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Chromosome Counts in Psophocarpus

Daniel K. Harder
Kew Bulletin
Vol. 47, No. 3 (1992), pp. 529-534
Published by: Springer on behalf of Royal Botanic Gardens, Kew
DOI: 10.2307/4110581
Stable URL: http://www.jstor.org/stable/4110581
Page Count: 6
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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.
Chromosome Counts in Psophocarpus
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Abstract

Somatic chromosome counts are presented for four previously uncounted species of Psophocarpus (Leguminosae: Papilionoideae) from material collected in the Republic of Zaire and Ghana. The basic chromosome number is 2x = 2n = 18 for the species Psophocarpus grandiflorus, P. lancifolius, P. lecomtei, and P. palustris, and these counts are consistent with previously published counts for P. scandens and the cultivated winged bean, P. tetragonolobus.

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