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Miguelito answer key4/11/2023 ![]() 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. ![]() We included 224 species representing approximately 85% of the family ’ s genera. 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 ).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 diffi cult to understand. 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.
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