Taxonomic revision of Roldana (Asteraceae: Senecioneae), a genus of the southwestern U.S.A., Mexico, and Central America
A revision of the genus Roldana La Llave (Asteraceae: Senecioneae) is given, including a key to species and complete nomenclature with synonymies, description, distribution, and discussion sections for 48 species; eight varieties are recognized and 11 new combinations are made, including one species transfer to the genus Psacaliopsis H. Rob. and Brettell. A phytogeography section for the genus, which is distributed throughout the highlands of Mexico and Central America, with one species entering the southwestern-most U.S.A., is also included. New combinations are established for R. acutangula (Bertol.) Funston, R. aliena (B. L. Rob. and Seaton) Funston, R. hartwegii var. carlomasonii (B. L. Turner and T. M. Barkley) Funston, R. hartwegii var. durangensis (H. Rob. and Brettell) Funston, R. hartwegii var. subcymosa (H. Rob.) Funston, R. kerberi var. calzadana (B. L. Turner) Funston, R. kerberi var. manantlanensis (R. R. Kowal) Funston, R. petasitis var. cristobalensis (Greenm.) Funston, R. petasitis var. oaxacana (Hemsl.) Funston, R. petasitis var. sartorii (Sch. Bip. ex Hemsl.) Funston, as well as for the excluded taxon P. pinetorum (Hemsl.) Funston and Villaseñor. Neotypes are designated for Cineraria platanifolia Schrank, R. ehrenbergiana (Klatt) H. Rob.
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| Format: | Texto biblioteca |
| Language: | eng |
| Subjects: | Roldana, Taxonomía vegetal, Asteraceae, Artfrosur, |
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