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Showing 1 to 20 of 27 for “"RUBIACEAE"”.
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Systematics of the Philippine endemic Ixora L. (Rubiaceae, Ixoreae)
Ixora L. belonging to the tribe Ixoreae (Rubiaceae, subfamily Ixoroideae), is a large pantropical rain forest genus of shrubs and small trees. It comprises ca. 530 species that is presently subject to intensive investigations leading to far-reaching systematic changes. Recently, based on molecular …
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Molecular Phylogenetics and Historical Biogeography of the Tribe Chiococceae (Rubiaceae)
<p>Chiococceae are a monophyletic assemblage of morphologically very diverse groups of plants ranging in habit from subshrubs to shrubs to tall trees exhibiting an astonishing variation in shapes and sizes of corolla, and kinds of fruits and seeds. They are primarily distributed in the Neotropics …
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Molecular Phylogeny of the Genus Houstonia and Allies in Rubiaceae
<p>Houstonia (Rubiaceae) is a strictly North American genus of 24 species distributed from Mexico, throughout the United States, up to Canada. Houstonia has proven to be a taxonomically difficult genus since the Linnaean description of Houstonia and the related genera: Hedyotis and Oldenlandia in …
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Borreria verticillata (Rubiaceae): Caracterização Nutricional e Respostas Morfofisiológicas ao Arsênio
O arsênio (As) é um elemento tóxico aos seres vivos liberado no ambiente por fontes naturais e antrópicas. A fitorremediação utilização de plantas na recuperação de ambientes contaminados requer a seleção de espécies tolerantes ao poluente. Borreria verticillata é encontrada em ambientes com alta …
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New delimitations and phylogenetic relationships of Sabiceeae (Ixoroideae, Rubiaceae) and revision of the Neotropical species of Sabicea Aubl.
The pantropical tribe Sabiceeae (Ixoroideae s.l., Rubiaceae) has been variously circumscribed previously with strong conflicts. The monophyly of Sabiceeae including its all established genera or the monophyly of any non-monotypic genus traditionally included in this tribe has never been examined …
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Florística e fitossociologia do estrato arbóreo de Floresta Atlântica interiorana, Araponga, Minas Gerais
… (14), Leguminosae (11), Myrtaceae (10), Rubiaceae (8), Annonaceae (7), Flacourtiaceae (7), Lauraceae (7) e Meliaceae (6). As famílias que se destacaram quanto ao valor de importância (VI) foram: Euphorbiaceae, Rubiaceae, Vochysiaceae e Melastomataceae. Das espécies amostradas, a mais …
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ΜΕΛΕΤΗ ΤΩΝ ΧΗΜΙΚΩΝ ΣΥΣΤΑΤΙΚΩΝ ΤΟΥ ΦΥΤΟΥ GALIUM MELANANTHERUM BOISS
… THE AERIALPARTS OF GALIUM MELANANTHERUM BOISS (RUBIACEAE FAM). USING THE TECHNIQUES PC, TLC, C.C, UV ABSORPTION SPECTROSCOPY, HYDROLYSIS, SUGAR ANALYSIS BY GLC, GLC, HPLC, NMR) THE FOLLOWING CONSTITUENTS WERE IDENTIFIED. IN THE PETROLEUM ETHER: B-CAROTENE (ISOLATED, FATTY ACIDS, STEROLS, 4- …
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Pollination Biology of Gentianales in a Southern Ecuadorian Montane Forest
… including Asclepiadoideae, Gentianaceae, and Rubiaceae) was investigated in a tropical montane forest in southern Ecuador. This study is part of an interdisciplinary project on the diversity and functioning of a montane ecosystem, and provides important results with respect to pollination …
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Etnobotani tumbuhan obat oleh masyarakat Kecamatan Sreseh Kabupaten Sampangan Madura
… (Sirih 60,00 %), Myrtaceae(Jambu biji 53,33 %), Rubiaceae (Mengkudu 46,67%) dan Euphorbiaceae(Ki tolot 46, 67%). Organ tumbuhan yang digunakan sebagai obat terdiri dari daun, rimpang, buah, akar, tunas daun, umbi lapis, dan umbi akar. Bagian rimpang merupakan bagian tumbuhan yang paling banyak …
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Isolation, Synthesis and Structure-Activity Relationship Study of Anticancer and Antimalarial Agents from Natural Products
… saponins from Nematostylis anthophylla (Rubiaceae); six new antiproliferative homoisoflavonoids and two new bufatrienolides from Urginea depressa (Asparagaceae); and two new antiplasmodial anthraquinones from Kniphofia ensifolia (Asphodelaceae). The structures of all these compounds were …
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Isolierung, Strukturaufklärung und Totalsynthese von Naturstoffen aus tropischen Heilpflanzen und Bodenorganismen
