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10 results for “Arundinarieae”
FIGURE 1. Chimonocalamus auriculatus. A in Chimonocalamus auriculatus, one more new temperate woody bamboo species of the genus (Poaceae: Bambusoideae: Arundinarieae) described from Thailand
FIGURE 1. Chimonocalamus auriculatus. A. Abaxial surface of a whole culm leaf; B. Portions of culm leaves, showing adaxial surface (left) and abaxial surface (right); C. Shoot; D. Portion of culm showing bud complement and nodes with a ring of root-thorns; E. Leafy branch. Drawn from S. Sungkaew, A. Teerawatananon & W. Sajia 1503 (BKF) by A. Teerawatananon.
FIGURE 2. Chimonocalamus auriculatus A in Chimonocalamus auriculatus, one more new temperate woody bamboo species of the genus (Poaceae: Bambusoideae: Arundinarieae) described from Thailand
FIGURE 2. Chimonocalamus auriculatus A. Habit; B. Foliage leaves; C. Young culm showing nodes with a ring of root-thorns; D. Branch complements; E. Clump habit; F. Shoot, showing deltoid lobed auricles with oral setae. Photos by A. Teerawatananon.
FIGURE 3 in A new genus and a major temperate bamboo lineage of the Arundinarieae (Poaceae: Bambusoideae) from Sri Lanka based on a multi-locus plastid phylogeny
FIGURE 3. The three different types of palea apices. A1—biapiculate (sinus shallow) palea apex of Yushania niitakayamensis (Hayata) P.-C. Keng (1957: 357) and A2—biapiculate (sinus shallow) palea apex of Bergbambos tessellata; B1—long-divided tips (sinus deep) palea of Arundinaria gigantea and B2—long-divided tips (sinus deep) palea of Fargesia spathacea Franchet (1893: 1067); C1—acute, undivided palea apex of A. debilis and C2—acute, undivided palea apex of Oldeania alpina (K. Schum.) Stapleton (2013: 100).
FIGURE 1. Percentage Potentially Informative Character values for all 11 chloroplast regions. For the regions rps16 in A new genus and a major temperate bamboo lineage of the Arundinarieae (Poaceae: Bambusoideae) from Sri Lanka based on a multi-locus plastid phylogeny
FIGURE 1. Percentage Potentially Informative Character values for all 11 chloroplast regions. For the regions rps16–trnQ, trnC– rpoB, trnD–trnT, trnT–trnL and ndhF 3' the PIC values include the outgroups. For the regions psbD-trnT, psbJ-petA and ycf6- psbM the PIC values include only the ingroup species.
FIGURE 2 in A new genus and a major temperate bamboo lineage of the Arundinarieae (Poaceae: Bambusoideae) from Sri Lanka based on a multi-locus plastid phylogeny
FIGURE 2. Strict consensus of 1019 most parsimonious trees based on the five-region cpDNA dataset (rps16–trnQ, trnC–rpoB, trnD–trnT, trnT–trnL, ndhF 3'). Shaded region indicates the well supported Sri Lankan Arundinaria clade. Numbers indicate bootstrap values ≥ 70% from MP and ML analyses and posterior probabilities ≥ 0.95 from the BI analyses, respectively. Note that Clade XI is not shown in the tree because it was unsampled.
Data from: Chloroplast phylogenomic analyses resolve deep-level relationships of an intractable bamboo tribe Arundinarieae (Poaceae)
The temperate woody bamboos constitute a distinct tribe Arundinarieae (Poaceae: Bambusoideae) with high species diversity. Estimating phylogenetic relationships among the 11 major lineages of Arundinarieae has been particularly difficult, owing to a possible rapid radiation and the extremely low rate of sequence divergence. Here we explore the use of chloroplast genome sequencing for phylogenetic inference. We sampled 25 species (22 temperate bamboos and 3 outgroups) for the complete genome representing 8 major lineages of Arundinarieae in an attempt to resolve backbone relationships. Phylogenetic analyses of coding versus noncoding sequences, and of different regions of the genome (large and small single-copy, and inverted repeats regions) yielded no well-supported contradicting topologies but potential incongruence was found between the coding and noncoding sequences. The use of various data partitioning schemes in analysis of the complete sequences resulted in nearly identical topologies and node support values, although the partitioning schemes were decisively different from each other as to the fit to the data. Our full genomic data set substantially increased resolution along the backbone and provided strong support for most relationships despite the very short internodes and long branches in the tree. The inferred relationships were also robust to potential confounding factors (e.g., long-branch attraction) and received support from independent indels in the genome. We then added taxa from the three Arundinarieae lineages that were not included in the full-genome data set; each of these were sampled for >50% genome sequences. The resulting trees not only corroborated the reconstructed deep-level relationships but also largely resolved the phylogenetic placements of these three additional lineages. Furthermore, adding 129 additional taxa sampled for only 8 chloroplast loci to the combined data set yielded almost identical relationships, albeit with low support values. We believe that the inferred phylogeny is robust to taxon sampling. Having resolved the deep-level relationships of Arundinarieae, we illuminate how chloroplast phylogenomics can be used for elucidating difficult phylogeny at low taxonomic levels in intractable plant groups.
Figure 1 from: Zhang Y-X, Ma P-F, Li D-Z (2018) A new genus of temperate woody bamboos (Poaceae, Bambusoideae, Arundinarieae) from a limestone montane area of China. PhytoKeys 109: 67-76. https://doi.org/10.3897/phytokeys.109.27566
Figure 1 Hsuehochloacalcarea. A, B Habit and habitat C Clump D Young culm with white pubescence E, F Branch complement G Culm sheath H Leaves I Inflorescence J Floret (A–D, G from P. F. Ma & Z. M. Cai 10050E, F, H from seedlings introduced from Libo, Guizhou, China I, J from P. F. Ma s.n). Scale bars: 5 cm (A–C); 0.5 cm (D, G); 2 cm (E, F); 1 cm (H, I); 1mm (J).
Supplementary material 1 from: Wang C-K, Guo R, Guo C-C, Yang G-Y, Zhang W-G (2023) Gelidocalamus zixingensis (Poaceae, Bambusoideae, Arundinarieae), a new species from southern China revealed by morphological and molecular evidence. PhytoKeys 218: 29-45. https://doi.org/10.3897/phytokeys.218.96849
Gelidocalamus zixingensis complete chloroplast genome sequences
Supplementary material 1 from: Li X, Ni J-B, Xia N-H (2023) The identity of Sasa oblongula C.H.Hu (Poaceae, Bambusoideae, Arundinarieae): evidence from morphology and molecular data. PhytoKeys 226: 17-32. https://doi.org/10.3897/phytokeys.226.101221
SNP matrix
Data from: Chloroplast phylogenomic analyses resolve deep-level relationships of an intractable bamboo tribe Arundinarieae (Poaceae)
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