NOVEDADES TAXONÓMICAS Y SINOPSIS DEL GÉNERO DIGITARIA (POACEAE: PANICOIDEAE: PANICEAE) EN BOLIVIA

VEGA, A. S.; Z. E. RÚGOLO DE AGRASAR

DARWINIANA

Instituto de Botánica Darwinion

Lugar: San Isidro, Buenos Aires; Año: 2002 vol. 40 p. 171 - 190

0011-6793

ABSTRACT: Vega, A. S. & Rúgolo de Agrasar, Z. E. Taxonomic novelties and synopsis of the genus Digitaria (Poaceae: Panicoideae: Paniceae) in Bolivia. Darwiniana. The genus Digitaria is represented in Bolivia by 27 taxa: 22 species and 5 varieties. Digitaria argillacea var. nulliseta A. S. Vega & Rúgolo var. nov. is described and illustrated. Digitaria catamarcensis, D. ternata, D. setigera and D. aequiglumis var. laetevirens are reported for the first time for the country and D. laxa constitutes a dubious report for Bolivia. Digitaria gerdesii var. boliviensis and D. similis are recognized and confirmed for Bolivia and the following species are excluded: Digitaria neesiana, D. sanguinalis, D. violascens and D. corynotricha. Digitaria lanuginosa and D. setigera are illustrated with details and Digitaria fragilis is illustrated for the first time.This paper includes synonymy, iconography, geographical distribution and ecology, uses, vernacular names, specimens examined, a  key for the identification of taxa is also given. Key words: Digitaria, Paniceae, Poaceae, Taxonomy, Bolivia.