Pdf the taxonomic importance of leaf surface characters in. Hintonia latiflora bullock rubiaceae and exostema caribaeum jacq. It is home to a wide variety of trees, many not found elsewhere in north america. Ti exostema ket immuna a ninaganan babaen ni christiaan hendrik persoon kas maysa a subhenero ti cinchona. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Litterfall production prior to and during hurricanes irma.
Some of these trees shed their leaves during certain seasons, and. Its plumage is mottled with chocolatebrown, gray and. Pdf the taxonomic importance of leaf surface characters. Drug discovery projects targeting malaria often resort to natural sources in the search for lead compounds. Exostema in world checklist of selected plant families. Exostema rubiaceae comprises 25 neotropical woody species, ranging from western. A survey of the literature has led to a summary of the major findings regarding plantderived compounds from african flora, which have shown antimalarial.
In vitro antimalarial activity of coutarea latiflora and exostema. Synthesis of 4phenylcoumarins from dalbergia volubilis and exostema caribaeum. Molecules free fulltext secondary metabolites from. Flora of panama, mesoamericana, nicaragua, panama, vpa common names. Its diversity is supported by the numerous types of habitats such as swamps, bottomlands, sandy hills and dunes, rivers, estuaries, brackish waterways, prairies, and grasslands. Leon levy native plant preserve plant listings exostema. Endemism in these caribbean forests is very high and represents about 50% of the characteristic plant species. Cytotoxic constituents of the roots of exostema acuminatum. Biogeography of exostema rubiaceae in the caribbean region in. Corpus scriptorum christianorum orientalium microform. Plants profile for exostema caribaeum caribbean princewood. The board of trustees of the royal botanic gardens, kew.
Biogeographical hypotheses based upon a phylogenetic analysis of morphological data depict a south american origin for the group, with species radiations in the greater antilles. Po box 377, tavernier, fl 33070 305 8522431 800 8588845 contact us employee portal. Exostema caribaeum exscaoverview eppo global database. Exostema is a genus of flowering plants in the family rubiaceae. Malaria is currently a public health concern in many countries in the world due to various factors which are not yet under check. Secondary metabolites from endophytic streptomyces. Potential toxic effects in mice of an infusion prepared from the stem bark of exostema caribaeum was assessed by means of the lorke procedure.
One compound isolated from the ether extract from exostema caribaeum showed only moderate activity. The type species for the genus is exostema caribaeum. Exostema rubiaceae comprises 25 neotropical woody species, ranging from western south america and mesoamerica to the west indies, with 19 species occurring in cuba and hispaniola. However, the spectral properties of the former were not in conformity with those reported for the natural product, seshadrin. Rubiaceae were examined for antimalarial properties. Continuing to use this website means you agree to our use of cookies. The leaves are arranged oppositely and are up to 12 centimeters long. Allometric equations for predicting puerto rican dry forest biomass and volume thomas brandeis1, matthew delaney2, larry royer3, and bernard parresol4 abstract.
Abstract diabetes mellitus is a lifestyle disorder that is rapidly becoming a major threat to populations all over the globe. Exostema caribaeum occurs on all islands within the bahamian archipelago as well as rest of the caribbean region, florida, mexico and central america. We used forest inventory data, intensive tree measurement, destructive sampling in the field, and subsequent laboratory analyses to develop regression. Exostema caribaeum grows on a solid limestone substrate in dry broadleaf evergreen formations coppice as well as in pine woodlands. Among different crude solvent extracts of the stem bark, the hydrolysed ethyl acetate extracts were shown to have the most potent in vitro antimalarial activity. Iridoids, anthraquinones, triterpenes, indole alkaloids as well as other varying alkaloid subclasses, have. Exostema caribaeum grows as a slender shrub to small tree up to twelve meters in height. Pdf chemical studies on mexican plants used in traditional. General information about exostema caribaeum exsca this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Development of a uhplcpda method for the simultaneous.
Allometric equations for predicting puerto rican dry. A downloadable pdf document of a book in prepublication awaiting illustration. Fkecs comprehensive planting guide florida keys electric. Over the past 30 years, the status of diabetes has changed from being considered as a mild lifestyle disorder of the elderly to one of the major causes of morbidity and mortality, affecting people of all ages. The preparation was not found to be toxic, with the ld50 value estimated to be more than 5 gkg. Files are available under licenses specified on their description page. Biogeographical hypotheses based upon a phylogenetic analysis of morphological data depict a south american origin for. Exostema caribaeum, and bigleaf mahogany swietenia mahagoni. The plants database includes the following 3 species of exostema. Ernodea cokeri, princewood exostema caribaeum, and prideofbigpine strumpfia maritima.
