Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 1451 to 1500 of 1618 works
Three new caespitose species of Senecio (Asteraceae, Senecioneae) from South Peru
Three new species of the genus Senecio (Asteraceae, Senecioneae) belonging to S. ser. Suffruticosi subser. Caespitosi were discovered in the tributaries of the upper Tambo River, …
A new species of Cissampelos (Menispermaceae) from Bolivia and Paraguay
The new species Cissampelos arenicola M. Nee & R. Ortiz, from the Bolivian and Paraguayan Chaco is described, its affinities are discussed, and its preliminary conservation status…
Three new species of Solanum (Brevantherum Clade) endemic to the Brazilian Atlantic Forest
Three new Brazilian species of the Brevantherum clade of Solanum (Solanaceae) are described, all closely related to the poorly known Solanum inornatum Witasek. Solanum bradei Giac…
Dorstenia triseriata (Moraceae) a new and endangered species from Brazil
A new species of Moraceae is described, illustrated and compared to its close morphological relatives. Dorstenia triseriata presents similarities with Dorstenia turnerifolia but d…
Synopsis of Martinella Baill. (Bignonieae, Bignoniaceae), with the description of a new species from the Atlantic Fores…
Martinella has traditionally included two species, Martinella iquitoensis and Martinella obovata, that are characterized by the presence of interpetiolar ridges surrounding the st…
Piptochaetium fuscum (Nees ex Steud.) Barkworth, Ciald., & Gandhi, a new combination replacing Piptochaetium setosum (T…
A new name, Piptochaetium fuscum, is provided for a taxon hitherto known as Piptochaetium setosum (Trin.) Arechav. Morphological, anatomical, and molecular studies that argue agai…
Piper kelleyi, a hotspot of ecological interactions and a new species from Ecuador and Peru
We describe Piper kelleyi sp. nov., a new species from the eastern Andes of Ecuador and Peru, named in honor of Dr. Walter Almond Kelley. Piper kelleyi is a member of the Macrosta…
Synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae), including a new species from northern Peru
A synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae) is presented, including the description of a new species, Plazia robinsonii M.O.Dillon & Sagást., from a locality c. 20 …
A new species of Espeletiopsis (Millerieae, Asteraceae) from Colombia
A new species of Espeletiopsis was found in two small páramos of Norte de Santander, Colombia. The species is named Espeletiopsis diazii honoring the contributions of Santiago Día…
Distribution models and species discovery: the story of a new Solanum species from the Peruvian Andes
A new species of Solanum sect. Solanum from Peru is described here. Solanum pseudoamericanum Särkinen, Gonzáles & S.Knapp sp. nov. is a member of the Morelloid clade of Solanum, a…
Whatever happened to Bishopanthus (Compositae, Liabeae)?
The enigmatic monospecific Bishopanthus of the tribe Liabeae (Compostiae/Asteraceae) has never been fully understood. It has not been possible to examine it in detail since it was…
A new species of Coespeletia (Asteraceae, Millerieae) from Venezuela
A new species of Coespeletia from the páramos of Mérida (Venezuela) is described here. This species, named Coespeletia palustris, is found in a few marshy areas of the páramo. It …
A new species of Licania (Chrysobalanaceae) from Cordillera del Cóndor, Ecuador
A new mid altitude species of the predominantly lowland genus Licania, L. condoriensis from Ecuador is described and illustrated.
