South America - Latest works
1618 research works with geographic metadata for South America (Continent).
1618 works
Showing 1101 to 1150 of 1618 works
Two new species of Otoba (Myristicaceae) from Colombia
Otoba is the third largest genus of Myristicaceae in the Neotropics with 12 species, nine of them native to Colombia. Two new species from the department of Antioquia, O. scottmor…
Typifications of some species names in Anthurium section Pachyneurium (Araceae)
During a taxonomic study of Anthurium sect. Pachyneurium, it was found that the names of four species required typification. Verification of the protologues and cited collections …
Two new species of Athenaea Sendtn. (Solanaceae) from the Atlantic forests of south-eastern Brazil
Two new species of Athenaea Sendtn. (Solanaceae) from the Brazilian Atlantic Forest are described and illustrated. Athenaea altoserranae I.M.C. Rodrigues & Stehmann, sp. nov. from…
Taxonomic revision of Martinella Baill. (Bignonieae, Bignoniaceae)
Martinella Baill. is a genus of Neotropical lianas in tribe Bignonieae (Bignoniaceae). The genus is monophyletic and well supported by morphological and molecular characters. Memb…
Heteropterys rosmarinifolia, a new species of Malpighiaceae with verticillate leaves from savannas grasslands of centra…
A new species of Heteropterys belonging to the Parabanisteria informal group is described for the savannas grasslands of the Serra do Tombador Natural Reserve, municipality of Cav…
On Hydrangea peruviana, an endangered species from Ecuador, and Hydrangea oerstedii, very common in Costa Rica and Pana…
Hydrangea section Cornidia, currently consisting of 19 accepted taxa, occurs from Mexico to Chile and Argentina, with one species in southeast Asia. Its representatives are root-c…
Nomenclatural and taxonomic updates in Rourea subgen. Rourea sect. Multifoliolatae (Connaraceae)
The pantropical genus Rourea Aubl. (Connaraceae) is composed of ca. 70 species, most of which occur in the Neotropics. Rourea is currently subdivided into three subgenera, with th…
Leucheria cantillanensis (Nassauvieae, Asteraceae), a new species endemic to Central Chile
A new species, Leucheria cantillanensis sp. nov., endemic to the coastal mountain range of Central Chile, is described. By using both nDNA and cpDNA, phylogenetic relationships of…
Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil
Monadelpha L.J.Gillespie & Card.-McTeag., gen. nov., is described as a new member of Euphorbiaceae tribe Plukenetieae subtribe Tragiinae, to accommodate Tragia guayanensis, a spec…
Hidden biodiversity of Amazonian white-sand ecosystems: two distinctive new species of Utricularia (Lentibulariaceae) f…
As deforestation and fire move forward over pristine vegetation in the Amazon, many species remain undiscovered and may be threatened with extinction before being described. Here,…
A new species of Eriotheca (Malvaceae, Bombacoideae) from coastal areas in northeastern Brazil
A new species of Eriotheca (Malvaceae, Bombacoideae) from coastal areas in the northeastern Brazilian states of Alagoas and Bahia is described and illustrated. Eriotheca alversoni…
An amazing new Capsicum (Solanaceae) species from the Andean-Amazonian Piedmont
Capsicum regale Barboza & Bohs, sp. nov., a new species from the tropical wet forests of the eastern Andean slopes (Colombia, Ecuador, and Peru) is described and illustrated. This…
A new species of Thinouia (Paullinieae, Sapindaceae) from the Amazon and its phylogenetic placement
Thinouia is a Neotropical genus of lianas with approximately 12 species and is the only genus in tribe Paullinieae with actinomorphic flowers. During a taxonomic revision of the g…
Iron islands in the Amazon: investigating plant beta diversity of canga outcrops
The world’s largest mineral iron province, Serra dos Carajás, is home to an open vegetation known as canga, found on top of isolated outcrops rising out of the Amazon rainforest. …
Octoblepharum peristomiruptum (Octoblepharaceae) a new species from the Neotropics
Octoblepharum peristomiruptum, a new species of moss in the family Octoblepharaceae from Panama and Brazil, is described and illustrated. The new species is characterised by plant…
Two new species of Microlicia D.Don (Melastomataceae, Microlicieae) from Chapada dos Veadeiros, Goiás State, Brazil
Microlicia gracilis and Microlicia xylopodifera, endemic to Chapada dos Veadeiros, Goiás State, Brazil, are described, illustrated and the conservation status is also provided. Bo…
A new species of Besleria (Gesneriaceae) from the Serranía El Pinche (Cauca), southwestern Colombia
