André dos Santos Bragança Gil

Museu Paraense Emilio Goeldi - MPEG | MPEG · Coordenação de Botânica (CBO)

A Floresta Nacional do Tapajós (Flona Tapajós) é uma unidade de conservação (UC) de uso sustentável criada através do Decreto n° 73.684, de 19 de fevereiro de 1974. Delimitada a oeste pelo rio Tapajós e a leste pela rodovia BR-163, ao longo de sua história sua área original foi modificada diversas vezes, possuindo atualmente 527.319 hectares locali...

This study focuses on the Cyperaceae occurring in the Serra dos Martírios-Andorinhas (Serra dos Martírios- Andorinhas State Park, and São Geraldo do Araguaia Environmental Protection Area), in the São Geraldo do Araguaia municipality, state of Pará, Brazil. The Serra is in the “Deforestation Arc”, an environmentally vulnerable area with the highest...

Este trabalho apresenta um tratamento taxonômico das espécies de Cyperus sensu lato nas restingas do estado do Pará, Brasil. Foram examinados os acervos dos herbários MG, IAN e HBRA, realizadas coletas entre maio e junho de 2017, e determinadas 16 espécies de Cyperus s.l. É apresentada uma chave de identificação taxonômica, descrições, distribuição...

Triumfetta decaglandulata is described and illustrated as a new species from Brazil. This species is mainly featured as having ten glands on the androgynophore, which is a unique trait among species belonging to genus Triumfetta, as well as lack of membranaceous urceolus and petals. Triumfetta decaglandulata was found in the transition zone between...

The taxonomic knowledge for genus Justicia in the Amazonian state of Pará, Brazil, is updated. The study was based on material from important national and international herbaria, as well as specimens collected in different vegetation types within the state, some of them kept under cultivation by the first author. Twenty five species of Justicia wer...

The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiver-sity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxo-nomic impediment to biodiversity research and conservation planning. The taxonomic impedi...

A new species of Bulbostylis (Cyperaceae), only known from the Brazilian Amazonian coast, is here described and illustrated. Bulbostylis litoreamazonicola was found growing over dunes, in seasonally flooded restinga vegetation, and in humid fields near the mangroves from the State of Pará, Northern Brazil. This is the fifth Brazilian-native species...

The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiver-sity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxo-nomic impediment to biodiversity research and conservation planning. The taxonomic impedi...

This treatment includes the following taxa: Acanthaceae, Anisacanthus, Aphelandra, Asystasia, Avicennia, Brillantaisia, Chamaeranthemum, Clistax, Dicliptera, Dyschoriste, Elytraria, Encephalosphaera, Eranthemum, Fittonia, Graptophyllum, Harpochilus, Hemigraphis, Herpetacanthus, Hygrophila, Hypoestes, Justicia, Kalbreyeriella, Lepidagathis, Megaskep...

The present study analyzes the diversity of Scleria in the state of Pará and presents taxonomic treatments for all recorded species. The analysis was based on extensive herbarium studies (CEN, HBRA, HCJS, HSTM, IAN, IBGE, INPA, MFS, MG, RB, and UB) and field expeditions to several municipalities of the state of Pará. Specimens were identified using...

O presente trabalho teve como objetivo descrever as dificuldades encontradas pelos discentes no processo ensino-aprendizagem, dos conteúdos de Botânica em cursos de licenciatura em Ciências Biológicas e Naturais ofertados por Instituições de Ensino Superior (IES) públicas do estado do Amapá. Os dados foram coletados a partir da utilização de questi...

Cyperaceae in the campos de natureza of Cametá, Pará, Amazon, Brazil. This study presents a taxonomic treatment of genera and species of Cyperaceae Juss. in the campos de natureza of Cameta, Pará, Amazon, Brazil. After intense field expeditions and studies of herbarium collections, 11 genera and 51 species of Cyperaceae were identified for the area...

