Tatiana Carrijo

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• Dr
• Professor at Federal University of Espírito Santo

The essential oil of Piper amalago L. is recognized for its bioactive compounds with phytotoxic potential against invasive plants. However, little is known about the role of seasonal variation in the action of these compounds. This study aimed to investigate the impact of dry and rainy seasons on the chemical composition, phytotoxic, and cytogenoto...

Questions Drought events are increasingly frequent, threatening the biodiversity of tropical forests. The understorey comprises a large fraction of the total plant species richness of these systems with the presence of highly diverse angiosperm families. Here, we quantified the effects of a drought on abundance and functional structures and on the...

Here we propose a lectotypification and a new name for the Brazilian Psychotria dusenii Standl. to be treated under Palicourea Aubl. The name Psychotria dusenii sensu Standley is illegitimate because it was previously assigned to an African Psychotria L. species described by K. Schumann. The new name proposed is Palicourea roseocalycina Torres-Leit...

Question Drought‐induced tree mortality has been documented in forests worldwide but the mechanisms related to drought recovery are still poorly understood. To better predict forest trajectories under future climate scenarios, it is essential to disentangle physiological mechanisms underlying plant mortality caused by El Niño droughts. Here, we ass...

The present study reports the discovery of a new endemic species of Palicourea Aubl. (Palicoureeae, Rubiaceae) from the state of Rio de Janeiro. Palicourea goytacaz sp. nov. differs from the other Palicourea species by its litter-trapper architecture, large leaves, and purple-blue fruits with persistent calyces.

Background The Parque Estadual do Forno Grande is a fully protected area in the southern Espírito Santo State, Brazil. It belongs to the Atlantic Forest domain, with predominantly dense, ombrophilous, seasonal semi-deciduous forests and herbaceous/shrubby vegetation on rock outcrops. The area is recognised as highly important for conservation, desi...

Environmental conditions shape fruit and seed traits, affecting seedling establishment. Studying these variations along environmental gradients is a way to predict plant adaptations to climate change. Here, we investigated how morphological and chemical traits of fruits and seeds change in Myrsine coriacea trees across different elevations in the B...

O Parque Estadual Mata das Flores (PEMF) é uma Unidade de Conservação de Proteção Integral situada no município de Castelo, ao sul do estado do Espírito Santo, entre as coordenadas 20°35'54"S e 41°10'53"W. Ele foi criado em outubro de 1992 pela Lei Estadual nº 4.617. O Parque ocupa uma área de aproximadamente 800 hectares com altitudes que variam e...

O Parque Nacional do Descobrimento (PND) é uma Unidade de Conservação de Proteção Integral localizada no município de Prado, extremo sul da Bahia. Foi criado por Decreto Presidencial em 20 de abril de 1999 e ampliado em 5 de junho de 2012. Abrange uma área de 22.607,74 hectares entre as coordenadas 16º55’ e 17º15’ de latitude Sul; e 39º25’ e 40º10’...

O Parque Nacional Histórico do Monte Pascoal (PNHMP) é uma Unidade de Conservação de Proteção Integral criada pelo Decreto nº 242/1961 e renomeado pelo Decreto nº 3.421/2000. Está localizado no extremo sul da Bahia, no município de Porto Seguro, com área de 22.240,67 hectares entre as coordenadas 16°45’N e 16°55’S, e 39°08’L e 39°30’O. O PNHMP poss...

Mesocapparis minutiflora, a new species for the Cerrado, is described and compared with related species. The taxon is described from the state of Tocantins and Piauí, with only five known collections. It is distinguished from other species mainly by the different shapes of leaf base, petiolar insertion, and the shorter size of petals, gynophore, an...

Plants exhibit phenotypic plasticity in response to environmental variations, which can lead to stable genetic and physiological adaptations if exposure to specific conditions is prolonged. Myrsine coriacea demonstrates this through its ability to thrive in diverse environments. The objective of the article is to investigate the adaptive responses...

A Área de Proteção Ambiental Mestre Álvaro (APAMA) foi criada pela Lei Estadual nº 3.075 de 09 de agosto de 1976, como Reserva Biológica e Parque Florestal, e, em 1991, teve sua categoria de manejo alterada para Área de Proteção Ambiental pela Lei Estadual nº 4.507/1991. É uma Unidade de Conservação da região metropolitana de Vitória, que se locali...

