2 research outputs found
Contribution to the karyological knowledge of Echinops (Asteraceae, Cardueae) and related genera
8 p., 25 figures.[EN] Twenty-six chromosome counts were made of several genera of the tribe Cardueae from various European and Asian
provenances: Acantholepis (one species studied), Amphoricarpus (1), Chardinia (1), Echinops (14 species, 15 populations),
Siebera (1), Staehelina (3) and Xeranthemum (4). Eleven of the reports are made for the first time, ten confirm
previous counts, while the remainder report disparities with earlier records. The existence of different basic
chromosome numbers and ploidy levels suggests dysploidy and polyploidy as the main mechanisms of chromosomal
evolution in the taxa considered.Peer reviewe