The canga of the Serra dos Carajás, in Eastern Amazon, is home to a unique open plant community, harbouring several endemic and rare species. Although a complete flora survey has been recently published, scarce to no genetic information is available for most plant species of the ironstone outcrops of the Serra dos Carajás. In this scenario, DNA bar...

As a result of taxonomic studies on the genus Neomarica Sprague (Trimezieae, Iridoideae, Iridaceae), we noted that some names remain untypified, or were incorrectly typified. Thus, we here designate lectotypes for N. candida (Hassl.) Sprague, N. heloisamariae Occhioni, and N. silvestris (Vell.) Chukr, neotypes for N. itatiaica (Ravenna) A. Gil, N....

We provide typifications and taxonomic notes for Neomarica humilis and some related species, to retain the taxonomic stability in Neomarica (Trimezieae, Iridaceae). We recognize Cypella humilis, the basionym of N. humilis, as a replacement name for the illegitimate Marica humilis, and N. vittata as a superfluous illegitimate name. We discuss the id...

The urge to organise the world around us is an essential part of human nature. Naming and categorising enable us to store and access information ef ciently. The need to name and categorise extends to the natural world and, in particular, to living organisms. The science underpinning this area of knowledge is called Taxonomy, and is as old as humani...

The Amazon possesses the largest fluvial system on the planet, harboring a diverse biota. Still, many species remain undescribed, because of the Amazon’s immense scale and complexity, and because many habitats are now increasingly under pressure from anthropogenic activities. Macrophytes are important to physical and biological processes in aquatic...

This study aims to contribute to the knowledge on the taxonomy of Scleria in sandy coastal plains (restinga) in Pará state, Brazil. Material deposited in the herbaria of Museu Paraense Emílio Goeldi (MG), Embrapa Amazônia Oriental (IAN), and Instituto de Estudos Costeiros da Universidade Federal do Pará (HBRA) were analyzed and species were identif...

Checklist of vascular plants of the Pico da Neblina National Park, Brazil

O presente estudo apresenta o tratamento taxonômico das espécies da família Heliconiaceae na região metropolitana de Belém (RMB), no estado do Pará, Brasil. No Brasil, são registradas 25 espécies de Heliconiaceae, sendo 23 encontradas na Amazônia e oito no estado do Pará. A RMB é composta por sete municípios: Belém, Ananindeua, Benevides, Castanhal...

Colli-Silva M, Medeiros H, Obermüller FA, Antar G, Amorim AM, Perdiz R, Lima HC, Gil ASB, Secco R, Lima DF, Almeida T, Delprete PG, Pederneiras L, Moraes PRL, Alves-Araújo AG, Koch I, Lohmann LG, Mello-Silva R, Viana PL, Goldenberg R, Daly D, Forzza RC. 2020. Lista de espécies de plantas vasculares da Estação Ecológica de Maracá. In: Catálogo de Pl...

Este artigo apresenta um tratamento taxonômico das espécies de Cyperaceae aquáticas e palustres ocorrentes na Estação Científica Ferreira Penna (ECFPn), inserida na Floresta Nacional (FLONA) de Caxiuanã, Pará, Amazônia, Brasil. Foram analisados os acervos dos herbários MG, HBRA e IAN, além dos herbários INPA e RB (online), e espécimes procedentes d...

Rhynchospora unguinux is described as a new species of Cyperaceae from the Serra dos Carajás (Pará, Brazil). Morphological description, taxonomic comments, distribution, habitat data, a preliminary conservation status, and illustrations are provided. Rhynchospora unguinux is characterised by the caespitose habit, ciliate involucral bracts, vinaceou...

Three new species of Justicia (Acanthaceae), Justicia birae, Justicia distichophylla, and Justicia mcdadeana, discovered during the preparation of a taxonomic treatment of Acanthaceae for the "Flora of the cangas of the Serra dos Carajás, Pará, Brazil" are described. Their distribution, habitat data, conservation status, taxonomic comments, and ill...

