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- Title
Is Persea (Lauraceae) monophyletic? Evidence from nuclear ribosomal ITS sequences.
- Authors
Rohwer, Jens C.; Jie Li; Rudolph, Barbara; Schmidt, Sabrina A.; van der Werff, Henk; Hsi-wen Li
- Abstract
The delimitation of genera within the Persea group (Lauraceae) has always been controversial. In an attempt to resolve the phylogenetic lines within this group, we analyzed ITS sequences of 61 species of the Persea group (Lauraceae) and 30 other species of Lauraceae. Several of the traditional genera or subgenera form well-supported groups, viz., Persea subg. Eriodaphne, Machilus, Persea subg. Persea, and Alseodaphne including Dehaasia. The included species of Phoebe form two clades that are unresolved with respect to Alseodaphne. However, Persea subg. Eriodaphne (together with the Macaronesian Apollonias barbujana) forms one of the clades of an unresolved basal trichotomy within the Persea group, whereas Persea subg. Persea is well supported as member of an otherwise Asian dade including Alseodaphne and Phoebe. This indicates that Persea, as currently circumscribed, is not monophyletic. The affinities of the Macaronesian Persea indica are clearly American rather than Asian.
- Subjects
PERSEA; NUCLEOTIDE sequence; PLANT phylogeny; MOLECULAR phylogeny; RIBOSOMAL DNA
- Publication
Taxon, 2009, Vol 58, Issue 4, p1153
- ISSN
0040-0262
- Publication type
Article
- DOI
10.1002/tax.584009