A revision of the Dulcamaroid Clade of Solanum L. (Solanaceae)
The Dulcamaroid clade of Solanum contains 45 species of mostly vining or weakly scandent species, including the common circumboreal weed Solanum dulcamara L. The group comprises m…
Reinterpretation of the nomenclatural type of Pseudobombax heteromorphum (Malvaceae, Bombacoideae) reveals an overlooke…
In the course of a taxonomic revision of Pseudobombax Dugand, one of us (JGCS) frequently has observed herbarium specimens of Bombacoideae that comprise a mixture of different Ang…
A synopsis of Harperocallis (Tofieldiaceae, Alismatales) with ten new combinations
Ten new combinations from Asagraea, Isidrogaliva, and Tofieldia are proposed in the previously monospecific genus Harperocallis (Tofieldiaceae, Alismatales). As circumscribed here…
Axonopus graniticola, a new species of A. ser. Suffulti (Poaceae, Panicoideae, Paspaleae) from Minas Gerais, Brazil
A new species of Axonopus ser. Suffulti from Minas Gerais, Brazil, is described and illustrated. Comparison with morphologically related species, as well as comments on the ecolog…
A revised circumscription for the Blakeeae (Melastomataceae) with associated nomenclatural adjustments
Systematic investigations and phylogenetic analyses of the Blakeeae (Melastomataceae) have indicated that Topobea should be synonymized under Blakea, and Huilaea under Chalybea. P…
Diatoms from Brazil: the taxa recorded by Christian Gottfried Ehrenberg
The flora of diatoms from Brazil has been studied by several authors from the beginning of the 19th up to now. Some of the old lists and descriptions are unknown or have been igno…
A new species of Solanum sect. Acanthophora (Solanaceae) from Argentina and Brazil
A new species of Solanum belonging to section Acanthophora (subgenus Leptostemonum) from Argentina and Brazil is described. Solanum neei Chiarini & L.A.Mentz, sp. nov. is found in…
A new combination in Lapanthus (Bromeliaceae)
A new combination, Lapanthus vidaliorum (O.B.C. Ribeiro & C.C. Paula) Louzada & Wand. is proposed for Orthophytum vidaliorum O. Ribeiro & C.C. Paula. In addition notes on taxonomy…
Two new species in the Matelea stenopetala complex (Apocynaceae, Asclepiadoideae) from the Guiana Shield and Amazonian …
Two new species in the Matelea stenopetala complex (Apocynaceae, Asclepiadoideae) are described from the Guiana Shield and Amazonian Brazil: Matelea brevistipitata Krings & Morill…
A nomenclator for the frailejones (Espeletiinae Cuatrec., Asteraceae)
The páramos and high Andean forests of the tropical Andes are largely dominated by frailejones (Espeletiinae Cuatrec., Asteraceae). These plants are ecologically and culturally es…
Cuatrecasanthus (Vernonieae, Compositae): A revision of a north-central Andean genus
Cuatrecasanthus is native to Ecuador and Peru and although several unusual characters define the genus, such as single flowered heads and corolla throat (limb) divided to the base…
A new species of Miconia (Melastomataceae, Miconieae) from the Ecuador-Peru border
Miconia machinazana C.Ulloa & D.A. Neill, sp. nov., a new species of Melastomataceae from the Ecuador-Peru border is described and illustrated. It is characterized by the narrow, …
Tetrameranthus (Annonaceae) revisited including a new species
The taxonomic revision of the infrequently collected genus Tetrameranthus by Westra (1985) is updated. A new species is described from French Guiana and Amapá, Brazil, increasing …
Description and molecular diagnosis of a new species of Brunfelsia (Solanaceae) from the Bolivian and Argentinean Andes
Brunfelsia plowmaniana N.Filipowicz & M.Nee sp. nov., a species from humid and cloud forests of the Bolivian and Argentinean Andes, is described and provided with a molecular diag…
Alatococcus, a new genus of Sapindaceae from Espirito Santo, Brazil
The new genus Alatococcus (Sapindaceae) is described from Espirito Santo, Brazil. Alatococcus seems to be closely related to Scyphonychium of northeastern Brazil, as they both sha…
Eight new species of Cestrum (Solanaceae) from Mesoamerica
As part of the preparation of a taxonomic revision of Cestrum (Solanaceae) for Flora Mesoamericana eight hitherto undescribed species from Mexico, Guatemala, Costa Rica and Panama…
A new species of Solanum named for Jeanne Baret, an overlooked contributor to the history of botany
We describe Solanum baretiae sp. nov., a new species of Solanum section Anarrhichomenum, named in honor of Jeanne Baret, who sailed as the assistant to botanist Philibert Commerso…
A new heterandrous species of Solanum section Gonatotrichum Bitter (Solanaceae) from Bahia, Brazil
A new species of Solanum from Brazil is described. Solanum evolvuloides Giacomin & Stehmann sp. nov. belongs to section Gonatotrichum, a small group assigned to the Brevantherum C…
Spigelia genuflexa (Loganiaceae), a new geocarpic species from northeastern Bahia, Brazil
A new species of Spigelia (Loganiaceae) from Bahia (Brazil) is described, being the first reported geocarpic species in the family. During fruit maturation, the more basal infruct…
