Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 1401 to 1450 of 1618 works
Morphological and anatomical evidence support a new wild cassava: Manihot fallax (Crotonoideae, Euphorbiaceae), from Ma…
During the preparation of the taxonomic treatment of Manihot in the Midwest Region of Brazil, a new species was found. Manihot fallax M.J. Silva & L.S. Inocencio is described, ill…
A new tiny-leaved species of Raveniopsis (Rutaceae) from the Pakaraima Mountains of Guyana
Raveniopsis microphyllus K.Wurdack, sp. nov., a new species known only from a single peak in the Pakaraima Mtns. of Guyana, is described and illustrated. This white-flowered shrub…
Novel fern- and centipede-like Selaginella (Selaginellaceae) species and a new combination from South America
Two new Selaginella species (i.e. S. altheae Valdespino and S. squamulosa Valdespino) and a novel combination [i.e. S. philipsonii (Jermy & Rankin) Valdespino] from South America …
A new species of Raputia (Rutaceae) from the Selva Central of Peru
Raputia codo-pozuzoensis Rob. Fernandez & Arteaga, sp. nov. (Galipeinae, Rutaceae), a new species endemic to the Huanuco region, in the Selva Central of Peru, is described and ill…
New species of Ipomoea (Convolvulaceae) from South America
The importance of discovering, describing and cataloguing poorly known species in herbarium collections is discussed. It is a spur to efforts at rediscovery and consequent conserv…
A new disjunct Dendrothrix (Euphorbiaceae, tribe Hippomaneae): a Guiana Shield element in sub-Andean cordilleras of Ecu…
Dendrothrix condorensis K.Wurdack, sp. nov. from the sub-Andean cordilleras of Ecuador and Peru is described and illustrated. The new species is geographically widely separated fr…
Incadendron: a new genus of Euphorbiaceae tribe Hippomaneae from the sub-Andean cordilleras of Ecuador and Peru
Incadendron esseri K.Wurdack & Farfan, gen. & sp. nov., from the wet sub-Andean cordilleras of Ecuador (Cordillera del Cóndor) and Peru (Cusco, Oxapampa) is described and illustra…
A new combination and taxonomic notes in Pseudobombax Dugand (Malvaceae)
Taxonomic notes in the Neotropical genus Pseudobombax (Malvaceae) are presented. One new combination and two new heterotypic synonyms for taxa originally described from Brazil and…
A new species of Saracha (Solanaceae) from the Central Andes of Peru
Saracha andina Rob. Fernandez, I. Revilla & E. Pariente, sp. nov. (Solanaceae), a new species endemic to the central Andes of Peru, is described here. The new species differs from…
A revision of the Solanum elaeagnifolium clade (Elaeagnifolium clade; subgenus Leptostemonum, Solanaceae)
The Solanum elaeagnifolium clade (Elaeagnifolium clade) contains five species of small, often rhizomatous, shrubs from deserts and dry forests in North and South America. Members …
Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (C…
A new circumscription and a total of six microendemic species, four of them new to science, are herein presented for Siderasis, based on field and herbaria studies, and cultivated…
Two peculiar new species of Heteranthera Ruiz & Pavón (Pontederiaceae) from Brazil, with notes on inflorescence archite…
Two new and peculiar species of Heteranthera are herein described. Heteranthera catharinensis is unique in the genus due to its glomerulate, many-flowered inflorescences, in which…
Morphological characteristics and genetic evidence reveals a new species of Manihot (Euphorbiaceae, Crotonoideae) from …
During botanical expeditions between 2010 and 2015, as part of a taxonomic study of Manihot in the Midwest region of Brazil, approximately 500 specimens of the genus were collecte…
Studies on the moss flora of the Bío-Bío Region of Chile: Part 3
This is the final report on the moss flora of the Bío-Bío Region (Región VIII) in south-central Chile where collections were made in 2001–2003. Reported in this paper are one spec…
Espeletia praesidentis, a new species of Espeletiinae (Millerieae, Asteraceae) from northeastern Colombia
A new species of Espeletia from the Páramo de Presidente in northeastern Colombia is described. The species is named Espeletia praesidentis after the name of the páramo, and it is…
A remarkable new species of Brunfelsia (Solanaceae) from the eastern Andes of Central Peru
Brunfelsia cabiesesiana J. G. Graham, sp. nov. (Solanaceae), a new species from montane cloud forests of Ucayali and Pasco Departments, Peru, is described and illustrated. The new…
Two new non-spiny Solanum (Solanaceae) from the Gran Chaco Americano and a key for the herbaceous glandular-pubescent s…
