PHYLOGENETIC RELATIONSHIPS AND EVOLUTION OF GROWTH FORM IN CACTACEAE (CARYOPHYLLALES, EUDICOTYLEDONEAE)
Por:
Hernández-Hernández T., Hernández H.M., De-Nova, JA, Puente R., Eguiarte L.E., Magallón S.
Publicada:
1 ene 2011
Resumen:
Premise of the study : Cactaceae is one of the most charismatic plant families because of the extreme succulence and outstanding diversity of growth forms of its members. Although cacti are conspicuous elements of arid ecosystems in the New World and are model systems for ecological and anatomical studies, the high morphological convergence and scarcity of phenotypic synapomorphies make the evolutionary relationships and trends among lineages difficult to understand. Methods : We performed phylogenetic analyses implementing parsimony ratchet and likelihood methods, using a concatenated matrix with 6148 bp of plastid and nuclear markers (trnK/matK, matK, trnL-trnF, rpl16, and ppc). We included 224 species representing approximately 85% of the family's genera. Likelihood methods were used to perform an ancestral character reconstruction within Cactoideae, the richest subfamily in terms of morphological diversity and species number, to evaluate possible growth form evolutionary trends. Ke
Filiaciones:
Hernández-Hernández T.:
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Mexico City 04510, DF, Mexico
Hernández H.M.:
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Mexico City 04510, DF, Mexico
De-Nova, JA:
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Mexico City 04510, DF, Mexico
Puente R.:
Desert Botanical Garden, 1201 N. Galvin Parkway, Phoenix, AZ 85008, United States
Eguiarte L.E.:
Univ Nacl Autonoma Mexico, Inst Ecol, Mexico City 04510, DF, Mexico
Magallón S.:
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Mexico City 04510, DF, Mexico
All Open Access; Bronze
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