Allophylastrum: a new genus of Sapindaceae from northern South America
The new genus Allophylastrum (Sapindaceae) is described from Roraima, Brazil and Guyana. Allophylastrum resembles the genus Allophylus in its vegetative morphology but differs by …
Lectotypifications, synonymy, and a new name in Capsicum (Solanoideae, Solanaceae)
Considerable confusion exists within Capsicum (Solanaceae) about the status and typification of several names, in part due to misidentification. In addition, some specimens that s…
Two new species of Dilkea subgenus Dilkea (Passifloraceae) from Loreto, Peru
Two new species of Dilkea subgenus Dilkea (Passifloraceae) are described from Loreto, Peru. Dilkea hebes Feuillet, sp. nov., has leaves with elliptic to oblanceolate blades tha…
Two new South American species of Solanum section Crinitum (Solanaceae)
Two new species of Solanum section Crinitum are described here. Solanum falciforme Farruggia, sp. nov., closely resembles S. crinitum and S. lycocarpum, but differs by the presenc…
Two new species of Solanum (Solanaceae) from the Amotape-Huancabamba Zone of southern Ecuador and northern Peru
Two new species of Solanum subgenus Leptostemonum from southern Ecuador and northern Peru are described here. Solanum rubicaule S.Stern, sp. nov., is a member of sect. Torva and i…
New species of Solanum (Solanaceae) from Peru and Ecuador
Three new species of “non-spiny" Solanum are described from Peru and Ecuador, and a revised description for Solanum verecundum M.Nee is presented. Solanum kulliwaita S.Knapp, sp. …
A revision of the spider genus Selenops (Arachnida, Araneae, Selenopidae) in North America, Central America and the Car…
The spider genus Selenops Latreille occurs in both the Old World and New World tropics and subtropics and contains nearly half of the species in the family Selenopidae Simon. In…
Paracrias pluteus (Hymenoptera, Eulophidae) in Brazil: new distribution and host records, and with a new host group for…
Bruchines damage agricultural crops and trees, reducing the quantity and quality of the seeds. The aim of this study is to record, for the first time, Paracrias pluteus as a paras…
Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda) in the Royal Belgian Institute of Sciences, Brusse…
The type status is described of 57 taxa from the superfamily Orthalicoidea in the collection of the Brussels museum. Two new species are described: Stenostylus perturbatus spec. n…
Calleida desenderi, new species from Ecuador (Coleoptera, Carabidae, Lebiinae)
Calleida desenderi Casale, sp. n., is described from Ecuador, Napo Province, surroundings of San Rafael. The new taxon is mostly characterized by the head and appendages rufous, t…
A remarkable new species of the sharpshooter genus Egidemia (Insecta, Hemiptera, Cicadellidae, Cicadellinae)
A new species of Egidemia China, 1927, E. impudica, is described and illustrated from the Department of Magdalena (Colombia). The male genitalia of the new species have a very pec…
Nomenclatorial changes and redescriptions of three of Navás’ Leucochrysa (Nodita) species (Neuroptera: Chrysopidae)
Three species that Navás described – Leucochrysa (Nodita) azevedoi Navás, 1913, Leucochrysa (Nodita) camposi (Navás, 1933) and Leucochrysa (Nodita) morenoi (Navás, 1934) – have re…
Mites of the genus Neharpyrhynchus Fain (Acariformes, Harpirhynchidae) from Neotropical birds
Three new species of parasitic mites of the genus Neharpyrhynchus Fain (Acariformes, Harpirhynchidae) are described from Neotropical birds, N. chlorospingus sp. n. from Chlorospin…
Revision of the South American window fly genus Heteromphrale Kröber, 1937 (Diptera, Scenopinidae)
The Neotropical window fly genus Heteromphrale Krober, 1937 is revised. Two previously described species (H. chilensis (Krober, 1937) and H. cyanops (Edwards, 1932)) are redescrib…
The first Strigocis Dury (Coleoptera, Ciidae) from the southern Neotropical region and a provisional key to world speci…
Strigocis vicosensis Lopes-Andrade sp. n. is described based on specimens from a single locality (type locality: Viçosa, state of Minas Gerais, southeastern Brazil), being the sou…
Twenty-four new species of Polycentropus (Trichoptera, Polycentropodidae) from Brazil
Twenty-four new species of the caddisfly genus Polycentropus (Insecta: Trichoptera: Polycentropodidae) occurring in Brazil are diagnosed, described, and the male genitalia of each…
A new species of Amblyodus Westwood, 1878 (Coleoptera, Melolonthidae, Dynastinae) from South America
A second species of Amblyodus Westwood, 1878, A. castroi sp. n., is described from the northern South America based on 12 specimens from Brazil and Peru (Amazonian subregion). The…
Systematics of the Neotropical caddisfly genus Notidobiella Schmid (Trichoptera, Sericostomatidae), with the descriptio…
Three new species of Notidobiella Schmid (Insecta: Trichoptera) are described from South America: Notidobiella amazoniana sp. n. (Brazil), N. brasiliana sp. n. (Brazil), and N. ec…