Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 1051 to 1100 of 1618 works
Bomarea pastazensis (Alstroemeriaceae), an exceptionally small new species from the eastern Andean slopes of Ecuador
Recent field research on the eastern slopes of the Andes resulted in the discovery of a new species of Bomarea from the Cerro Candelaria Reserve in the Tungurahua province of Ecua…
A new species of Mollinedia (Monimiaceae, Laurales) from the Quadrilátero Ferrífero, Brazil
Monimiaceae comprises approximately 26 genera and 250 species, with a pantropical distribution, predominantly occurring in humid forests. In Brazil, it is represented by five gene…
Generic concepts and species diversity within the Gynoxyoid clade (Senecioneae, Compositae)
The Gynoxyoid clade of the Senecioneae (Asteraceae) until now included the five genera Aequatorium, Gynoxys, Nordenstamia, Paracalia and Paragynoxys as diagnosed using selected mo…
A new species of Iochroma Benth. (Solanaceae) from the eastern Andes of Colombia
Iochroma orozcoae A.Orejuela & S.D.Sm., sp. nov. (Solanaceae) is described from the Andean forests of Cundinamarca in the eastern cordillera of Colombia. Iochroma orozcoae was fir…
A revision of the South American species of the Morelloid clade (Solanum L., Solanaceae)
The Morelloid clade, also known as the black nightshades or "Maurella" (Maurella), is one of the 10 major clades within the mega-diverse genus Solanum L. The clade is most diverse…
A new species of Schlegelia (Schlegeliaceae) from wet montane forest of Colombia and a key for the species of the genus
In this paper we describe and illustrate Schlegelia longirachis a new species from montane forest remnants (1200--1900 m) in the Western slope of the Eastern Cordillera of Colombi…
When the absence of evidence is not the evidence of absence: Nasa (Loasaceae) rediscoveries from Peru and Ecuador, and…
Documentation of plant taxa has long been subject to the temporal and spatial selectivity of professional research expeditions, especially in tropical regions. Therefore, rare and…
A new remarkable Vanilla Mill. (Orchidaceae) species endemic to the Espinhaço Range, Brazil: its phylogenetic position…
During surveys conducted on Neotropical Vanilla, a new endemic species was found in the Brazilian campos rupestres of the Espinhaço Range. Here, this new remarkable Vanilla specie…
Amanoa condorensis (Phyllanthaceae), a new shrubby species from the Cordillera del Condor in southern Ecuador
A new species of Amanoa (Phyllanthaceae) is described from the sandstone Nangaritza Plateau in the Cordillera del Cóndor Region in southern Ecuador. Amanoa condorensis J.L.Clark &…
Rediscovery of Rubus pendulus Rusby (Rosaceae) and a new record for the flora of Ecuador and Peru
We report the rediscovery of Rubus pendulus Rusby, “Mora India”, described in 1933 from Colombia and not mentioned again until the present study. We also update its distribution w…
New and noteworthy species of the genus Epidendrum (Orchidaceae, Laeliinae) from the Área de Conservación Privada La P…
Fourteen species of the genus Epidendrum, recently collected in the Área de Conservación Privada La Pampa del Burro (ACPPB), five of them new to science (Epidendrum echinatianther…
A new species of Piper (Piperaceae) with peltate leaves from Serranía de las Quinchas, Colombia
Piper quinchasense is described and illustrated as a new species occurring in the understory of wet montane forest of the middle Magdalena Valley in Colombia, the easternmost port…
Marsupella brasiliensis sp. nov. (Gymnomitriaceae, Marchantiophyta) from Brazil – the distribution of sect. Stolonicau…
The specimen previously identified as Marsupella microphylla from Brazil is reassessed and described as a new species, M. brasiliensis. The new species is characterized by paroico…
Species of Peperomia (Piperaceae) from the Saña River Valley, Peru
The Saña River Valley in Northern Peru is unusual for the western slopes of the Peruvian Andes because of its nearly year-round regime of precipitation instead of marked seasonal …
A new species of Liparis (Orchidaceae, Epidendroideae, Malaxidinae) from the Bosque de Protección Alto Mayo, San Martí…
Liparis altomayoënsis sp. nov. is described, illustrated, and tentatively assigned to the Neotropical section Decumbentes on the basis of its branching, prostrate rhizomes and upr…
Contributions to Ecuadorian butterworts (Lentibulariaceae, Pinguicula): two new species and a re-evaluation of Pinguic…
Comparatively few species of the insectivorous genus Pinguicula L. have been recognized in South America so far. In recent years, a number of narrowly endemic taxa from the Andes …
