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11 results for “Aulonemia”
Herbarium specimen image of Aulonemia pumila L.G.Clark & Londoño, part of the collection of Royal Botanic Gardens, Kew
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Data from: A multi-locus plastid phylogeny of the Aulonemia clade (Poaceae: Bambusoideae: Bambuseae: Arthrostylidiinae) reveals three new genera of bamboo
<p>Arthrostylidiinae (Poaceae: Bambusoideae), a subtribe of Neotropical woody bamboos with diverse morphology, comprises 200 species classified in 16 genera. Previous studies supported monophyly of the subtribe and recovered four major internal clades, however, some genera were found to be polyphyletic while others, like <em>Aulonemia</em> and <em>Colanthelia,</em> were either undersampled or not included. <em>Aulonemia</em> and <em>Colanthelia</em> are complex both in their taxonomy and morphology, and exhibit overlapping morphological characters. Prior morphological and molecular analyses suggested they share a close relationship, with <em>Colanthelia </em>emerging as monophyletic and either nested within <em>Aulonemia</em> or sister to it,<em> </em>but these studies sampled relatively few species of each genus. The aims of this study were to increase taxon sampling to test the monophyly of <em>Aulonemia</em> and <em>Colanthelia, </em>to investigate the relationships within the <em>Aulonemia </em>+ <em>Colanthelia </em>clade, and to revise their classification as appropriate towards a natural classification of the Arthrostylidiinae. We present a multi-locus plastid phylogeny of the Arthrostylidiinae with emphasis on <em>Aulonemia </em>and <em>Colanthelia</em>. We used sequences of seven plastid markers (one coding: <em>ndhF</em>; six non-coding:<em> trnC-rpoB, rps16-trnQ, trnT-trnL, rps16, trnD-trnT, </em>and <em>rpl16</em>) from 67 taxa of Bambusoideae including all genera of Arthrostylidiinae. Phylogenetic trees were inferred using both Bayesian and maximum likelihood methods. <em>Aulonemia</em> was confirmed as polyphyletic and <em>Colanthelia</em> was not supported as monophyletic. The phylogenetic position of <em>Myriocladus </em>within Arthrostylidiinae is resolved for the first time. All species of <em>Colanthelia</em> were recovered within the clade containing most species of <em>Aulonemia</em>. Four species of <em>Aulonemia</em> (<em>A. radiata</em>, <em>A. effusa</em>, <em>A. setosa</em>, and <em>A. setigera</em>) grouped in other clades within the subtribe and these placements combined with morphological evidence support the establishment of three new genera: <em>Quixiume</em>, <em>Stelanemia</em> and <em>Vianaea</em>, to accommodate the four remarkable <em>Aulonemia</em> species. An updated key for the genera of the Arthrostylidiinae is provided, as well as taxonomic treatments for the three new genera, including the description of a new species in <em>Stelanemia</em>.</p>
Data from: A multi-locus plastid phylogeny of the Aulonemia clade (Poaceae: Bambusoideae: Bambuseae: Arthrostylidiinae) reveals three new genera of bamboo
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FIGURE. Cladosporium aulonemiae (VIC 44413, holotype). A–D. Colonies on A. Potato dextrose agar; B. Malt extract agar; C. Oatmeal agar; D. Synthetic nutrient-poor agar, after 14 days at 25 ºC, under near-ultraviolet light, respectively. E–G. Macronematous conidiophores and numerous conidia; H–I. Formation of loci in close succession; I. Spread polysaccharide-like material; J. Micronematous conidiophores; K. Ramoconidia and conidia; L. Microcyclic conidiogenesis; M. Stromatic hyphal aggregation. Scale bars: E–M = 20 µM. in Six new species of Cladosporium associated with decayed leaves of native bamboo (Bambusoideae) in a fragment of Brazilian Atlantic Forest
FIGURE. Cladosporium aulonemiae (VIC 44413, holotype). A–D. Colonies on A. Potato dextrose agar; B. Malt extract agar; C. Oatmeal agar; D. Synthetic nutrient-poor agar, after 14 days at 25 ºC, under near-ultraviolet light, respectively. E–G. Macronematous conidiophores and numerous conidia; H–I. Formation of loci in close succession; I. Spread polysaccharide-like material; J. Micronematous conidiophores; K. Ramoconidia and conidia; L. Microcyclic conidiogenesis; M. Stromatic hyphal aggregation. Scale bars: E–M = 20 µM.
