence of a new species growing in the semideciduous seasonal forest (mata de planalto) component …
Adesmia ephedroides (Fabaceae, Faboideae), a new species from the Mediterranean-type ecosystem of Valparaíso Region, Ch…
A new species, Adesmia ephedroides, discovered in a restricted area of the coastal mountain range within the Valparaíso Region, Chile, is here described. Molecular phylogenetic an…
Cyphocarpus perennis (Asterales, Campanulaceae, Cyphocarpoideae), a new species endemic to the Andes of the Atacama Des…
A new species, Cyphocarpus perennis sp. nov., endemic to the Andes of the Atacama Desert of Chile is here described. Based on new nrDNA ITS sequence data, phylogenetic analyses pl…
Preliminary notes on Justicia (Acanthaceae) in Peru
Justicia L. is the most species-rich genus of Acanthaceae in Peru and is here accepted in its broader traditional circumscription. The present paper marks a preliminary step towar…
Taxonomic clarifications, a new combination, and three new species of Neotropical Rinorea (Violaceae)
Based on findings of revisionary studies of Neotropical Rinorea, we propose several taxonomic novelties and clarifications in this study, including the description of three new sp…
Four new species of Drymonia (Gesneriaceae) from South America: Tributes to inspirational leaders
Exploratory field expeditions and herbarium research have led to the discovery of four new species of Drymonia (Gesneriaceae), distinguished by laterally compressed corollas, elon…
Ormosia neillii (Fabaceae), a remarkable new tree species from the Cordillera del Cóndor plateaus in Ecuador
A new species, Ormosia neillii (Fabaceae), is described and illustrated from the tepui-like formations of the Cordillera del Cóndor Region in south-eastern Ecuador. Morphological …
A new cherry species (Prunus, Rosaceae) from south-western Ecuador
Prunus luxurians, a new species from Buenaventura Reserve at El Oro province in Ecuador is described and illustrated. Additionally, notes on its geographical distribution, ecology…
Phragmotheca centinelensis (Malvaceae, Malvoideae or Matisioideae), a newly-discovered, endangered canopy tree species …
During floristic inventories in remnant cloud forests of the Centinela Ridge of the Chocó Region of Ecuador, where less than 7 km2 of forest patches remain across an area of appro…
A revision of the endemic Brazilian Solanum hexandrum group (Leptostemonum, Solanum, Solanaceae)
The Leptostemonum Clade, or the ‘spiny solanums’, represents half of the species diversity of the large cosmopolitan genus Solanum (Solanaceae). Brazil is a centre of both species…
Columnea golondrinensis (Gesneriaceae), a new species from Cerro Golondrinas in the northern Andes of Ecuador
Exploratory field expeditions to the Chocó forests in the northern Andes of Ecuador resulted in the discovery of a new species of Columnea (Gesneriaceae). Columnea golondrinensis …
A synopsis of Christiana DC. (Malvaceae, Brownlowioideae), with a new species from the Brazilian Atlantic Forest
A taxonomic synopsis is provided for the genus Christiana, with emphasis on the American species. Full synonymies, typifications, comments about distribution, and notes on main di…
Taxonomic revision and phylogenetic relationships of Thinouia (Sapindaceae), a neotropical genus
A taxonomic revision of Thinouia (Sapindaceae) is presented, including typification and descriptions for all accepted species. Phylogenetic analyses based on molecular data confir…
No end to endemism – contributions to the difficult Nasa Weigend Series Alatae (Loasaceae). A new species from Peru and…
A new species of Nasa ser. Alatae (Urban & Gilg) Weigend from Northern Peru is described and illustrated. Nasa katjae sp. nov. was at first encountered by an observation on iNatur…
A new tree species of Compsoneura (Myristicaceae) from the Andean forests on the Eastern Cordillera Range, Colombia
Compsoneura crassitepala, a new species of Myristicaceae is described, illustrated and its morphological relationships with related species are discussed. This new species is foun…
Wedelia figueiredoana (Asteraceae, Heliantheae), a winged cypselae new species of Wedelia for Brazil
We describe one new species from Ceará state, Brazil: Wedelia figueiredoana. It is morphologically associated with W. bonplandiana, but distinguished by 0.25–1.05 cm leaf blade wi…