Rhynchospora seccoi, a new species of Rhynchospora sect. Tenues (Cyperaceae) is herein described and illustrated. This new species from Serra dos Carajás (Pará State, Brazil) is morphologically similar to R. tenuis and R. riparia, but differs by being annual and having often cauline leaves, a synflorescence comprising 1 terminal and 2–3 axillary pa...

As the result of a taxonomic project on Neomarica, we describe and illustrate a new species, Neomarica kollmannii, and propose ten new synonyms for six species of the genus: N. altivallis, N. glauca, N. caerulea, N. longifolia, N. imbricata and N. sabinei. We also designate lectotypes for four accepted species and five new synonyms, and neotypes fo...

A new species, Justicia carajensis, is described from the Serra dos Carajás as part of the ongoing taxonomic study of Justicia from the state of Pará in northern Brazil. Morphologically, it belongs to Justicia sect. Chaetothylax, and differs from other species by a combination of characters of calyx lobe length and indumentum, corolla tube shape, a...

The Global Strategy for Plant Conservation (GSPC) was established by the Conference of Parties in 2002 to decrease the loss of plant diversity, reduce poverty and contribute to sustainable development. To achieve this overarching goal, the GSPC has established a series of targets, one of which is to ensure that plant diversity is well understood, s...

A new species of Triumfetta from the Brazilian Atlantic Forest is described and illustrated by line drawings and scanning electron micrographs, along with notes on taxonomy, morphology, geographic distribution, and conservation status. Triumfetta multiglandulosa (Malvaceae, Grewioideae) grows in disturbed areas on sandy soils in the state of Goiás...

This work reports eight Eleocharis species for the restinga of Pará state, Brazil: E. bahiensis, E. endounifascis, E. geniculata, E. interstincta, E. minima, E. mutata, E. sellowiana, and E. urceolata. Two species are new records for the state: E. bahiensis, and E. urceolata. An identification key, morphological descriptions, taxonomic comments, an...

Resumo Considerando as semelhanças morfológicas interespecíficas em Geissospermum e a dificuldade de coletar e consultar espécimes férteis, este trabalho visa detectar potenciais caracteres diagnósticos para o grupo através da análise de órgãos vegetativos. Para tal, amostras caulinares e foliares de G. argenteum, G. laeve, G. reticulatum, G. seric...

Trimezieae is a Neotropical tribe of Iridaceae. It is widely distributed in Central and South America with species diversity centered on Brazil. Previous studies have consistently found that although the tribe itself is monophyletic, as currently recognized three of the four genera within it are not. Using an enlarged sampling of taxa, molecular ma...

Trimezieae is a Neotropical tribe of Iridaceae. It is widely distributed in Central and South America with species diversity centered on Brazil. Previous studies have consistently found that although the tribe itself is monophyletic, as currently recognized three of the four genera within it are not. Using an enlarged sampling of taxa, molecular ma...

The family Cannabaceae is represented in the canga of Serra dos Carajás by one species, Trema micrantha. The species is common in the forests of the region and was recorded in canga and in transitional areas with associated forest patches. This study brings morphological description, illustration, geographical distribution and taxonomic comments fo...

Ruellia anamariae, a new species of Acanthaceae is herein described and illustrated from the municipalities of Parauapebas and São Geraldo do Araguaia, Pará State, Brazil. The new species is recognized by its habit, a shrub up to 5 meters high, by its terminal thyrsus inflorescence, by its greenish-yellow corolla with the expanded portion of the tu...

This study aimed to contribute to our knowledge of the taxonomy of Rhynchospora species found on the sandy coastal plains of Pará state, Brazil. We analyzed collections from the herbaria MG, IAN and HBRA, as well as INPA, HURB, NY and UEC online. The species were identified based on specialized literature and by consulting the opera principia and t...

Two new species of Neomarica (Trimezieae, Iridoideae, Iridaceae) from the Brazilian Atlantic Forest, Southeast Brazil, are described and illustrated: Neomarica mauroi, endemic to the municipality of Mangaratiba, Rio de Janeiro State; and Neomarica sancti-vicentei, endemic to the municipality of São Vicente, São Paulo State.