FIGURE 2. A–B. Arthrostylidium excelsum. A. Foliage complement. B. Branch complement. C–D. Aulonemia laxa. C in Morphological keys to the genera and species of bamboos (Poaceae: Bambusoideae) of Mexico
FIGURE 2. A–B. Arthrostylidium excelsum. A. Foliage complement. B. Branch complement. C–D. Aulonemia laxa. C. Culm showing the leaves in the apical portion. D. Detail of the ligular area, showing fimbriae. E–F. Merostachys sp.. E. Branches. F. Foliage complement, abaxial view showing the narrow green marginal stripe. A–D photos by E. Ruiz-Sanchez, E–F photos by M. T. Mejía-Saulés.
FIGURE 4. Aulonemia prolifera. A. Habit. B. Sterile branch. C in Three new species of Aulonemia (Poaceae: Bambusoideae) from the Brazilian Atlantic rainforest
FIGURE 4. Aulonemia prolifera. A. Habit. B. Sterile branch. C. Leaf ligular region, emphasizing the fimbriae and pseudopetiole. D. Detail of leaf sheath, with fimbriae along its margin. E–F. Amphipodial rhizome. G. Ramification (Viana 3537). Photographs A–D by C.N. Fraga, E–G by P.L. Viana.
FIGURE 1. Aulonemia cincta. A in Three new species of Aulonemia (Poaceae: Bambusoideae) from the Brazilian Atlantic rainforest
FIGURE 1. Aulonemia cincta. A. Flowering branch, in detail the corky girdle at the base of leaf sheath. B. Leaf ligular region, emphasizing the fimbriae and pseudopetiole. C. Spikelet. D. Glume I, adaxial view. E. Glume II, adaxial view. F. Anthoecium and rachilla internode in lateral view. G. Palea, abaxial and lateral views (Kummrow 1704). Illustrated by Myrian M. Duarte.
FIGURE 3. Aulonemia prolifera. A. Amphipodial rhizome. B. Midculm nodal region. C in Three new species of Aulonemia (Poaceae: Bambusoideae) from the Brazilian Atlantic rainforest
FIGURE 3. Aulonemia prolifera. A. Amphipodial rhizome. B. Midculm nodal region. C. Leaf ligular region, emphasizing the fimbriae and pseudopetiole. D. Flowering branch. E. Spikelet. F. Glume I, adaxial view. G. Glume II, adaxial view. H. Anthoecium and rachilla internode in lateral view. I. Palea, abaxial view. J. Lodicules. J. Ovary. K. Anther. A–C. Viana 3537, D–K. Kolmann 6986. Illustrated by Myrian M. Duarte.
FIGURE 2. Aulonemia cincta. A–B. Habit. C–E in Three new species of Aulonemia (Poaceae: Bambusoideae) from the Brazilian Atlantic rainforest
FIGURE 2. Aulonemia cincta. A–B. Habit. C–E. Culms with culm leaves (E., detail of the corky girdle in the base of leaf sheath). F. Sterile branch, showing conspicuous bicolored leaf blades. G. Leaf ligular region, emphasizing the fimbriae and pseudopetiole (Viana 4401). Photographs by P. L. Viana.
FIGURE 5. Aulonemia soderstromii. A. Amphipodial rhizome. B. Midculm nodal region. C. Leaf ligular region, with the conspicuously effuse fimbriae. D. Flowering branches. E. Spikelet. F. Glume I. G. Glume II. H in Three new species of Aulonemia (Poaceae: Bambusoideae) from the Brazilian Atlantic rainforest
FIGURE 5. Aulonemia soderstromii. A. Amphipodial rhizome. B. Midculm nodal region. C. Leaf ligular region, with the conspicuously effuse fimbriae. D. Flowering branches. E. Spikelet. F. Glume I. G. Glume II. H. Anthoecium and rachilla internode in lateral view. I. Palea, abaxial view. J. Lodicules. K. Gynoecium and androecium (Viana 3183). Illustrated by Myrian M. Duarte.
FIGURE 6. Aulonemia soderstromii. A. Habit. B in Three new species of Aulonemia (Poaceae: Bambusoideae) from the Brazilian Atlantic rainforest
FIGURE 6. Aulonemia soderstromii. A. Habit. B. Ramifications at the apical portion of the culm. C–D. Sterile branches, with the conspicuously effuse fimbriae. E. Flowering branches. F–G. Spikelets (Viana 3183). Photographs by P.L. Viana.
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