Leaf anatomical features are widely used to better understand angiosperm taxonomy. However, such information is scarce for the family Myrtaceae. Aiming to fill this knowledge gap, we studied anatomical and micromorphological leaf characters of ten species of Psidium: P. cattleyanum, P. cauliflorum, P. corynanthum, P. guajava, P. guineense, P. macah...

A Reserva Biológica do Tinguá é uma Unidade de Conservação de Proteção Integral localizada em seis municípios: Nova Iguaçu, Duque de Caxias, Petrópolis, Miguel Pereira, Queimados e Japeri. Encontra-se situada no limite entre a Serra do Mar e a Baixada Fluminense entre as coordenadas geográficas 22°22'20", 22°45'00" S; 43°05'40", 43°40'00" W. Está i...

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...

Question Individual plants of some highly diverse angiosperm families occur in aggregated spatial patterns in tropical plant communities, which have been defined as species swarms. Although this spatial aggregation seems paradoxical, because related species should segregate in space owing to expected ecological similarities, it has yet to be tested...

Joannesia princeps, popularmente conhecida como cutieira, é uma Euphorbiaceae endêmica do Brasil, cuja madeira é utilizada para diversos fins industriais. As sementes possuem aproximadamente 37% de óleo útil para fins industrias e medicinais, servem de alimento para cutias (Dasyprocta azarae), além de apresentarem destacada importância na sucessão...

O Parque Estadual do Forno Grande é uma Unidade de Conservação de Proteção Integral, situada no município de Castelo, ao sul do estado do Espírito Santo, entre as coordenadas 20°31'13.74"S e 41° 6'21.56"W. Criado em outubro de 1960 inicialmente como Reserva Florestal, passou a ser Parque Estadual pela Lei Estadual nº 7.528, em 1998. O Parque ocupa...

Campomanesia is a well-delimited Neotropical genus of Myrtaceae, but some of its species have a poorly understood circumscription. Pollen morphology can provide characters to clarify the relationships among such taxa. Here, we analyzed the pollen grains of 16 species of Campomanesia using light and scanning electron microscopy. Heat map and multiva...

Abstract We investigated whether essential oil and aqueous and ethanolic extracts from M. vittoriana leaves have phytotoxic effects on the germination and initial development, and cytogenotoxic effects on the cell cycle, of model plants. The essential oil and extracts of M. vittoriana were characterized and used as treatments in phytotoxicity and c...

Key Message Freziera atlantica is an endangered species. It was found that intrapopulation genetic diversity is high, possibly maintained by the seed bank, but human disturbances threaten the population. Abstract In the Anthropocene, one of the major concerns worldwide is related to landscape disturbances, causing changes in the planet’s climate a...

Climate change will affect the distribution of many tropical plant species. However, the understanding of how dioecious tropical species cope with different environmental conditions is still limited. To address this issue, we investigated how secondary trait attributes in populations of the dioecious tropical tree Myrsine coriacea change along an a...

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...

Capparaceae is a pantropical family of Angiosperm with about 40 to 45 genera and 700 to 900 species, which presents a wide morphological variation in flowers and fruits. There are 12 genera and 30 species of the family in Brazil, a half of it occurring in the Atlantic Forest. Here we study the species of Capparaceae occurring in Espírito Santo, wit...

The Atlantic Forest is one of the most threatened biomes in the world. Despite that, this biome still includes many areas that are poorly known floristically, including several protected areas, such as the "Floresta Nacional do Rio Preto" ("Flona do Rio Preto"), located in the Brazilian State of Espírito Santo. This study used a published vascular...

The Atlantic Forest is one of the most threatened biomes in the world. Despite that, this biome still includes many areas that are poorly known floristically, including several protected areas, such as the "Floresta Nacional do Rio Preto" ("Flona do Rio Preto"), located in the Brazilian State of Espírito Santo. This study used a published vascular...

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...

Neocalyptrocalyx (Capparaceae) is a Neotropical genus that comprises eleven species that occur in the lowlands of Brazil, Guyana, French Guyana, Suriname, Venezuela, and Ecuador. The study of collections deposited in herbaria added to field observations allowed the recognition of three species as new to science, and those are formally presented her...

