Regina Helena Potsch Andreata

Plantas medicinais e seus usos pelos sitiantes da Reserva Rio das Pedras, Mangaratiba, RJ, Brasil

Os sitiantes que residem na Reserva Rio das Pedras, localizada no municipio de Mangaratiba, Estado do Rio de Janeiro, tem origem nos meeiros que trabalhavam nas plantacoes de banana da antiga fazenda Goiabal. Atualmente, esta fazenda corresponde ao Club Mediterranee, na cota proxima ao oceano Atlântico e a Reserva Rio das Pedras, acima da Rodovia Rio/Santos (BR-101), sendo um remanescente de Floresta Ombrofila Densa no Estado. O objetivo deste estudo foi resgatar informacoes sobre o uso de plantas medicinais pelos sitiantes que ainda residem nesta Reserva. Atraves de entrevistas estruturadas e semi-estruturadas aplicadas junto a comunidade, pode-se fazer um levantamento das plantas presentes ao redor das casas dos mesmos. Ao todo foram citadas 36 especies medicinais, distribuidas em 34 generos e 25 familias. Estas especies estao relacionadas a 28 usos medicinais, organizados em sete categorias. Predominaram especies de plantas herbaceas (21 spp.) seguidas das arbustivas (oito spp.) e arboreas (cinco spp.). Constatou-se que a folha foi a parte mais utilizada e o modo de preparo do remedio foi o decocto. Quantificou-se o numero de citacoes por informante para cada taxon, possibilitando a indicacao das especies mais utilizadas na area, como a erva-de-santa-maria (Chenopodium ambrosioides L.) e a pitanga (Eugenia uniflora L.).

Stem anatomy of Rhipsalis (Cactaceae) and its relevance for taxonomy

Several species of the genus Rhipsalis (Cactaceae) are extremely important as ornamentals and are endangered in their natural habitat. However, only a few studies have addressed its taxonomy, morphology (including anatomy), phylogeny and evolutionary history. Consequently, the limited knowledge of the genus coupled with the problematic delimitation of species had led to problems in the identification of taxa. In the current work six species of Rhipsalis, R. cereoides, R. elliptica, R. grandiflora, R. paradoxa, R. pentaptera and R. teres were studied to evaluate the relevance of anatomical characters for the taxonomy of the genus. An anatomical characterization of the primary structure of the stem of Rhipsalis is provided highlighting the differences between species. Features of the stem epidermis are found to discriminate best between species and therefore provide clear and useful characters for the separation of species.

Melastomataceae no Parque Estadual da Pedra Branca, Rio de Janeiro, RJ, Brasil

ABSTRACT - (Melastomataceae from Parque Estadual da Pedra Branca, Rio de Janeiro, Rio de Janeiro State, Brazil). Melastomataceae family comprises 67 genera and 1,321 species in Brazil, and it can be found in all Brazilian States. There are 28 genera and 338 species in Rio de Janeiro State. This study presents 26 species of Melastomataceae found on rain forests at the Parque Estadual da Pedra Branca at Rio de Janeiro municipality. Miconia is the richest genus with eight species ( M. brasiliensis , M. calvescensM. , cinnamomifolia, M. latecrenataM. , mirabilis M. , prasina M. , staminea and M. tristis ), followed by Tibouchina with five species ( T. corymbosaT. , estrellensis, T. gaudichaudiana , T. granulosa and T. heteromalla ), Leandra with four species ( L. hirta , L. melastomoides , L. reversa and L. variabilis ), Ossaea with three species ( O. amygdaloides , O. confertiflora and O. marginata ), Clidemia with two species ( Clidemia capitellata and Clidemia hirta ) and Meriania

Lauraceae in Itatiaia National Park, Brazil

This study presents the research of the Lauraceae species in the Parque Nacional do Itatiaia, Municipality of the Itatiaia, Rio de Janeiro State, Brazil. Nineteen subordinate to eleven genera species are presented:Aiouea (1 sp.), Aniba (1 sp.),Cassytha (1 sp.), Endlicheria (1 sp.),Licaria (2 spp.), Nectandra (4 spp.),Persea (2 spp.), Phyllostemonodaphne(1sp.) e Rhodostemonodaphne (1 sp.) . The study constitute the key of identification, description, phenology, geographic distribution, commentary and illustrations.

A New Species of Clara (Herreriaceae) from Brazil

Abstract A new species, Clara gracilis (Herreriaceae), endemic to the Rio Grande do Sul State, Brazil, is described and compared to the closely related C. ophiopogonoides. A key for separating the three species of the genus is presented, with a map of their geographic distribution, as well as detailed illustrations of the new species.

Botanical Species as Traditional Therapy: A Quantitative Analisys of the Knowledge Among Ranchers in Southeastern Brazil

© 2012 Medeiros et al., licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Botanical Species as Traditional Therapy: A Quantitative Analisys of the Knowledge Among Ranchers in Southeastern Brazil