Schmelzer G. auteur aut IRD text journalArticle eng text/pdf reformatted digital access Section Brevivalvula is one of five sections in the large tropical grass genus Pennisetum. It belongs to the tertiary genepool of P. glaucum (L.) R. Br., pearl millet, and consists of six morphological taxa : P. atrichum Stapf and Hubb., P. hordeoides (Lam.) Steud., P. pedicellatum Trin., P. polystachion (L.) Schult., P. setosum (Swartz) L. Rich. and P. subangustum (Schum.) Stapf and Hubb., which together form a polyploid and agamic complex. Four euploid (x = 9) and twelve aneuploid chromosome levels have been found till now ; the polyploids are apomictic, while diploid populations of P. polystachion and P. subangustum are considered sexual. (Résumé d'auteur) specialized RESSOURCES VEGETALES SPONTANEES POLYPLOIDE APOMIXIE REPARTITION GEOGRAPHIQUE SYNTHESE 076AMEPLA06 97 1-20 1997 0014-2336 https://www.documentation.ird.fr/hor/fdi:010012150 10.1023/A:1003077906928 0014-2336 [F B010012150] https://www.documentation.ird.fr/hor/fdi:010012150 https://horizon.documentation.ird.fr/exl-doc/pleins_textes/pleins_textes_6/b_fdi_47-48/010012150.pdf IRD - Base Horizon / Pleins textes 1997-12-08 2017-08-07 fdi:010012150 fre