5 results
Sort by:
Add to the list:
    • Several versions

    New Books Received

    Journal of Latin American Studies, 2004, Vol.36(3), pp.633-639 [Peer Reviewed Journal]

    • Several versions

    The Institutional Foundations of Democratic Cooperation in Costa Rica *

    Lehoucq, Fabrice Edouard
    Journal of Latin American Studies, 1996, Vol.28(2), pp.329-355 [Peer Reviewed Journal]

    • Several versions

    Technocrats and politicians in an authoritarian regime. The ODEPLAN Boys and the Gremialists in Pinochets Chile

    Huneeus, Carlos
    Journal of Latin American Studies, 2000, Vol.32(2), pp.461-501 [Peer Reviewed Journal]

    • Several versions

    Los colombianos y las redes del narcotrafico en Nueva York durante los a?os 70

    Eduardo Sáenz Rovner
    Innovar, 2014, Vol.24(53), pp.223-234 [Peer Reviewed Journal]

    • Article
    Select

    Morphological variation in Puya (Bromeliaceae): an allometric study

    Hornung-Leoni, C., Sosa, V.
    Plant Systematics and Evolution, 2005, Vol.256(1), pp.35-53 [Peer Reviewed Journal]
    Springer Science & Business Media B.V.
    Available
    More…
    Title: Morphological variation in Puya (Bromeliaceae): an allometric study
    Author: Hornung-Leoni, C.; Sosa, V.
    Subject: Allometry ; altitudinal and latitudinal distribution ; Bromeliaceae ; plant size ; pollination system ; Puya
    Description: A group of representative species of the genus Puya was studied to determine if there are allometric relationships between vegetative and floral parts, whether these relationships correlate with their pollination system and if plant size is correlated with elevation and latitude. Fifty-three species representing the morphological variation and distribution of the genus were studied. Total plant height, as well as leaf, inflorescence, petal and sepal length were measured and these data subjected to univariate and multivariate analyses. To test for correlation between plant size and altitudinal and latitudinal distribution, ANOVAs were performed. When the pollination system of a species is known, additional multivariate and univariate analyses were also performed. The results indicate that the characters studied are correlated with a size component, exhibiting positive allometry for sepal and petal length and negative allometry for leaf length. Inflorescence length is an isometric character. There was no significant correlation between plant size and altitudinal or latitudinal distribution. The ANOVAs show that the only character correlated to pollinator type was petal length. Small plants with small flowers are correlated to pollinators such as insects, while medium to large plants with medium to large-sized flowers are correlated with pollinators such as birds and bats. Large plants have small flowers, that are more evident and attract more pollinators.
    Is part of: Plant Systematics and Evolution, 2005, Vol.256(1), pp.35-53
    Identifier: 0378-2697 (ISSN); 1615-6110 (E-ISSN); 10.1007/s00606-005-0302-z (DOI)