Chromosome stuides in American paniceae (Poaceae-Panicoideae

SEDE, S.M.; ESCOBAR, A.; MORRONE, O; ZULOAGA, F.O.

ANNALS OF THE MISSOURI BOTANICAL GARDEN

MISSOURI BOTANICAL GARDEN

Lugar: Missouri; Año: 2010 vol. 97 p. 128 - 138

0026-6493

Chromosome numbers and meiotic behavior of 60 individuals of American Paniceae, Poaceae, are provided, including six previously uncounted species: Axonopus andinus G. A. Black (2n 5 20), A. iridifolius (Poepp.) G. A. Black (2n 5 20),Axonopus andinus G. A. Black (2n 5 20), A. iridifolius (Poepp.) G. A. Black (2n 5 20), Dichanthelium hebotes (Trin.) Zuloaga (2n 5 18), Paspalum geminiflorum Steud. (2n 5 ca. 20), P. heterotrichon Trin. (2n 5(Trin.) Zuloaga (2n 5 18), Paspalum geminiflorum Steud. (2n 5 ca. 20), P. heterotrichon Trin. (2n 5 20), and Setaria tenacissima Schrad. ex Schult. (2n 5 36). Of the remaining 54 counts, 17 correspond to new ploidy levels in species of Echinochloa P. Beauv., Eriochloa Kunth, Hymenachne P. Beauv., Panicum L., Parodiophyllochloa Zuloaga & Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. species of Echinochloa P. Beauv., Eriochloa Kunth, Hymenachne P. Beauv., Panicum L., Parodiophyllochloa Zuloaga & Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. species of Echinochloa P. Beauv., Eriochloa Kunth, Hymenachne P. Beauv., Panicum L., Parodiophyllochloa Zuloaga & Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. species of Echinochloa P. Beauv., Eriochloa Kunth, Hymenachne P. Beauv., Panicum L., Parodiophyllochloa Zuloaga & Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Setaria tenacissima Schrad. ex Schult. (2n 5 36). Of the remaining 54 counts, 17 correspond to new ploidy levels in species of Echinochloa P. Beauv., Eriochloa Kunth, Hymenachne P. Beauv., Panicum L., Parodiophyllochloa Zuloaga & Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Echinochloa P. Beauv., Eriochloa Kunth, Hymenachne P. Beauv., Panicum L., Parodiophyllochloa Zuloaga & Morrone, Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports.Paspalum L., and Setaria P. Beauv., and 37 are confirmations of previous reports. Key words: America, chromosome numbers, Paniceae, Panicoideae, Poaceae.America, chromosome numbers, Paniceae, Panicoideae, Poaceae.