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134 results for “infrageneric classification”
Figures 10–11 in Notes on South American stingless bees of the genus Scaptotrigona (Hymenoptera: Apidae), Part III: A revised infrageneric classification and new species
Figures 10–11. Mesosomal dorsa of Scaptotrigona Moure. 10. Scaptotrigona (Gymnotrigona) hellwegeri (Friese). 11. S. (Astegotrigona) wheeleri (Cockerell).
Figures 12–14 in Notes on South American stingless bees of the genus Scaptotrigona (Hymenoptera: Apidae), Part III: A revised infrageneric classification and new species
Figures 12–14. Worker of Scaptotrigona (Eoscaptotrigona) totobi, new species. 12. Lateral habitus. 13. Dorsal habitus. 14. Facial view.
Figures 7–9 in Notes on South American stingless bees of the genus Scaptotrigona (Hymenoptera: Apidae), Part III: A revised infrageneric classification and new species
Figures 7–9. Worker of Scaptotrigona (Dasytrigona) fulvicutis (Moure). 7. Lateral habitus. 8. Facial view. 9. Posterolateral view of metasomal dorsum.
Data from: Phylogeny and evolution of the neotropical radiation of Lachemilla (Rosaceae): uncovering a history of reticulate evolution and implications for infrageneric classification
Reticulate evolution often leads to incongruence between nuclear and plastid phylogenies and comparisons between them have been used as a first approximation to disentangle patterns of hybridization. Because other processes like incomplete lineage sorting and phylogenetic error also produce similar incongruence patterns, additional sources of evidence must be incorporated. Here we focus on reconstructing the phylogeny of genus Lachemilla using nuclear ribosomal ITS and plastid trnL-F DNA sequences, and explore widespread patterns of cytonuclear discordance in this group. Lachemilla is a highly morphologically variable group of perennial herbs and shrubs, and a nearly ubiquitous member of the diverse Neotropical high-altitude grasslands. Our analyses identified four major clades within Lachemilla that are in part congruent with previous morphological classifications of the group. Furthermore, using multiple sources of evidence, including a procrustean approach to cophylogeny estimation, coalescent-based simulations, phylogenetic networks, chromosome counts, and genome size estimations, we also revealed a large-scale pattern of incongruence between the plastid and nuclear phylogenies in Lachemilla, which is mainly the result of widespread hybridization and polyploidy. We also estimated that the origin of Lachemilla in South America (~14.5 mya) predates the "rapid-uplift" diversification model that has been suggested for other high species-richness Andean plant clades, but following the formation of the high-elevation Andean grasslands during the last 5 mya, a rapid accumulation of particular nested lineages occurred has contributed to the ubiquitous presence of Lachemilla in these biomes.
Figure 19 in Notes on South American stingless bees of the genus Scaptotrigona (Hymenoptera: Apidae), Part III: A revised infrageneric classification and new species
Figure 19. Lateral habitus of worker of Scaptotrigona (Gymnotrigona) hellwegeri (Friese).
Data from: Phylogeny and evolution of the neotropical radiation of Lachemilla (Rosaceae): uncovering a history of reticulate evolution and implications for infrageneric classification
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Data from: Advancing Pyrus phylogeny: Deep genome skimming-based inference coupled with paralogy analysis yields a robust phylogenetic backbone and an updated infrageneric classification of the pear genus (Maleae, Rosaceae)
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Supplementary material 1 from: Shepherd KA, Lepschi BJ, Johnson EA, Gardner AG, Sessa EB, S. Jabaily R (2020) The concluding chapter: recircumscription of Goodenia (Goodeniaceae) to include four allied genera with an updated infrageneric classification. PhytoKeys 152: 27-104. https://doi.org/10.3897/phytokeys.152.49604
Summary of GenBank accession numbers, Taxon names, Project numbers, Herbarium Accession numbers, voucher collectors and collection numbers, phylogenetic position and taxonomy and classification according to Shepherd et al.
Data from: Plastid and seed morphology data support revised infrageneric classification and African origin of the pantropical genus Xylopia (Annonaceae)
The floristic treatment of Engler and Diels, published in 1901, provides the only infrageneric classification of the pantropical genus Xylopia (Annonaceae). Here we test and extend that classification using molecular and seed morphology characters. Phylogenetic relationships were reconstructed using data from four plastid regions obtained from 44 of the approximately 165 species in the genus, recovering four well-supported major clades. Seed characters were examined for these taxa, and six aril morphologies, three previously undocumented, were distinguished; we also document the presence of a sarcotesta on the seeds of many species. Molecular and seed data support recognition of five sections within the genus; one, Xylopia sect. Rugosperma, is proposed here as new. Our phylogenetic results suggest an African origin for the genus and reveal complex biogeographic patterns, likely facilitated by long-distance dispersal.
