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Intrapopulational Variation in Leaflet Morphology of Zamia pumila L. in Relation to Microenvironment and Sex
Sandra J. Newell
American Journal of Botany
Vol. 72, No. 2 (Feb., 1985), pp. 217-221
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2443549
Page Count: 5
You can always find the topics here!Topics: Plants, Leaves, Surface areas, Plant morphology, New species, Biological taxonomies, Species, Female animals, Water temperature, Analysis of variance
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The cycad Zamia pumila L. was examined for differences in leaflet morphology between sun and shade plants and between males and females within a single population in northern Puerto Rico. Sun leaflets are significantly smaller than shade leaflets in length, width, and surface area; and sun leaflets have a higher length: width ratio than shade leaflets. Also, average density-thickness is greater for sun leaflets than for shade leaflets. Males and females are similar in leaflet size; but the females had a larger number of leaflets per leaf than males.
American Journal of Botany © 1985 Botanical Society of America, Inc.