Plant species that show gregarious spatial distribution and endemism to the Atlantic Forest, such as Dorstenia elata, are particularly sensitive to the effects of genetic diversity loss. In the present study, we aimed to quantify the genetic diversity in native populations of this species in an Atlantic Forest remnant. The sample included three agg...

We report here the rediscovery of Phyllanthus itatiaiensis Brade (Phyllanthaceae) in Rio de Janeiro after 50 years. We also report new occurrence records of this species in Minas Gerais state, southeastern Brazil. We provide a taxonomic diagnosis, in situ photographs, a distribution map, and a reassessment of its conservation status, which will imp...

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...

Droughts have increased in frequency, duration, and severity across most of the tropics but their effect on forest communities remain not fully understood. Here we assessed the effects of a severe El Niño-induced drought event on dominant and lowabundance understory plant species and the consequent impacts on ecosystemfunc- tions in the South Ameri...

The investigation of genetic diversity in natural populations of species that show potential for use in reforestation programs is a key step in making management decisions. However, reforestation programs with native species in Brazil are still rarely based on a genetic understanding of the seed matrices used for seedling production. This is also t...

Brazilian protected areas are essential for plant conservation in the Atlantic Forest domain, one of the 36 global biodiversity hotspots. A major challenge for improving conservation actions is to know the plant richness, protected by these areas. Online databases offer an accessible way to build plant species lists and to provide relevant informat...

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

The intensive application of agrochemicals in crops has negatively impacted the environment and other organisms. The use of naturally occurring compounds may be an alternative to mitigate these effects. Plants are secondary metabolite reservoirs and may present allelopathic activity, which is potentially interesting to be used in bioherbicide formu...

Brazil is one of the most biodiverse countries in the world, with about 37,000 species of land plants. Part of this biodiversity is within protected areas. The development of online databases in the last years greatly improved the available biodiversity data. However, the existing databases do not provide information about the protected areas in wh...

Myrsine, a genus in the family Primulaceae, includes closely related species whose taxonomic identification is difficult. Morphological analysis of pollen grains has provided key information for the classification of Primulaceae, helping clarify the taxonomy of several genera, subgenera, and species. However, a detailed study of pollen morphology i...

Campomanesia is a well-circumscribed genus within Myrtaceae, but the boundaries among some of its species remain poorly understood. Microsatellite amplification profiles have proven useful DNA fingerprinting for plant species identification, but have never been applied to the taxonomy of this genus. Here we studied 12 species of Campomanesia, inclu...

A new species, Psidium pulcherrimum, is described herein. It is known only from an arid ecotone region of Bahia, Brazil. Information on its conservation status, distribution, and phenology are provided.

Plant species of various families, such as those of Bromeliaceae, occur on inselbergs where they are subject to geographic isolation and environmental conditions that can lead to genetic erosion. This, in turn, can result in the loss of natural populations due to homozygosis, or changes in ploidy that may lead to reproductive isolation. The genetic...

The question of how closely related species coexist in the heavily shadowed understory of tropical forests is still not properly clarified. We studied the magnitude of trait variation in twelve morphological, nutritional, and physiological traits related to light response in 85 individuals belonging to nine co-occurring Rubiaceae species in the und...

Key message Polyploidy (diploid to octoploid) was evidenced from seven Psidium species, besides the outcomes of the whole-genome duplication about the nuclear DNA content, DNA sequence, and distribution. Abstract The previous studies have reported the occurrence of polyploid species in Psidium, all deriving from the basic chromosome number x = 11,...

With approximately 100 species, Psidium Linnaeus (1753: 470) is one of the largest genera of the family Myrtaceae. The genus has a Neotropical distribution (Landrum & Kawasaki 1997, WCSP 2018), with Brazil being regarded as its center of diversity and endemism in eastern South America with 60 documented species (Flora do Brasil 2020 under construct...

Psidium macahense, an endemic species of Myrtaceae from the Brazilian Atlantic Forest, has recently been treated as a synonym of Psidium brownianum. Using a combination of molecular and morphological analyses the specific status of P. macahense is herein reinstated. A lectotype is designated for Psidium macahense, and a detailed description of the...

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...

Psidium cattleyanum is a species of Myrtaceae native to the eastern coast of Brazil, widely naturalized in tropical and subtropical regions of the world due to its economic potential to be commercially exploited. Despite its importance, the name has not previously been typified. A lectotype is designated, and the correct spelling of the epithet is...

