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OCCURRENCE OF ANISOPHYLLY AND ANISOCLADY WITHIN THE AMARANTHACEAE

Donald B. Pratt and Lynn G. Clark
Journal of the Botanical Research Institute of Texas
Vol. 4, No. 1 (29 JULY 2010), pp. 271-279
Stable URL: http://www.jstor.org/stable/41972000
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.
OCCURRENCE OF ANISOPHYLLY AND ANISOCLADY WITHIN THE AMARANTHACEAE
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Abstract

Anisophylly and anisoclady, features considered rare in the Amaranthaceae, were observed within some members of the subfamily Gomphrenoideae (Amaranthaceae) during collection of specimens for molecular phylogenetic analysis. Phyllotaxy, equality of leaf size in opposite leaves at a single node, and branching pattern were surveyed within the family to determine their occurrence and potential taxonomic utility. Taxonomic occurrence of anisophylly and anisoclady within Amaranthaceae and the potential significance of their presence are discussed. La anisofilia y la anisocladia, características consideradas raras en las Amaranthaceae, fueron observadas en algunos miembros de la subfamilia Gomphrenoideae (Amaranthaceae) durante la recolección de especimenes para análisis filogenéticos moleculares. Se estudió la filotaxis, igualdad de tamaño en hojas opuestas en un nudo, y patrón de ramificación en la familia para determinar su presencia y su potencial utilidad taxonómica. Se discute la presencia de anisofilia y anisocladia en las Amaranthaceae y el significado potencial de su presencia.

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