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5 results for “Archerythroxylum”
Data from: Phylogenetic inference in section Archerythroxylum informs taxonomy, biogeography, and the domestication of coca (Erythroxylum species)
This investigation establishes the first sequence-based phylogenetic hypothesis of species relationships in the Coca family (Erythroxylaceae). We focused our phylogenomic inference on the largest taxonomic section in the genus Erythroxylum (Archerythroxylum O. E. Schulz) using concatenation and gene tree reconciliation methods from hybridization-based target capture of 427 genes. We show that Neotropical Erythroxylum are monophyletic within the Paleotropical lineages, yet Archerythroxylum and all of the other taxonomic sections from which we sampled multiple species lack monophyly. We mapped phytogeographic states onto the tree and found some concordance between these regions and clades. The wild species E. gracilipes and E. cataractarum are most closely related to the cultivated E. coca and E. novogranatense but relationships within this "coca" clade remain equivocal, suggesting a more complicated origin than Plowman's single-domestication hypothesis. Our results point to the difficulty of morphology-based intrageneric classification in this clade and highlight the importance of integrative taxonomy in future systematic revisions. In compliance with data protection regulations, please contact the publication office if you would like to have your personal information removed from the database.
FIGURE 3 in A new variety of Erythroxylum ulei from the Cordillera Escalera of Peru (Archerythroxylum, Erythroxylaceae)
FIGURE 3. Phylogenetic relationships of E. ulei and close relatives based on ASTRAL summary tree of 544 gene trees. This clade was extracted from a larger phylogenetic inference including 203 Erythroxylaceae species. Node labels show local posterior probability; branch lengths are arbitrary.
FIGURE 1. E. ulei var. escalerense A in A new variety of Erythroxylum ulei from the Cordillera Escalera of Peru (Archerythroxylum, Erythroxylaceae)
FIGURE 1. E. ulei var. escalerense A) Habitat of E. ulei var. escalerense, Rio Cachiyacu at base of the Cordillera Escalera range, Loreto, Peru. B) Flowering and fruiting branchlet. C) Leaves. Bar = 10 mm. D) Fruit detail, notice apparent pubescence. E) Young foliar stipule; mature stipules are larger but frequently lose setae. F) Flower detail. Bar = 10 mm. Photo credits: A=Alvaro del Campo; B,D,E = David Neill; C,F=Dawson White.
Data from: Phylogenetic inference in section Archerythroxylum informs taxonomy, biogeography, and the domestication of coca (Erythroxylum species)
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FIGURE 2 in A new variety of Erythroxylum ulei from the Cordillera Escalera of Peru (Archerythroxylum, Erythroxylaceae)
FIGURE 2. Habit of E. ulei var. escalerense. Bar = 50 mm.
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