… bis zu 75:25. Aus Pavetta crassipes K. SCHUMANN (Rubiaceae) konnte das Phythosterol Ursolsäure isoliert werden, während aus Rothmannia urcelliformis (HIERN) BULLOCK (Rubiaceae) 1-epi-Geniposid und Gardenamid A isoliert wurde. Im Rahmen einer Kooperation mit H. Rischer gelang die Isolierung von …
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Caracterización florística y estructural de la vegetación secundaria joven en el bosque seco caducifolio de Chacocente
… más representadas son: Fabaceae, Caesalpinaceae, Rubiaceae, Boraginaceae y Mimosaceae (vegetación mayor de 1.5 m de altura). Para la vegetación menor de 1.5 m de altura se encontraron 53 especies, las familias más importantes son: Fabaceae, Boraginaceae y Mimosaceae. Los rodales estudiados …
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Caracterización florística y estructural del bosque de galería en Chacocente, Carazo, Nicaragua
… las familias Leguminoceae, Meliaceae y Rubiaceae a nivel del arbolado y Meliaceae, Bignoniaceae y Polygonaceae en la regeneración natural. El 36% de las especies arbóreas se consideran de bajo valor económico, siendo utilizadas para postes y leña, mientras que el 19%. de las especies son …
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Interação insetos-sementes: Uma visão positiva do fenômeno
… o café (Coffea canephora var. kouilou) uma Rubiaceae arbustiva, natural de áreas tropicais africanas, foi avaliada, em condições exóticas, com frutos coletados em áreas de cultivo comercial de café, em Rondônia. Em ambos os casos, foi observado que insetos são fatores chave para o sucesso da …
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Estudio de la dinamica poblacional de diez especies arbóreas en un periodo 2006-2007 en el bosque seco secundario en la comarca La Chipopa, Nandaime, Granada
… Fabaceae, con 6 especies, Boraginaceae y Rubiaceae con 3 especies, el resto presentaron una especie por familia. En relación a la abundancia, se contabilizó un total de 1431 ind/ha en el 2006, disminuyendo este valor a 1381ind/ha para el año 2007. La istribución de individuos por categoría …
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Avaliação de atividade antihepatotóxica de duas espécies vegetais popularmente conhecidas como "quina": Strychnos pseudoquina A. St. Hil. e Coutarea hexandra (Jacq.) K. Schum
… e Coutarea hexandra (Jacq.) K. Schum, família Rubiaceae. Foi realizada a prospecção fitoquímica preliminar, por cromatografia em camada delgada, dos extratos etanólicos de cascas e folhas, separadamente, destas espécies e avaliado o potencial antioxidante in vitro. Posteriormente, ensaios …
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Identification and Quantification using HPLC-ES/MS of Four Pentacyclic Oxindole Alkaloids in Uncaria tomentosa Wild Type
Uncaria tomentosa of the Rubiaceae family is a liana or woody vine that is found in Central and South America, which derives its nickname “Uña de Gato” or translated “Cats Claw” from its claw shaped thorns that resemble the claws of a cat. These thorns are used for the plant vine to climb and …
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Estructura, diversidad florística y estimación de carbono almacenado en tres bosques del municipio El Castillo, Río San Juan, Nicaragua, 2012
… según el número de especie son, Moraceae, Rubiaceae, Fabaceae, Sapotaceae, Anonaceae, Burseraceae, Cumbretaceae, Lauraceae, Meliaceae, Vochysiaceae, Mimosaceae, alta presencia de especies indicadoras de bosques alterados o secundarios y bajo número de especies comerciales. No obstante el …
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Estado actual de la regeneración natural del bosque seco en el refugio de vida silvestre Chacocente, Carazo
… ambos casos, estas son las siguientes: Fabaceae, Rubiaceae, Meliaceae, Boraginaceae. Las especies con mayor índice de valor de importancia en el latizal alto son: el Barazon (Achatocarpus nigricans) (14.61%), Palo de familia (Allophyllus psilospermus) (5.67%) y Cacho de venado (Grettarda …
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Studies of the mechanisms involved in host finding and mating behaviour of the African coffee white stem borer, Monochamus leuconotus (pascoe) (Cleoptera: Cerambycidae)
… that female M. leuconotus feed mostly on Rubiaceae and preferred to lay eggs on Coffea arabica, G. ternifolia, V. infausta and K. venosa. The implications of the findings in relation to possible application of chemical ecology in management of M. leuconotus are discussed.
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