RT journal article
T1 AFLP and breeding system studies indicate vicariance origin for scattered populations and enigmatic low fecundity in the Moroccan endemic Hypochaeris angustifolia (Asteraceae), sister taxon to all of the South American Hypochaeris species
A1 Terrab, Anass
A1 Ortiz, María Ángeles
A1 Talavera, María
A1 Ariza, María Jesús
A1 Moriana, María del Carmen
A1 Garcia Castaño, Juan Luis
A1 Tremetsberger, Karin
A1 Stuessy, T.F.
A1 Baeza, Marcelo C.
A1 Urtubey, Estrella
A1 Ruas, Claudete de Fátima
A1 Casimiro-Soriguer Camacho, Ramón
A1 Balao, Francisco
A1 Gibbs, Peter E.
A1 Talavera, Salvador
A2 Biología
AB We used Amplified Fragment Length Polymorphism markers (AFLP) and breeding system studies to investigate the population structure and reproductive biology of Hypochaeris angustifolia (Asteraceae: Cichorieae). This species is endemic to altiplanos of the Atlas Mountains (Morocco) where it occurs in scattered populations, and it is the sister species to c. 40 species of this genus in South America. PCoA, NJ, and Bayesian clustering, revealed that the populations are very isolated whilst AFLP parameters show that almost all populations have marked genetic divergence. We contend that these features are more in accord with a vicariance origin for the scattered populations of H. angustifolia, rather than establishment by long-distance dispersal. The breeding system studies revealed that H. angustifolia is a self-incompatible species, with low fecundity in natural and in experimental crosses, probably due to a low frequency of compatible phenotypes within and between the populations.
PB Elsevier
SN 1055-7903
YR 2009
FD 2009
LK http://hdl.handle.net/10498/30325
UL http://hdl.handle.net/10498/30325
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 21-sep-2026