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