Bulbostylis cangae is a new species of Cyperaceae, thus far only known for the cangas of the Serra dos Carajás (Pará State, Brazil), herein described and illustrated. We provide a detailed description, taxonomic comments, distribution data, habitat, and conservation status of the species. Bulbostylis cangae is characterized mainly by presenting a t...

Neomarica brachypus (Baker) Sprague has never been typified, even though the species has been treated in several different taxonomic studies. Therefore, here we designate a lectotype for N. brachypus, and present a historical summary of the taxonomy of this neglected species.

Resumo Foram encontradas 14 espécies pertencentes a três gêneros de Acanthaceae nas formações de canga da Serra dos Carajás, Pará, Brasil: Justicia apresenta maior diversidade, com nove espécies, sendo que cinco são endêmicas para a Serra de Carajás, seguido de Ruellia, com quatro, sendo uma endêmica do Pará, e Mendoncia, com somente uma espécie. S...

Resumo Foram encontradas quatro espécies de Meliaceae nas cangas da Serra dos Carajás, Pará, Brasil: Guarea macrophylla, G. pubescens, G. silvatica e Trichilia micrantha. São apresentadas descrições morfológicas, ilustrações, comentários taxonômicos, distribuição geográfica e habitat de cada espécie.

Resumo Este estudo engloba as espécies de Anacardiaceae registradas para as cangas da Serra dos Carajás (Pará, Brasil), apresentando detalhadas descrições, comentários e ilustrações das espécies. Foram encontradas três espécies: Anacardium occidentale e Tapirira guianensis, ambas Neotropicais, e Thyrsodium spruceanum, restrita à América do Sul.

Resumo Foi encontrada uma única espécie de Trigoniaceae nas cangas da Serra dos Carajás, Pará, Brasil: Trigonia nivea. São fornecidas descrição morfológica, prancha ilustrativa, comentários taxonômicos, distribuição geográfica e habitat da espécie.

Resumo Foram encontradas duas espécies de Bixaceae na Serra dos Carajás, Pará, Brasil: Bixa orellana e Cochlospermum orinocense. São apresentadas descrições morfológicas, ilustrações, comentários taxonômicos, distribuição geográfica e habitat de cada espécie.

Back in 1960 researchers from the Museu Paraense Emílio Goeldi (MPEG) began to study the Serra dos Carajás, resulting in an important series of collections, giving interesting insights in the local flora. During the last decades, intensification of expeditions to the FLONA Carajás was driven by the discovery of a high number of endemic species, cou...

Four species of Alismataceae were found in the Serra dos Carajás, Pará state, Brazil: Limnocharis flava, Echinodorus grisebachii, Helanthium tenellum and Sagittaria rhombifolia, the last two, found in the canga formations. Descriptions, comments and illustrations of the species recorded in the cangas are presented.

Two species of Hydrocharitaceae were found in the canga formations of the Serra dos Carajás, Pará state, Brazil: Ottelia cf. brasiliensis, the first record of the genus in the state of Pará, and Apalanthe granatensis. Detailed descriptions, comments, and illustrations of the species are presented.

We found 45 species of the Cyperaceae, belonging to 12 genera: Rhynchospora (12 species), Cyperus (9), Eleocharis (7), Scleria (4), Bulbostylis (4), Fimbristylis (2), Kyllinga (2), Becquerelia (1), Hypolytrum (1), Lagenocarpus (1), Lipocarpha (1) and Pycreus (1). Eleocharis ayacuchensis is being recorded for the first time in Brazil. Bulbostylis la...

Six species belonging to four genera of Cucurbitaceae were found in the canga formations of the Serra dos Carajás (Pará state, Brazil): Cayaponia tayuya, Gurania bignoniacea, G. sinuata, G. subumbellata, Helmontia cardiophylla e Melothria pendula. Detailed descriptions, comments, and illustrations of the species are presented.

