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Epizoochorous Dispersal by Barbs, Hooks, and Spines in a Lowland Moist Forest in Central French Guiana

Scott A. Mori and John L. Brown
Brittonia
Vol. 50, No. 2 (Apr. - Jun., 1998), pp. 165-173
Published by: Springer on behalf of the New York Botanical Garden Press
Stable URL: http://www.jstor.org/stable/2807846
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Epizoochorous Dispersal by Barbs, Hooks, and Spines in a Lowland Moist Forest in Central French Guiana
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Abstract

An analysis of the flowering plant flora of a lowland moist forest in central French Guiana reveals 25 species with adaptations for epizoochorous dispersal by barbs, hooks, or spines (stick-tights). This represents 1.5% of the flowering plant flora. Stick-tights are represented among the monocotyledons of the flora of central French Guiana by five species of Poaceae. The Fabaceae and Asteraceae, each with six species with stick-tight dispersal, are richest families of flowering plants in terms of stick-tight dispersal in central French Guiana. This region possesses numerous potential mammal and bird dispersal agents, therefore it is a puzzle why stick-tight dispersal, especially among species of the canopy, is not more frequent.

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