Leguminosae em savanas do estuário amazônico brasileiro

Silva, Wanderson Luis da Silva e; Rocha, Antônio Elielson da; Santos, João Ubiratan Moreira dos

doi:10.1590/s2175-78602014000200004

Cited by 4 publications

(3 citation statements)

References 23 publications

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“…As espécies amostradas foram coletadas conforme técnicas usuais para plantas vasculares (Peixoto & Maia, 2013). Em laboratório, foram identificadas a partir de referências bibliográficas especializadas (Barroso et al, 1999;Barbosa et al, 2013;Morokawa et al, 2013;Silva et al, 2014)…”

Section: Amostragem Da Vegetaçãounclassified

Distribuição e estrutura das espécies lenhosas em uma restinga ecotonal no litoral Amazônico Maranhense, Brasil

Belfort

Nascimento

Almeida

2021

Bol. Soc. Argent. Bot.

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Introducción y objetivos: La vegetación de restingas es un ecosistema que se extiende a lo largo de la costa de Brasil en varias extensiones, con fitofisiognomías compuestas por estratos que varían de herbáceas a arbóreas. El objetivo de este trabajo fue analizar la disposición estructural, diversidad y distribución de la comunidad leñosa de vegetación ecotonal de restinga en la costa de Maranhão, región nordeste de Brasil, con miras a la investigación dirigida al potencial de la bioprospección de especies. M&M: Para el muestreo de la vegetación se utilizó el método del punto cuadrático (50 puntos), cuyo criterio de inclusión fue Perímetro a Altura del Terreno ≥ 10cm. Se analizaron parámetros fitosociológicos, estructura comunitaria y patrón de distribución fitogeográfica. Resultados: Se identificaron 22 especies, 18 géneros y 14 familias. Las familias más representativas fueron Myrtaceae (con cuatro especies), Arecaceae, Fabaceae, Ochnaceae, Polygonaceae y Rubiaceae (dos especies, cada una). Las especies con mayores Valores de Importancia (VI) fueron Astrocaryum vulgare (20,36%), Attalea speciosa (19,40%), Himatanthus drasticus (14,72%), Chamaecrista ramosa (10,68%) y Eugenia biflora (10,27%). El índice de diversidad de Shannon fue 2,401 nat.ind-1 y la equidad de Pielou 0,749. El patrón de distribución local mostró que las especies se distribuyen aleatoriamente. La única especie con un patrón de distribución diferente fue Chamaecrista ramosa, con una distribución agregada. Conclusiones: La estructura y dinámica de la restinga ecotonal entre las costas amazónicas y nororiental indican que la zona tiene riqueza y diversidad de especies con valores similares a las restas del nordeste, destacando la necesidad de protección y valoración de plantas en áreas de restinga.

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Section: Amostragem Da Vegetaçãounclassified

Distribuição e estrutura das espécies lenhosas em uma restinga ecotonal no litoral Amazônico Maranhense, Brasil

Belfort

Nascimento

Almeida

2021

Bol. Soc. Argent. Bot.

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“…Most medicinal plants are prepared as infusions or unguents [ 13 ]. Chamaecrista diphylla (L.) Greene (Fabaceae/Caesalpiniaceae) is widely distributed in the savannas and coastal areas of Mexico, Central America (Belize, Cuba, Guatemala, Caribbean Islands, Panama and Puerto Rico) and South America (Brazil, Colombia, Guyana and Venezuela) [ 14 , 15 ]. Described as a small herb, this plant grows up to 15 cm and develops branches from a single point fixed to the ground.…”

Section: Introductionmentioning

confidence: 99%

Constituents of Chamaecrista diphylla (L.) Greene Leaves with Potent Antioxidant Capacity: A Feature-Based Molecular Network Dereplication Approach

et al. 2021

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Chamaecrista diphylla (L.) Greene (Fabaceae/Caesalpiniaceae) is a herbaceous plant that is widely distributed throughout the Americas. Plants from this genus have been used in traditional medicine as a laxative, to heal wounds, and to treat ulcers, snake and scorpion bites. In the present study, we investigated the chemical composition of Chamaecrista diphylla leaves through a mass spectrometry molecular network approach. The oxygen radical absorbance capacity (ORAC) for the ethanolic extract, enriched fractions and isolated compounds was assessed. Overall, thirty-five compounds were annotated for the first time in C. diphylla. Thirty-two of them were reported for the first time in the genus. The isolated compounds 9, 12, 24 and 33 showed an excellent antioxidant capacity, superior to the extract and enriched fractions. Bond dissociation energy calculations were performed to explain and sustain the antioxidant capacity found. According to our results, the leaves of C. diphylla represent a promising source of potent antioxidant compounds.

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“…Killip and Clitoria laurifolia Poir (Fabaceae) are shrubby herbaceous, pioneer species found in degraded areas preferentially in sandy soils (Kissman & Groth 1995, Sacramento et al 2007. Different species of both genera are commonly found on coastal plains of several countries and their population dynamics could be associated with habitat degradation and destruction (Martínez et al 2006, Sacramento et al 2007, Arceo-Gómez et al 2012, Silva et al 2014. Such different species are described as partially self-compatible, although they could be pollinator-dependent for fruit set (Manente-Balestieri & Machado 1999, Tandon et al 2003, Nair et al 2004, Kleunen & Johnson 2005, Galloni et al 2007, Arone et al 2012.…”

Section: Introductionmentioning

confidence: 99%

Reproductive ecology of two pioneer legumes in a coastal plain degraded by sand mining

Fidalgo

Guimarães

Caldiron

et al. 2018

Hoehnea

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The present study evaluates and compares the phenology, pollination biology and breeding systems of Chamaecrista desvauxii (Collad.) Killip.and Clitoria laurifolia Poir. in a coastal plain degraded by sand mining in São Paulo State, Brazil, from January 2006 to May 2008. Flowering and fruiting events occurred in the warm and rainy season. Both species are self-compatible but only C. desvauxii was pollinator-dependent to set fruits. A small group of bees, comprising Eufrisea sp., Eulaema (Apeulaema) cingulata and Bombus morio, accessed the male and female floral structures and moved among individuals resulting in cross-pollinations. However, only B. morio was a frequent visitor and an effective pollinator. Although recruitment and survival of population in the study area are high for both species, we observed lower abundance and richness of visitors suggesting the possible lack of pollinators and pollen limitation.

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Leguminosae em savanas do estuário amazônico brasileiro

Cited by 4 publications

References 23 publications

Distribuição e estrutura das espécies lenhosas em uma restinga ecotonal no litoral Amazônico Maranhense, Brasil

Distribuição e estrutura das espécies lenhosas em uma restinga ecotonal no litoral Amazônico Maranhense, Brasil

Constituents of Chamaecrista diphylla (L.) Greene Leaves with Potent Antioxidant Capacity: A Feature-Based Molecular Network Dereplication Approach

Reproductive ecology of two pioneer legumes in a coastal plain degraded by sand mining

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