ABSTRACT
(Taxonomic study of Stylosanthes (Leguminosae-Papilionoideae-Dalbergieae) in Mato Grosso do Sul, Brazil) Among those used species is the genus Stylosanthes is a pantropical genus with 50 species, half of them occurring in Brazil. This study presents a survey of Stylosanthes species of the state of Mato Grosso do Sul, through analysis of material from national herbaria and field collections. Stylosanthes is represented in Mato Grosso do Sul by 17 species, distributed into two sections. Stylosanthes section Styposanthes is represented by five species: S. bracteata, S. capitata, S. hamata, S. macrocephala and S. scabra and Stylosanthes section Stylosanthes by 12 species: Stylosanthes acuminata, S. gracilis, S. grandifolia, S. guianensis, S. hippocampoides, S. humilis, S. linearifolia, S. longiseta, S. maracajuensis, S. montevidensis, S. nunoi and S. viscosa. As new occurrences for the state are pointed out: S. capitata, S. hamata, S. hippocampoides, S. humilis, S. linearifolia, S. macrocephala, S. montevidensis and S. nunoi. Species of Stylosanthes in Mato Grosso do Sul occur in cerrado savanna, cerrado-woodland, grassland and Chaco.
Key words:
flora; taxonomy; legumes; systematic