Supplementary material 5 from: Gaudeul M, Sweeney P, Munzinger J (2024) An updated infrageneric classification of the pantropical species-rich genus Garcinia L. (Clusiaceae) and some insights into the systematics of New Caledonian species, based on molecular and morphological evidence. PhytoKeys 239: 73-105. https://doi.org/10.3897/phytokeys.239.112563
Molecular phylogeny of Garcinia L. based on a combined ITS and chloroplast DNA (psbM-trnD, trnQ-rps16 and rps16-trnK) dataset and Bayesian inference
Fig. 1. Bayesian 50 in A molecular phylogeny of Boronia (Rutaceae): placement of enigmatic taxa and a revised infrageneric classification
Fig. 1. Bayesian 50% majority-rule consensus tree from the combined analysis of two nuclear (ITS, ETS) and three plastid markers (psbA–trnH, trnL–trnF and rbcL), with thick lines showing supported clades (≥0.95 PP). Jackknife percentages from MP analysis are indicated with symbols above branches: 100% JK (closed triangle); 90–99% JK (closed circle); 75–89% JK (open triangle); 50–74% JK (open circle). New or revised sectional assignments are indicated in bold. Section Boronia clade has been collapsed and is shown in detail in Fig. 2.
FIGURE. 1 in A revised infrageneric classification of Bellevalia Lapeyr. (Asparagaceae: Scilloideae) based on molecular analysis
FIGURE. 1. Cilia at the leaf margin. a) B. dubia, MPU, 017875, (type specimen). b) B. dubia, MA, 01-00021987. c) B. macrobotrys, TARI, 62698. d) B. glauca, TARI, 19421. e) B. longistyla, IAUM, 51. f) B. saviczii, IAUM, 33. g) B. speciosa, TARI, 11924. h) B. heweri, IAUM, 123. × 400.
FIGURE. 2 in A revised infrageneric classification of Bellevalia Lapeyr. (Asparagaceae: Scilloideae) based on molecular analysis
FIGURE. 2. Phylogenetic tree of matK region resulting from the Bayesian inference of four sections of Bellevalia. The sections are based on the Feinbrun's (1940) classification. Numbers at nodes represent posterior probability values.
FIGURE. 5 in A revised infrageneric classification of Bellevalia Lapeyr. (Asparagaceae: Scilloideae) based on molecular analysis
FIGURE. 5. Phylogenetic tree of trnL-F spacer chloroplastic region resulting from the Bayesian inference of four sections of Bellevalia. The sections are based on the Feinbrun's (1940) classification. Numbers at nodes represent posterior probability values.
FIGURE. 6 in A revised infrageneric classification of Bellevalia Lapeyr. (Asparagaceae: Scilloideae) based on molecular analysis
FIGURE. 6. Phylogenetic tree of four chloroplastic regions resulting from the Bayesian inference of four sections of Bellevalia. The sections are based on the Feinbrun's (1940) classification. Numbers at nodes represent posterior prob.
FIGURE. 4 in A revised infrageneric classification of Bellevalia Lapeyr. (Asparagaceae: Scilloideae) based on molecular analysis
FIGURE. 4. Phylogenetic tree of trnL intron chloroplastic region resulting from the Bayesian inference of four sections of Bellevalia. The sections are based on the Feinbrun's (1940) classification. Numbers at nodes represent posterior probability values.
FIGURE. 3 in A revised infrageneric classification of Bellevalia Lapeyr. (Asparagaceae: Scilloideae) based on molecular analysis
FIGURE. 3. Phylogenetic tree of rbcL chloroplastic region resulting from the Bayesian inference of four sections of Bellevalia. The sections are based on the Feinbrun's (1940) classification. Numbers at nodes represent posterior probability values.
Supplementary material 2 from: Pellegrini MOO (2017) Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11-72. https://doi.org/10.3897/phytokeys.89.20388
Supplementary material 2 from: Pellegrini MOO (2017) Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11-72. https://doi.org/10.3897/phytokeys.89.20388
Supplementary material 1 from: Pellegrini MOO (2017) Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11-72. https://doi.org/10.3897/phytokeys.89.20388
Supplementary material 1 from: Pellegrini MOO (2017) Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11-72. https://doi.org/10.3897/phytokeys.89.20388
Fig. 2. Bayesian 50 in A molecular phylogeny of Boronia (Rutaceae): placement of enigmatic taxa and a revised infrageneric classification
Fig. 2. Bayesian 50% majority-rule consensus tree from the combined analysis of two nuclear (ITS, ETS) and three plastid markers (psbA–trnH, trnL–trnF and rbcL) showing the expanded section Boronia clade from Fig. 1. Thick lines show supported clades (≥0.95 PP). Jackknife percentages from MP analysis are indicated with symbols above branches: 100% JK (closed triangle); 90–99% JK (closed circle); (75–89% JK (open triangl)e; 50–74% JK (open circle). New or revised series assignments are indicated in bold.
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International Brain Laboratory public data
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OpenNeuro
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