A new species of the genus Besleria (Gesneriaceae), endemic to the department of Cauca, Colombia, is described and illustrated here. The new species, Besleria santaclarensis Clavi…
Notes on the genus Ophryosporus (Asteraceae, Eupatorieae) in Chile
Ophryosporus Meyen is reviewed for Chile and an updated species list for the country based on herbarium records and literature review is presented. A key to the Chilean species is…
A new rare and endemic species of Sloanea (Elaeocarpaceae) from the Chocó region of Ecuador
A new species collected in the lowland forests of the Chocó region of Ecuador, Sloanea cayapensis, is described and illustrated and its morphological similarities with other speci…
Taxonomic innovations in South American Selaginella (Selaginellaceae, Lycopodiophyta): description of five new species …
Five Selaginella species (i.e, S. gioiae, S. papillosa, S. pubimarginata, S. rostrata, and S. xanthoneura) from Neotropical rainforests of South America are described and illustra…
Taxonomic revision of the Andean genus Xenophyllum (Compositae, Senecioneae)
The Andean genus Xenophyllum (Compositae, Senecioneae) is distributed along the high-Andes from northeastern Colombia to northern Chile and northwestern Argentina, mainly thriving…
Conifer wood assemblage dominated by Podocarpaceae, early Eocene of Laguna del Hunco, central Argentinean Patagonia
During the early Eocene, Patagonia had highly diverse floras that are primarily known from compression and pollen fossils. Fossil wood studies from this epoch are scarce in the re…
Rediscovery and taxonomic placement of Solanum polyphyllum Phil. (Solanaceae), a narrow endemic from the Chilean Atacam…
Although the original description of Solanum polyphyllum Phil. was made in 1891, this species was not seen until it was re-discovered 128 years later in 2019 in the Atacama Desert…
New species of Anthurium Schott (Araceae) from the Kõkõi Eujã Natural Traditional Reserve of the Pacific coast, Cauca D…
The Kõkõi Eujã Natural Traditional Reserve was created in 2019 to protect the golden poison frog (Phyllobates terribilis Myers, Daly & Malkin, 1978) in the Cauca Department of Col…
Synopsis of Schizanthus Ruiz & Pav. (Solanaceae), a genus endemic to the southern Andes
We present a taxonomic synopsis of the South American genus Schizanthus Ruiz & Pav. (Solanaceae), within which we recognise seventeen taxa (14 species with three infraspecific tax…
Notes on Brachymenium in Guyana with a new species from Mt. Ayanganna
A relative of the African species described by Brotherus as Bryum perspinidens, has been discovered in Guyana with erect capsules and a short inner peristome. The Guyana material …
Agrostis and Podagrostis (Agrostidinae, Poaceae) from páramos of Boyacá, Colombia: synoptic taxonomy including a key to…
We present taxonomic notes, including updated species descriptions and images, for the nine species of Agrostis and one species of Podagrostis found in páramos of Departamento Boy…
A threatened new species of Ipomoea (Convolvulaceae) from the Brazilian Cerrado revealed by morpho-anatomical analysis
A new species of Ipomoea, endemic to the Cerrado domain in Maranhão, Brazil, is described. Ipomoea maranhensis D.Santos & Buril, sp. nov. has been misidentified as I. burchellii M…
Senecio festucoides (Senecioneae, Compositae), a new species from northern Chile
Senecio festucoides is described from northern Chile. The new species is morphologically similar to the discoid caespitose Andean species and belongs to the subgroup displaying ye…
New combinations and updated descriptions in Podagrostis (Agrostidinae, Poaceae) from the Neotropics and Mexico
Based on morphological study and corroborated by unpublished molecular phylogenetic analyses, five grass species of high-mountain grasslands in Mexico, Central and South America, …
A new species and a new record of Liparis sect. Decumbentes (Malaxidinae, Orchidaceae) from Peru
A new species of Liparis sect. Decumbentes, Liparis sessilis Damián, Salazar & Rimarachín, sp. nov is described and illustrated from Amazonas (Perú), including color photographs, …
A foundation monograph of Ipomoea (Convolvulaceae) in the New World
A monograph of the 425 New World species of Ipomoea is presented. All 425 species are described and information is provided on their ecology and distribution, with citations from …
Capsicum carassense (Solanaceae), a new species from the Brazilian Atlantic Forest
Capsicum carassense Barboza & Bianchetti sp. nov., a species from mid-elevation of the Atlantic Forest (Minas Gerais, Brazil) is described and illustrated. This endemic new specie…