Leucheria peteroana (Nassauvieae, Asteraceae), a new species of Leucheria endemic to the Andes of Central Chile, and in…
A new species, Leucheria peteroana sp. nov., endemic to a restricted area of the Andes of Central Chile, is here described. Using newly sequenced nDNA and cpDNA data, the phylogen…
Resolving the Drymonia killipii (Gesneriaceae) complex results in a new species from the northwestern Andes of South Am…
A new species, Drymonia quadrangulata Clavijo & J.L.Clark, sp. nov. (Gesneriaceae, Columneinae), is described from the western Andean slopes of southern Colombia and northern Ecua…
Miconia garagoana - Melastomataceae: A new rheophytic species from the eastern Andes of Colombia
A new species, Miconia garagoana, from riparian environments of the northern Cordillera Oriental of Colombia, is described. This is the second species exclusive to rheophytic cond…
Annotated checklist of Rubus L. (Rosaceae) from South America
The diversity of Rubus in South America is much understudied and a taxonomic framework needs to be established as a basis for future revisionary and phylogenetic work. Our review …
A new species of Bonnetia Mart. (Bonnetiaceae) from the Pantepui of South America
Bonnetia is the most representative genus of the Pantepui woody flora and is among the groups with the greatest endemism in the local flora. The genus has 28 currently recognized …
George Gardner’s enigmatic species Goyazia villosa (Gesneriaceae) finally rediscovered
Tapina villosa (Gesneriaceae) was published by George Gardner in 1842, based on material he collected in Serra de Natividade (Tocantins, Brazil) in 1840. The species is now recogn…
Eriotheca paganuccii (Bombacoideae, Malvaceae), a new endangered species from montane forests in the Atlantic Forest of…
A new species of Eriotheca (Bombacoideae, Malvaceae) from montane wet forests in the Atlantic Forest of Bahia, northeastern Brazil, is described and illustrated. It is known from …
Carex recondita Muñoz-Schüler, Martín-Bravo & Jim.Mejías (Carex section Junciformes Kük., Cyperaceae), a new sedge spec…
Carex section Junciformes is one of the most diverse groups of the genus in South America, consisting of approximately 30 species. Here we describe a new species, Carex recondita,…
A missing piece is found: a new species of Paepalanthus (Poales, Eriocaulaceae) and the puzzling relations of the campo…
Paepalanthus is a diverse genus characteristic of the campos rupestres, a megadiverse vegetation found on mountaintops of mainly quartzitic mountain ranges of central-eastern Braz…
Amalophyllon miraculum (Gesneriaceae), an exceptionally small lithophilous new species from the western Andean slopes o…
Recent exploratory field expeditions to the western slopes of the Ecuadorian Andes resulted in the discovery of a new species of Amalophyllon (Gesneriaceae). Amalophyllon miraculu…
Seven new species of Rinorea (Violaceae) from the Neotropics
Over the course of revising the genus Rinorea (Violaceae) from Colombia, field observations and herbarium studies revealed seven new species. Several of the new species described …
Orthotrichum camanchacanum, a remarkable new moss species from Chile (Bryopsida, Orthotrichaceae)
Orthotrichum camanchacanum is presented as a newly described species from Chile. The species is primarily distinguished by its emergent capsule with cryptoporous stomata, a double…
Taxonomic revision of the native Magnolia (Magnoliaceae) species of Brazil
The genus Magnolia (Magnoliaceae) has a wide and disjunct geographic distribution ranging from Eastern and South Asia to Malaysia, extending across the Neartics and reaching into …
Taxonomic novelties in Haplopappus (Asteraceae, Astereae) from Chile
Two new species of Haplopappus (Asteraceae) from central Chile are described in this article. Haplopappus colliguayensis sp. nov. is restricted to La Chapa hill, Colliguay, Valpar…
Taxonomic dissection based on molecular evidence of the Eriosyce curvispina complex (Cactaceae): identifying nine ende…
Chile’s distinctive flora, geographical isolation, and complex topography collectively contribute to a notable endemic species diversity, particularly within central regions ident…
Rhynchospora mesoatlantica (Cyperaceae), an imperiled new species of beaksedge from eastern U.S.A.
Rhynchospora mesoatlantica sp. nov. (Cyperaceae) is described, illustrated, and compared with morphologically similar species. Rhynchospora mesoatlantica is known only from southe…