The Gran Chaco Americano is a major savanna woodland system in South America that harbours great plant and animal diversity. Two new herbaceous species of the Morelloid clade of S…
Taxonomic revision of Neotropical Murdannia Royle (Commelinaceae)
This study provides a taxonomic revision for the Neotropical species of the genus Murdannia. Six species are recognized as native, including a new species and a new combination, w…
Anatomical and morphological spine variation in Gymnocalycium kieslingii subsp. castaneum (Cactaceae)
Although spine variation within cacti species or populations is assumed to be large, the minimum sample size of different spine anatomical and morphological traits required for sp…
An updated checklist and key to the open-panicled species of Poa L. (Poaceae) in Peru including three new species, Poa …
We provide an updated checklist and key to the 30 Poa species with open panicles from Peru which includes previously circumscribed Dissanthelium and Aphanelytrum species, new taxo…
The Andean Paepalanthus pilosus complex (Eriocaulaceae): a revision with three new taxa
A herbarium-based revision is provided for Paepalanthus pilosus and allies, five commonly confused species of cushion plants native to Andean paramo. These are placed in the recir…
A revision of Poa subsection Aphanelytrum (Poaceae, Pooideae, Poaeae, Poinae); and a new species, Poa auriculata
In this study the peculiar Andean grass genus Aphanelytrum, with two species, is reduced to Poa subsect. Aphanelytrumcomb. & stat. nov. A third species, Festuca reclinata, is assi…
A new species of Clinanthus from northern Peru (Asparagales, Amaryllidaceae, Amarylloideae, Clinantheae)
Clinanthus milagroanthus S. Leiva & Meerow, sp. nov. is described from the Department of La Libertad in Peru. The new species is most closely related to C. mirabilis (Ravenna) Mee…
Miconia papillosperma (Melastomataceae, Miconieae): a new species from Amazonas, Brazil
Miconia papillosperma, a new species of Melastomataceae shrubs from Northern Brazil is described and illustrated. This new species is characterized by elliptic lanceolate leaves w…
Two new combinations in Euploca Nutt. (Heliotropiaceae, Boraginales) and a conspectus of the species of the Guiana Shie…
Heliotropium foliatum and Tournefortia humilis are transferred to Euploca Nutt. respectively as Euploca foliata comb. n. and Euploca humilis comb. n. A collection from Guyana has …
Solanum lagoense (Solanaceae, Geminata clade), a new species from Lagoa Santa, Minas Gerais State, Brazil
A new species of Solanum (Solanaceae) from the Geminata clade is described for the Brazilian flora. S. lagoense Stehmann is only known from Lapinha, a rocky massif located in the …
Liparis aphylla (Malaxideae, Orchidaceae), a new leafless record from Peru
Liparis aphylla G.A.Romero & Garay was previously known only from two herbarium specimens collected in 1945 and 1977 in Ecuador and Colombia, respectively. This little-known speci…
Two new species of Siphocampylus (Campanulaceae, Lobelioideae) from the Central Andes
Two species of Siphocampylus (Campanulaceae: Lobelioideae) from the Central Andes of Peru and Bolivia are described, illustrated, and discussed with reference to related species. …
Floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park, Roraima, Brazil
We provide and discuss a floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park (VNP). The VNP is located in the northern Amazon b…
Novelties in Selaginella (Selaginellaceae – Lycopodiophyta), with emphasis on Brazilian species
In this paper, I describe five new species of Selaginella from Brazil (S. nanuzae, S. neospringiana, S. pellucidopunctata, S. stomatoloma, and S. trygonoides), compare them to mor…
The genus Fleischmannia in Argentina, Bolivia, Brazil and Paraguay (Eupatorieae, Asteraceae)
Species of the genus Fleischmannia from Argentina, Bolivia, Brazil and Paraguay are reviewed, and keys are provided that cover the species in each country. New taxa described are …
A new species of Symplocos (Symplocaceae) from southern Ecuador
A new species from Ecuador, Symplocos limonensis, is here described and illustrated. It resembles S. clethrifolia but differs by having larger leaves with evident (i.e., not conce…
Problematic specimens turn out to be two undescribed species of Bignonia (Bignoniaceae)
Bignonia comprises 29 species of lianas characterized by eight phloem wedges, leaves usually 2-foliolate, mostly simple tendrils and opaque seed wings. The analysis of herbarium s…