Pinguicula rosmarieae Casper, Bussmann & T.Henning (Lentibulariaceae), a new butterwort from the Amotape-Huancabamba Zo…
The insectivorous genus Pinguicula occurs along the whole Andean mountain chain from Colombia-Venezuela in the north to Tierra del Fuego in the south with a short interruption in …
Drymaria veliziae (Caryophyllaceae), a new species from the Andes of Cajamarca (North Peru)
A new species from the Northern Peruvian Andes (Cajamarca department), Drymaria veliziae sp. nov., is proposed in the present paper. It grows in the high-elevation montane grassla…
Two new species of Dendrophthora (Viscaceae) from the Venezuelan Andes
Two new species of Dendrophthora Eichler (Viscaceae) from northwestern Venezuela are described and illustrated. Both mistletoes, D. apiculata Canelón et al., sp. nov. and D. coron…
Solanum hydroides (Solanaceae): a prickly novelty from the land of the sugar loaves, central Brazilian Atlantic Forest
Solanum hydroides Gouvêa & Giacomin, sp. nov., is described from central Brazilian Atlantic Forest. It is known from only three localities in Espírito Santo and Minas Gerais state…
Two new species of the Andean genus Xenophyllum (Senecioneae, Compositae)
Two new species of Xenophyllum are described from the Andes, X. funkianum sp. nov. from Ecuador and X. lorochaqui sp. nov. from northwestern Argentina. Both species are compared w…
Two new species for Gochnatia Kunth (Asteraceae, Gochnatieae) and an extension of the tribal range into Ecuador
Two new species are added to the narrowly delimited genus Gochnatia. Of these, G. lojaensis sp. nov. represents a northern extension of the genus and tribe into Ecuador and G. rec…
Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of …
The systematics of Tryssophyton, herbs endemic to the Pakaraima Mountains of western Guyana, is reviewed and Tryssophyton quadrifolius K.Wurdack & Michelang., sp. nov. from the su…
Rediscovering two Isoetes species in the Brazilian Amazon and Cerrado after 167 years
Isoetes amazonica and I. gardneriana were the first two species of the genus to be collected from Brazil. Isoetes amazonica was gathered by Richard Spruce in the Amazon basin near…
Two new species of Chlorospatha section Orientales (Araceae) from western Andes in Colombia
Two new species of Chlorospatha (section Orientales) from the western slope of the Cordillera Occidental in the departments of Valle del Cauca and Choco (Colombia) are described h…
New combinations and synonyms in discoid caespitose Andean Senecio (Senecioneae, Compositae)
The names Werneria melanandra and W. pygmophylla are transferred to the genus Senecio. They belong to the group of the discoid caespitose Andean Senecio, specifically to the subgr…
An updated synopsis of Tanaecium (Bignonieae, Bignoniaceae)
Tanaecium Sw. emend L.G. Lohmann (Bignonieae, Bignoniaceae) is a genus of Neotropical lianas that is morphologically variable, especially in floral features. The genus is distribu…
Isoetes dubsii and Isoetes santacruzensis, two new species from lowland areas in South America
Isoetes dubsii sp. nov. and I. santacruzensis sp. nov., two new species from lowland areas in South America, are described, illustrated and compared to similar species. Isoetes du…
The rise of Cynometra (Leguminosae) and the fall of Maniltoa: a generic re-circumscription and the addition of 4 new sp…
Cynometra L. is a genus of ca. 85 species of shrubs to large trees. It is amongst the largest genera in the legume subfamily Detarioideae and one of the few with a pantropical dis…
Three new species of Lachemilla (Rosaceae) from South America
Three new species of Lachemilla (Rosaceae), two from Colombia and one from Peru, are described and illustrated. Lachemilla rothmaleriana is characterized by its stout stems, seric…
Twelve new and exciting Annonaceae from the Neotropics
As a result of concerted efforts of the community of Annonaceae taxonomists, increasingly detailed knowledge of the diversity of the Neotropical genera has been documented. With t…
A new species of dragon’s blood Croton (Euphorbiaceae) from Serra dos Órgãos (Rio de Janeiro, Brazil)
Croton rizzinii Farias & Riina, sp. nov. is a new species from Serra dos Órgãos National Park in the Atlantic Rain Forest domain (Rio de Janeiro state, Brazil). It is known from t…
Insights on the systematics and morphology of Humiriaceae (Malpighiales): androecial and extrafloral nectary variation,…
Humiriaceae have had little recent comparative morphological study except for their distinctive fruits. We surveyed the diversity of stamen structures in the family with…
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