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Chromosome Counts in Psophocarpus
Daniel K. Harder
Vol. 47, No. 3 (1992), pp. 529-534
Stable URL: http://www.jstor.org/stable/4110581
Page Count: 6
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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.
Kew Bulletin © 1992 Royal Botanic Gardens, Kew