A new, disjunct species of Bahiana (Euphorbiaceae, Acalyphoideae): Phytogeographic connections between the seasonally …
Bahiana is expanded from 1 to 2 species with the description of B. occidentalis K. Wurdack, sp. nov. as a new endemic of the seasonally dry tropical forests (SDTFs) of Peru. The d…
A taxonomic revision of Keraunea, including three new species and its phylogenetic realignment with Ehretiaceae (Borag…
Keraunea is an enigmatic genus of lianescent shrubs endemic to Brazil and found within the Caatinga and Mata Atlântica phytogeographic regions. When first published, Keraunea was …
Glossoloma magenticristatum (Gesneriaceae), a new species from the Cordillera Oriental of the Colombian Andes
A narrowly endemic new species of Glossoloma is described from the Cordillera Oriental of the northern Andes, in the Colombian departments of Caquetá and Huila. Glossoloma magenti…
A new species of Diplostephium (Asteraceae, Astereae) from the Atacama Desert, Chile
A new species, Diplostephium paposanum S.T.Ibáñez & Muñoz-Schick, sp. nov., is described for Chile, extending the southern distribution of the genus. Its position within the genus…
A new species of Hibiscus (Malvaceae, Malvoideae) from Guyana
Hibiscus marioniae Dorr, sp. nov. is described and illustrated. It evidently is restricted to central Guyana, northeast of the Kanuku Mountains near the Rewa River, a tributary of…
Two new species of Miersia and their phylogenetic placements alongside the recently described M. putaendensis (Gillies…
Two new species of the Chilean endemic genus Miersia (Gilliesieae, Allioideae, Amaryllidaceae) are described, M. stellata and M. raucoana, alongside morphological descriptions, a …
Monopyle glutinosa (Gesneriaceae), a new species from the western slopes of the Ecuadorian Andes
Exploratory field expeditions to the western slopes of the Ecuadorian Andes resulted in the discovery of a new species of Monopyle (Gesneriaceae). Monopyle glutinosa J.L.Clark & K…
New Piper species from the eastern slopes of the Andes in northern South America
We describe four new species of Piper from the Amazonian slopes of the northern Andes. Piper hoyoscardozii is distinguished from similar climbing species, P. dryadum and P. flagel…
Boliviadendron, a new segregate genus of mimosoid legume (Leguminosae, Caesalpinioideae, mimosoid clade) narrowly ende…
Phylogenetic analyses of DNA sequence data sampling all species of Leucochloron alongside representatives of genera of the Inga and Albizia clades of the larger ingoid clade of mi…
A monograph of the genus Polylepis (Rosaceae)
We present a monograph of the high Andean tree genus Polylepis (Rosaceae), based on a species concept considering morphological, climatic and biogeographic distinctness as indicat…
Monograph of Doselia (Solanaceae), a new hemiepiphytic genus endemic to the northern Andes
A new genus, Doselia A.Orejuela & Särkinen, gen. nov., is described in the tribe Solandreae (Solanaceae) consisting of four species of hemiepiphytic lianas endemic to the premonta…
Monograph of wild and cultivated chili peppers (Capsicum L., Solanaceae)
Capsicum L. (tribe Capsiceae, Solanaceae) is an American genus distributed ranging from the southern United States of America to central Argentina and Brazil. The genus includes c…
New Species of Virola (Myristicaceae) from South America
With about 70 species Virola, is the largest genus of Myristicaceae in the Neotropics, the genus ranked in the top ten genera of abundance across Amazonia. Ten new species are pro…
Johnstonella punensis (Boraginaceae), a new species endemic to the dry Puna of Chile
In an earlier molecular phylogenetic study, a sample of what was originally identified as Cryptantha hispida (Boraginaceae) from Chile, grouped with species of the genus Johnstone…
Two new pendulous epiphytic Columnea L. (Gesneriaceae) species from the Chocó forests of the Northern Andes
Exploratory field expeditions to the Chocó forests in the northwestern slopes of the Ecuadorian and Colombian Andes resulted in the discovery of two new species of Columnea (Gesne…
A new species and new records of Solanum (Solanaceae) from Colombia
We describe a new species of the Geminata clade of Solanum from Colombia and provide new distributional records for two additional Solanum species, recorded here for the first tim…
Taxonomic revision of the peculiar genus Xylopodia (Loasaceae) with a new species from Argentina and Bolivia demonstra…
