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A New Southern Hemisphere Species of Potentilla (Rosaceae)
A. Castagnaro, J. Diaz Ricci, M. Arias and P. Albornoz
Vol. 8, No. 4 (Winter, 1998), pp. 333-336
Published by: Missouri Botanical Garden Press
Stable URL: http://www.jstor.org/stable/3391852
Page Count: 4
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Potentilla tucumanensis A. Castagnaro & M. Arias, sp. nov., from Tucumán, Argentina, is described and illustrated. Potentilla tucumanensis was originally determined as P. norvegica. The latter and P. anserina were the only two species of this large genus primarily of the Northern Hemisphere cited from Argentina. Potentilla tucumanensis is distinguished from P. norvegica by morphological-reproductive (flowers and achenes), anatomical (stomata), and genetic (chromosome number) characters.
Novon © 1998 Missouri Botanical Garden Press