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Evolutionary Biology of Acacia caven (Leguminosae, Mimosoideae): Infraspecific Variation in Fruit and Seed Characters

James Aronson
Annals of the Missouri Botanical Garden
Vol. 79, No. 4 (1992), pp. 958-968
DOI: 10.2307/2399726
Stable URL: http://www.jstor.org/stable/2399726
Page Count: 11
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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.
Evolutionary Biology of Acacia caven (Leguminosae, Mimosoideae): Infraspecific Variation in Fruit and Seed Characters
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Abstract

Six varieties are recognized in Acacia caven (Leguminosae, Mimosoideae; Acacia subg. Acacia, subsection Polyseriae), based on herbarium studies of vegetative characters, population-level studies of fruit and seed characters, and a map of the species' distribution and morphological variation patterns in southern South America. Two new varieties are described. Ecological and evolutionary aspects of carpological variations are discussed, and a framework is established for further studies in this and related species.

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