Abstract Floristic inventories carried out in the south of the Espírito Santo state in recent years have helped to fill gaps in plant collection, especially in difficult access areas such as the Caparaó region. These studies resulted in the discovery of seven species of Angiosperms previously unknown to the state, collected in the Caparaó and Valen...

A new endemic and critically endangered species of Rudgea (Rubiaceae) from Southeastern Brazil is described and illustrated. Rudgea minutifolia Bruniera & Torres-Leite is distinguished by its small leaves, a character found in only a handful of species in this genus. The indumentum of the branches, leaves and stipules, low number of secondary veins...

Psidium (Myrtaceae) in the state of Espírito Santo, Brazil

Studying species with different distributions and ecological requirements in the same taxonomic group allows an understanding of the specialization strategies across the environmental conditions of core vs. peripheral habitats. Here, we studied patterns of niche and geographical partitioning among Myrsine spp. and mapped areas of high alpha and bet...

Resumo Este estudo apresenta o inventário florístico atualizado para Rubiaceae no Parque Estadual de Mata das Flores (PEMF), município de Castelo, no Espírito Santo. O remanescente florestal estudado está localizado em uma das áreas prioritárias para conservação da Floresta Atlântica ao sul do estado. A listagem elaborada embasou a análise da simil...

ABSTRACT Although a species’ sexual system may influence the genetic diversity of its populations in their natural environment, there have been few such studies involving indigenous species of the Atlantic Forest. Here we study Myrsine coriacea, a dioecious tree widely used in reforestation programs despite a lack of information about its natural i...

Pollen grains of species of the subgenera of Cybianthus s.l. were analyzed in order to determine if pollen morphology is consistent with the currently accepted infrageneric classification, and if it can provide characters useful for distinguishing species or groups of species. Acetolyzed pollen grains were analyzed, measured, described and photomic...

ABSTRACT DNA fingerprinting based on SSR amplification profiles was applied to native species of Piper from the Atlantic Forest to compare the utility of this type of molecular marker with the morphological characters traditionally applied in Piper taxonomy and identification. Fifty-one SSR markers developed for four species of Piper native to Asia...

Resumo Este estudo apresenta a flora de Primulaceae no estado do Espírito Santo. O estudo foi baseado em identificações de materiais de herbários e esforço de campo em áreas pobremente coletadas. Primulaceae no Espírito Santo está representada por espécies pertencentes à Ardisia (1 sp.), Clavija (2 spp.), Cybianthus (10 spp.), Jacquinia (1 sp.), Ly...

Resumo O estado do Espírito Santo apresenta grande variedade de ecossistemas num território relativamente pequeno. A exuberância de suas florestas vem despertando o interesse de muitos naturalistas e viajantes desde o século XIX, os quais deixaram registros valiosos dos primeiros anos da ocupação das "Areas Prohibidas" a leste de Minas Gerais. O cu...

This study presents a floristic-taxonomic treatment of Psidium in the state of Espírito Santo, and is a result of fieldwork combined with analyses of herbarium specimens. Fourteen species of the genus were recognized in Espírito Santo state (P. brownianum, P. cattleianum, P. cauliflorum, P. guajava, P. guineense, P. longipetiolatum, P. myrtoides, P...

Resumo Listagens florísticas realizadas para Angiospermas ou apenas para a família Myrtaceae no Espírito Santo apresentaram resultados divergentes com relação à riqueza de espécies de Campomanesia neste estado. O presente estudo visa elucidar esta questão a partir do desenvolvimento de uma abordagem florístico-taxonômica para o gênero no Espírito S...

foram revisitadas após pouco mais de 20 anos da publicação do estudo de Myrtaceae para este trecho de Floresta Atlântica, a qual atualmente se constitui em uma Área de Proteção Ambiental. A identificação das espécies foi realizada com base em análise de coleções depositadas em herbário e observação dos indivíduos a campo. Os resultados incluem o tr...

Myrsine coriacea is a Primulaceae species considered ecologically important for colonizing degraded areas and providing fruits for birds. This species has been gaining attention at present due to possessing pharmacological compounds explored in cancer treatment. This study aimed to establish the first procedure for in vitro propagation of M. coriac...

