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- Title
Chromosome numbers in Brazilian species of Crotalaria (Leguminosae, Papilionoideae) and their taxonomic significance.
- Authors
FLORES, ANDRÉIA SILVA; CORRÊA, ANDRÉA M.; FORNI-MARTINS, ELIANA R.; TOZZI, ANA M. G. AZEVEDO
- Abstract
Chromosome numbers were counted for 23 species of Crotalaria native to Brazil. Among these data there were new counts for 15 taxa, and some confirmed previous reports or represented numbers that were different from those cited previously. The chromosome numbers most frequently found were 2 n = 16 and 2 n = 32. Only C. incana L. had 2 n = 14 and C. tweediana Benth. had 2 n = 54. The counts 2 n = 32 and 54 were found in species of section Calycinae and 2 n = 16 and 14 in species of section Chrysocalycinae. The data revealed the importance of chromosomal parameters in the characterization of sections Calycinae and Chrysocalycinae in Brazil. We discuss the systematic significance and evolutionary aspects for the genus, comparing the results with the two sections that are native in Brazil. © 2006 The Linnean Society of London, Botanical Journal of the Linnean Society, 2006, 151, 271–277.
- Subjects
BRAZIL; CROTALARIA; LEGUME varieties; PLANT chromosomes; LEGUMES; PHYSIOLOGY
- Publication
Botanical Journal of the Linnean Society, 2006, Vol 151, Issue 2, p271
- ISSN
0024-4074
- Publication type
Article
- DOI
10.1111/j.1095-8339.2006.00479.x