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Paysonia, a New Genus Segregated from Lesquerella (Brassicaceae)

Steve L. O'Kane, Jr. and Ihsan A. Al-Shehbaz
Novon
Vol. 12, No. 3 (Autumn, 2002), pp. 379-381
DOI: 10.2307/3393083
Stable URL: http://www.jstor.org/stable/3393083
Page Count: 3
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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.
Paysonia, a New Genus Segregated from Lesquerella (Brassicaceae)
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Abstract

The annual, auriculate-leaved species of Lesquerella (Brassicaceae) of the southeastern United States are transferred to the new genus Paysonia. The new combinations Paysonia auriculata, P. densipila, P. grandiflora, P. lasiocarpa, P. lasiocarpa subsp. berlandieri, P. lasiocarpa subsp. heterochroma, P. lescurii, P. lyrata, P. perforata, and P. stonensis are proposed. The distinguishing characters between the combined taxon Lesquerella-Physaria are discussed. A detailed description of the genus and a key to the species are provided.

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