A revision of Spondias L. (Anacardiaceae) in the Neotropics
As part of an ongoing study of Anacardiaceae subfamily Spondioideae, the ten native and one introduced species of Spondias in the Neotropics are revised. The genus is circumscribe…
Seven new species of Selaginella subg. Stachygynandrum (Selaginellaceae) from Brazil and new synonyms for the genus
We describe seven new species of Selaginella subg. Stachygynandrum (S. alstonii, S. blepharodella, S. crinita, S. mucronata, S. mucugensis, S. saltuicola, and S. sematophylla) fro…
New blueberry and mortiño relatives (Ericaceae) from northwestern Colombia
The inventory of the vascular plants of one of the richest and least studied floras, the Andean and Chocó regions of northwestern Colombia, targets Las Orquídeas National Park. As…
A refined concept of the Critoniopsis bogotana species group in Colombia with two new species (Vernonieae, Asteraceae)
Critoniopsis bogotana is more precisely delimited, and two related Colombian species are described as new. The form of trichomes on the abaxial surfaces of the leaves is found to …
Paepalanthus serpens, a new microendemic species of Eriocaulaceae from the Espinhaço Range, Minas Gerais, Brazil
We describe and illustrate Paepalanthus serpens, a microendemic species of Eriocaulaceae from the Espinhaço Range. The species is known from a single population growing in rocky a…
Two new species of endemic Ecuadorean Amaryllidaceae (Asparagales, Amaryllidaceae, Amarylloideae, Eucharideae)
New species of the genera Stenomesson and Eucharis (Amaryllidaceae) are described from Ecuador. Stenomesson ecuadorense is the second species of the genus reported from that count…
Two new non-spiny Solanum species from the Bolivian Andes (Morelloid Clade)
Two new Bolivian species are described from the Morelloid clade of Solanum (section Solanum in the traditional sense). Solanum alliariifolium M.Nee & Särkinen, sp. nov. is found i…
Plant endemism in the Sierras of Córdoba and San Luis (Argentina): understanding links between phylogeny and regional b…
We compiled a checklist with all known endemic plants occurring in the Sierras of Córdoba and San Luis, an isolated mountainous range located in central Argentina. In order to obt…
New species, additions and a key to the Brazilian species of the Geminata clade of Solanum L. (Solanaceae) in Brazil
Two additions and four new species are described from Brazil for the large Geminata clade (Solanum: Solanaceae) bringing the total diversity in the group to 149 species, with 44 o…
Changes in the circumscription of Deprea (Physalideae, Solanaceae): thirty two new combinations
According to the latest phylogenetic and cytogenetic results, Larnax and Deprea should be merged in order to form a natural group. Consequently, we propose 32 combinations of Larn…
Taxonomic updates in Dolichandra Cham. (Bignonieae, Bignoniaceae)
Dolichandra is a genus of lianas found in dry and wet Neotropical forests. The genus currently includes eight species and is well characterized by molecular and morphological syna…
Four new non-spiny Solanum (Solanaceae) species from South America
Four new species of “non-spiny” Solanum from South America are described. Solanum longifilamentum Särkinen & P.Gonzáles, sp. nov. (Morelloid clade) is widespread from Ecuador to B…
Three new species of Begonia (Begoniaceae) from Bahia, Brazil
The taxonomic treatment of Begoniaceae for the state of Bahia, Brazil, led to the recognition of three new species of Begonia with narrow distributions, which are described and il…
Two new species of Tynanthus Miers (Bignonieae, Bignoniaceae) from Brazil
Tynanthus is a genus of lianas that is broadly distributed through the Neotropics. Two new species of Tynanthus from Brazil are here described and illustrated: T. densiflorus, fro…
Four new species of Andean Pilea (Urticaceae), with additional notes on the genus in Venezuela
Four new species of Pilea (Urticaceae) from the Andes of Venezuela are described and illustrated: Pilea matthewii sp. nov., P. miguelii sp. nov., P. nicholasii sp. nov., and P. ni…
Three new species of Licania (Chrysobalanaceae) from Peru
Recent collections received for identification contain three conspicuous new species for the mid altitude forests of Amazonian Peru. Licania palcazuensis, L. apiknae and L. montea…
A new species of spiny Solanum (Solanaceae) from Peru
A new species of Solanum is described from Peru. Solanum junctum S. Stern & M. Nee, sp nov. is a member of the Torva clade of the spiny solanums (Leptostemonum clade). The narrow …