In vitro antimalarial activity of coutarea latiflora and. Exostema is a genus of neotropical trees and shrubs. Douglas kinghorn, heinz falk, simon gibbons, junichi kobayashi, yoshinori asakawa, jikai liu download bok. We do not use these to store personal information about you. Streptomyces aureofaciens cmuac was isolated from the root tissue of zingiber officinale rosc. Department of agriculture, forest service, southern research station, 4700 old kingston pike, knoxville, tn 37919, united states bdelaney forestry services, llc, 1216 calapooia street, albany, or 97321, united states. Exostema caribaeum is a species of plants with 17 observations. This preparation at 100, 300, and 500 mgkg also caused a significant hypoglycemic effect and a.
The potential of antimalarial compounds derived from african. Zanthoxylum caribaeum is a deciduous, spiny shrub or small tree with a dense, globose crown. Development of equations for predicting puerto rican subtropical dry forest biomass and volume thomas j. Cover data for further species encountered in the 25 lm 2 quadrants sampled in each old field are recorded in this way. The pollen morphology of the catesbaeeaechiococceaeexostema complex as recently treated by. Synthesis of 4phenylcoumarins from dalbergia volubilis. Phylogeny, diversity, and distribution in exostema. Synthesis of 4phenylcoumarins from dalbergia volubilis and. Molecular phylogenetic analysis and generic delimitations in.
Exostema was first named by christiaan hendrik persoon as a subgenus of cinchona. Development of a uhplcpda method for the simultaneous quantification of 4phenylcoumarins and chlorogenic acid in exostema caribaeum stem bark. Eysenhardtia polystachya eysenhardtia orthocarpa kidneywood tahitian kidneywood. Frontiers molecular markers associated with chemical. Development of equations for predicting puerto rican. The latest pharmacological and phytochemical studies revealed that the infusion of the leaves have hypoglycemic. Chemical studies on mexican plants used in traditional. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Progress in the chemistry of organic natural products 108 a. General information about exostema 1exsg this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Exostema caribaeum is an evergreen shrub or small tree with slender, spreading branches and sometimes without a definite crown of foliage. Allometric equations for predicting puerto rican dry forest.
Bahama wild coffee psychotria ligustrifolia northrop millsp. Pdf investigation of the meoh extract of exostema caribaeum rubiaceae led to the isolation of three new. Title flora of guatemala publication author standley p. Exostema caribaeum caribbean princewood exostema ellipticum plateado exostema sanctaeluciae. Biogeography of exostema rubiaceae in the caribbean region. Antidiabetic properties of selected mexican copalchis of the. The bark is grayish in color and develops horizontal fissures with age. If more than 8 species were encountered their data are punched on a second card. Ang exostema sakop sa kabanay nga rubiaceae matang nga nahiubos.
This preparation at 100, 300, and 500 mgkg also caused a significant hypoglycemic effect and a reduction in the postprandial glycemia peak in both normal. This study describes some characteristics of the rubiaceae family pertaining to the occurrence and distribution of secondary metabolites in the main genera of this family. Florida keys electric cooperative association, inc. The taxonomic importance of leaf surface characters in the genus exostema.
All structured data from the file and property namespaces is available under the creative commons cc0 license. Search in the plant list search in ipni search in australian plant name index search in nybg virtual herbarium search in. It was an antagonist of colletotrichum musae and fusarium oxysporum, the causative agents of anthracnose of banana and wilt of wheat, respectively. The remaining twentyone species of exostema are endemic to the antilles, and except for e. Exostema triflorum is a species of plant in the family rubiaceae. Download fkecs comprehensive planting guide pdf florida keys electric cooperative association, inc.
Infrageneric relationships and specieslevel patterns of evolution were investigated in phylogenetic analyses using morphological, molecular, and combined data sets. Biogeography of exostema rubiaceae in the caribbean. The puerto rican nightjar is a mediumsized nocturnal bird with a very short, but very wide, beak. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. The stamens are inserted near the base of the corolla tube and exserted well beyond its mouth. April 16, 2020 certification list nematode certification. Atp synthesis and phosphorylating coupled electron flow were inhibited by 89 and 72%, respectively, at a concentration of 400. The neotropical genusexostema comprises 25 species of trees and shrubs, ranging in distribution from bolivia to mexico and throughout the west indies, with most species endemic to the greater antilles. Exostema caribaeum 5 guapira fragans 3 guatterria caribaea 4 krugiodendron ferreum 5 maitenus eliptica 1 ficus laevigata 2 14 bursera simaruba 6 9 bucida buceras 16 12 sideroxylon foetidissimu 1 sideroxylon salicifolium 2 adenanthera pavonina 4. The flowers have a slender corolla tube with recurved corolla lobes. The preparation was not found to be toxic, with the ld value estimated to be more than 5 gkg. Dominant species in puerto rico coastal dry forest are coccoloba krugii, erithalis fruticosa, exostema caribaeum, guettarda krugii, gymnanthes lucida, pisonia albida, savia sessiliflora, and thouinia striata var. Click below on a thumbnail map or name for species profiles.
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