Loasaceae subfam. Loasoideae are a nearly exclusively American plant group with a center of diversity in Peru. Numerous new taxa have been described over the past decades; one of …
Relationships among Calibrachoa, Fabiana and Petunia (Petunieae tribe, Solanaceae) and a new generic placement of Arge…
Calibrachoa Cerv., Fabiana Ruiz & Pav., and Petunia Juss. form a clade within tribe Petunieae (Solanaceae). Phylogenetic studies of Petunieae, either as part of a family-wide anal…
Nicotiana gandarela (Solanaceae), a new species of ‘tobacco’ highly endangered from the Quadrilátero Ferrífero in Braz…
Nicotiana gandarela Augsten & Stehmann (Solanaceae), sp. nov., a small ’tobacco’ known only from one locality at Serra do Gandarela, in the state of Minas Gerais, Brazil, is descr…
Two new species of Drymonia (Gesneriaceae) from Northwestern South America, including the discovery of the longest flo…
Two new species, Drymonia intermedia Clavijo & J.L.Clark, sp. nov. and D. longiflora J.L.Clark & Clavijo, sp. nov. (Gesneriaceae, Columneinae), are described from the western Ande…
Valeriana praecipitis (Caprifoliaceae), a species new to science and endemic to Central Chile
The species Valeriana praecipitis (Caprifoliaceae), new to science and endemic to the Ñuble Region, Central Chile, is formally described. Morphological data support its placement …
Two new species of Rubus L. (Rosaceae) from the western Andes of Ecuador
Two new species of Rubus (Rosaceae) from the western Andes of northern Ecuador are described. Rubus longistipularis D.A. Espinel-Ortiz & Romol. is a scandent or climbing shrub fou…
New and poorly known “araphid” diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a d…
Based on two Andean Altiplano samples and on light and scanning electron microscopy analyses, we present six new species of “araphid” diatoms in the genus Pseudostaurosira, P. aed…
Notes on Brazilian Pachira (Malvaceae, Bombacoideae) II: Additional typifications and new synonymies
The typification and status of the names of 14 species of Pachira (Malvaceae: Bombacoideae) found in Brazil are discussed, including type material from Brazil, the Guianas, Colomb…
Materials to the revision of the genus Cranichis (Orchidaceae) in Bolivia
The diversity of Cranichis in Bolivia is evaluated. An updated key for identifying species is provided. Morphological characteristics of 15 species of Bolivian Cranichis are prese…
Glossoloma wiehleri (Gesneriaceae), a new species from the northwestern Andes of Ecuador
A new species of Glossoloma is described from the western Andean slopes of the Pichincha Province in northern Ecuador. Glossoloma wiehleri J.L.Clark & Tobar is differentiated from…
Calceolaria flavida (Calceolariaceae) a new endemic species to central Chile
A new species of Calceolaria sect. Cheiloncos endemic to central Chile is described. A comparison with the morphologically similar species Calceolaria asperula and Calceolaria pet…
Studies in Austral Bryaceae (Bryopsida). III. A Preliminary Account with Keys to Rosulabryum J.R. Spence in Chile
A preliminary study of the genus Rosulabryum J.R. Spence in Chile is presented, with brief species descriptions, notes on ecology and distributions, and a taxonomic key. The follo…
Living in extreme environments: distribution of Lycium humile (Solanaceae), an endemic halophyte from the Altiplano-Pun…
Very few Solanaceae species are able to grow in saline soils; one of them is Lycium humile. This species is endemic to the Altiplano-Puna region (Central Andes, South America) whe…
A new species of Epidendrum L. (Orchidaceae) of pendulous habit from Peru
A new species of Epidendrum L. from northern Peru is described, illustrated, and compared with related species. This new species belongs to the Laxicaule Group and shares morpholo…
Notes on the systematics of Cuscuta sect. Subulatae (subg. Grammica) with the description of Cuscuta mantiqueirana, a n…
Cuscuta mantiqueirana Costea, S.S. Silva & Sim.-Bianch. a new species from montane cloud forests of the Serra da Mantiqueira, Brazil, is described and illustrated. The morphologic…
Three new species of Columnea (Gesneriaceae) from the western Andean slopes of Ecuador and Colombia
Three new species of Columnea (Gesneriaceae, tribe Gesnerieae) are described from the western Andean slopes of northern Ecuador and southern Colombia. Columnea angulata J.L. Clark…
Three new endemic species of Lepanthes (Orchidaceae, Pleurothallidinae) from the highlands of Ecuador
Three new species of Lepanthes from Ecuador are described and illustrated. These additions to the Ecuadorean flora were recorded in evergreen montane forest and páramo as part of …