Lepidaploa rufogrisea is a promising candidate in the search of natural herbicides, with compounds (sesquiterpene lactones-glaucolide B) which have been reported to present with phytotoxic potential against weeds. Thus, this work aimed to accomplish the phytochemical investigation of L. rufogrisea as well as the evaluation of its biological effects...

The interplay between plant-plant interactions and light heterogeneity in the understory of tropical forests has rarely been examined. We aimed to identify the relative importance of the understory light environment and terrestrial bromeliads in explaining the abundance and spatial organization of different plant life forms along a coastal forest g...

Cytogenetic studies in Primulaceae are mostly available for herbaceous species, and are focused on the chromosome number determination. An accurate karyotype characterization represents a starting point to know the morphometry and class of the chromosomes. Comparison among species within Myrsine, associating these data with the nuclear 2C value, ca...

Cytogenetic studies in Primulaceae are mostly available for herbaceous species, and are focused on the chromosome number determination. An accurate karyotype characterization represents a starting point to know the morphometry and class of the chromosomes. Comparison among species within Myrsine, associating these data with the nuclear 2C value, ca...

Previous studies reported Psidium as one of the most difficult genera to delimit within the American Myrtaceae. Even though palynology has improved the taxonomy of Angiosperms, information about the usefulness of pollen morphology for taxonomic purposes in Myrtaceae remains contradictory. Here, we investigate the significance of pollen morphology f...

Primulaceae é representada no Brasil por 12 gêneros e cerca de 140 espécies. As espécies apresentam hábitos de herbáceo a arbóreo e estão distribuídas nos gêneros Ardisia, Clavija, Ctenardisia, Cybianthus, Geissan-thus, Gentlea, Jacquinia, Lysimachia, Myrsine, Parathesis, Samolus e Stylogyne. Esta família é amplamente distribuída no Brasil, sendo q...

This paper reports a new species of Psidium found only in the Atlantic Forest of Espírito Santo and Rio de Janeiro, Brazil. Psidium grazielae is related to P. cauliflorum, differing mainly by membranaceous to chartaceous leaves with glandular dots visible on both faces, inconspicuous secondary veins, as well as the absence of trichromes on branches...

The conservation and management of the Atlantic Forest depends upon reliable knowledge about how many and which species this biome shelters. Floristic inventories have an important role in this process, especially when conducted in poorly known remnants, with a high conservation priority. This paper presents the study of the genus Piper (Piperaceae...

Two new species of Rudgea (Rubiaceae), R. quisquiliae and R. axilliflora, from Southeastern Brazil present true axillary inflorescences, a very distinct characteristic in the genus. Rudgea was previously characterized by the presence of usually terminal inflorescences, with pseudo-axillary inflorescences occurring in a single species, R. stipulacea...

Euploidy plays an important role in the evolution and diversification of Psidium Linnaeus, 1753. However, few data about the nuclear DNA content, chromosome characterization (morphometry and class) and molecular markers have been reported for this genus. In this context, the present study aims to shed light on the genome of Psidium guineense Swartz...

SSR locus, annealing temperature (TA), motif, and allele number amplified in the genome of Psidium guineense and Psidium guajava.

Subordinate species composition and distribution are regarded as a result of the dominant species structure. However, the spatial organization of subordinate species can also be related to dispersal abilities and interactions (competition and facilitation) within subordinate species. Here, we tested the influence of dominant species on subordinate...

This study presents a list of angiosperm species in an Atlantic Forest fragment in the southern portion of Espírito Santo state, Brazil, a region that represents a collection gap within the Atlantic Forest. The studied site is a relatively small fragment of 144 ha located within a conservation unit, the Mata das Flores State Park. The site belongs...

Pitcairnia azouryi is a species of Bromeliaceae restricted to Atlantic Forest inselbergs of southeastern Brazil. Since the species was first described, populations of P. azouryi have been observed from three locations in the states of Rio de Janeiro and Espírito Santo. Here we report four new populations discovered after extensive fieldwork during...

Chromosome morphometry and nuclear DNA content are useful data for cytotaxonomy and for understanding the evolutionary history of different taxa. However, the chromosome number is the only karyotype aspect reported for the species of Dorstenia so far. In this study, the nuclear genome size of Dorstenia arifolia (Lamarck, 1786), Dorstenia bonijesu (...