This study presents a morphological taxonomic description, detailed illustrations and diagnostics comments of the species of Cabombaceae registered for the cangas of Serra of the Carajás, Pará state, Brazil. The genus Cabomba with two species are recorded: C. furcata e C. haynesii, widely distributed in North, Central and South America.

Only one species of Caryocaraceae was found in the canga formations of the Serra dos Carajás, Pará state, Brazil: Caryocar villosum. A morphological description, illustration, geographical distribution and habitat of this species are presented.

Two species of Iridaceae belonging to a single genus of the Tigridieae were recorded in the Serra dos Carajás, Pará, Brazil: Cipura paludosa and Cipura xanthomelas. Only the second species was recorded from the areas of cangas. This taxonomic study presents a morphological description, detailed illustrations, and diagnostic comments for C. xanthome...

Rapateaceae comprises approximately 19 genera and 131 species distributed in the Neotropics, with the exception of Maschalocephalus, which is endemic to West Africa. In Brazil, there are nine genera and 38 species. The present paper is based on a taxonomic study of the species of Rapateaceae that occur in the state of Pará. Botanical specimens from...

Based on field studies, herbarium specimens and cultivated plants, two new species of Neomarica, collected in the states of Bahia, Espírito Santo, Rio de Janeiro and Minas Gerais, are described. Neomarica castaneomaculata differs from all other known species of the genus by the presence of a conspicuous triangular chestnut colored spot at the apex...

Eleocharis pedrovianae is a new species of Cyperaceae from the Serra dos Carajás (Pará State, Brazil), herein described and illustrated. This species lives as a submerged herb in wetlands, marshes and margins of temporary lakes and lagoons with ferric soil (canga). It is morphologically similar to Eleocharis angustispicula, differing by its stoloni...

A new species of Neomarica from the Brazilian Atlantic Forest is described and illustrated. Neomarica sergipensis A. Gil & M.C.E. Amaral sp. nov. (Trimezieae, Iridoideae, Iridaceae) grows in restinga forests (forests on the coastal plains dominated by sandy soils) in the state of Sergipe, northeastern Brazil. The new species resembles Neomarica nor...

The Guayana Shield is one of the oldest geological formations in South America, ranging from southern Colombia, Venezuela, and the Guianas to the extreme north of the Brazilian states of Amazonas and Roraima. Because of its ancient origin and isolation from other mountain ranges in South America, it harbors a rich flora with high levels of endemism...

An updated inventory of Brazilian seed plants is presented and offers important insights into the country’s biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, sh...

Resumo O comportamento meiótico de Sisyrinchium commutatum (Iridaceae) foi avaliado e associado com a qualidade polínica observada em uma população do sudeste do Brasil. Além disso, pela primeira vez, descreve-se o nú-mero cromossômico desta espécie (2n = 36), contribuindo assim para a sistemática do grupo. Alguns aspectos da biologia floral são re...

RESUMO O levantamento fitossociológico foi realizado em um fragmento de aproximadamente 2,3 ha 1 de formação ciliar no município de Capão Bonito, SP. A área localiza-se na bacia hidrográfica do Alto do Paranapanema, com o clima Cfa subtropical úmido. Adotamos o método de ponto-quadrante, sendo todos os indivíduos arbóreos com DAP ≥ 2,23 cm amostrad...

Eleocharis pseudobulbosa, a new species of Cyperaceae from Southern Brazil (Capão Bonito, São Paulo), is here described based on external morphological studies. This species is characterized by the presence of conspicuous stolons with straw-colored scales, forming a bulb-like structure in the growing points of the new culms; circular to oval culms...

Neomarica eburnea and N. floscella, two new species of Iridaceae (Trimezieae) from Bahia state (Northeastern Brazil) are here described. Illustrations, diagnostic comparisons with morphologically similar species and an identification key for the species of the genus occurring in Bahia state are presented.