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147 results for “Panicoideae”
FIGURE 4 in On the taxonomic position of Panicum scabridum (Poaceae, Panicoideae, Paspaleae)
FIGURE 4. Scanning electron micrographs of the upper anthecia of Coleataenia scabrida. A. Apex of the upper lemma and palea with simple papillae. B. Apex of the upper lemma with simple papillae. Zuloaga et al. 4384. Scale: 100 µm.
FIGURE 1 in On the taxonomic position of Panicum scabridum (Poaceae, Panicoideae, Paspaleae)
FIGURE 1. Strict consensus tree obtained in the parsimony analysis of the combined (ndhF + morphology) Panicoid matrix, including C. scabrida (see arrow). Bootstrap support levels are shown below branches.
FIGURE 3. Coleataenia scabrida. A. Habit. B. Ligular region. C. Spikelet, lateral view. D. Spikelet, ventral view. E. Spikelet, dorsal view. F. Upper anthecium, dorsal view. G. Upper anthecium, ventral view. H in On the taxonomic position of Panicum scabridum (Poaceae, Panicoideae, Paspaleae)
FIGURE 3. Coleataenia scabrida. A. Habit. B. Ligular region. C. Spikelet, lateral view. D. Spikelet, ventral view. E. Spikelet, dorsal view. F. Upper anthecium, dorsal view. G. Upper anthecium, ventral view. H. Upper palea, with lodicules and flower. I. Caryopsis, embryo view. J. Caryopsis, hilum view. Based on Zuloaga et al. 4384, V. Dudas, illustrator.
FIGURE 2 in On the taxonomic position of Panicum scabridum (Poaceae, Panicoideae, Paspaleae)
FIGURE 2. Strict consensus trees (only the Arthropogoninae subtribe is shown) obtained in parsimony analysis of the ndhf Panicoid matrix, including C. scabrida (see arrow). Bootstrap support levels are shown above branches. A. Analysis includes Triscenia ovina. B. Analysis excludes T. ovina.
FIGURE 5. Leaf anatomy. A–B in On the taxonomic position of Panicum scabridum (Poaceae, Panicoideae, Paspaleae)
FIGURE 5. Leaf anatomy. A–B, Coleataenia scabrida; A, transverse leaf section; B, abaxial epidermis. C, Coleataenia prionitis; transverse leaf section. A and C, inner mestome sheath with chloroplasts indicated by arrows. A, Zuloaga et al. 4384; B, Davidse 5444; C, reproduced from Zuloaga et al. (1989). Scale: A, 25 µm; B, C, 50 µm.
FIGURE 2 in A new species and two new taxon records of Digitaria (Poaceae: Panicoideae) for Thailand
FIGURE 2. SEM micrographs of Digitaria thailandica, D. setigera var. calliblepharata, and D. thyrsoidea. A–C. Digitaria thailandica: A. pedicels and rachis; B. spikelet abaxial face; C. spikelet adaxial face (from B. Boonsuk 590). D–F. Digitaria setigera var. calliblepharata: D. spikelet abaxial face; E. spikelet adaxial face; F. bulbous-based setaceous hairs on lower lemma (from B. Boonsuk 463). G–I. Digitaria thyrsoidea: G. pedicels and rachis; H. spikelet abaxial face; I. spikelet adaxial face (from B. Boonsuk 427). Scale bar: A–E & G–I = 200 µm, F = 30 µm.
FIGURE 1. Digitaria thailandica B in A new species and two new taxon records of Digitaria (Poaceae: Panicoideae) for Thailand
FIGURE 1. Digitaria thailandica B. Boonsuk, Chantar. & Hodk., sp. nov. A. habit of flowering plant; B. sheath, blade and ligule; C. part of inflorescence, showing setae on rachis and the bases of racemes; D. rachis and pedicels; E. spikelet, abaxial face view; F. spikelet, adaxial view; G. upper floret, adaxial view; H. upper floret, abaxial view (from B. Boonsuk 590). Drawn by W. Thammarong.
FIGURE 2 in A taxonomic revision of the genus Dimeria (Poaceae: Panicoideae) in Thailand
FIGURE 2. Dimeria fuscescens (A–B), A. Habit and habitat on rocky ground, B. Inflorescence showing the arrangement of racemes and flowering spikelets. D. ornithopoda var. ornithopoda (C–D), C. Habitat on rocky ground, D. Inflorescence showing the arrangement of racemes. D. sinensis (E–F), E. Habit and habitat in paddy field, F. Inflorescences. D. kurzii (G) Inflorescences showing flowering spikelets.
FIGURE 1 in A taxonomic revision of the genus Dimeria (Poaceae: Panicoideae) in Thailand
FIGURE 1. Raceme rhachis characteristics of Thai Dimeria species. A. Rhachis filiform (D. velutina). B. Rhachis flattened, slightly ridged or convex (D. fuscescens). C. Rhachis flattened, slightly ridged (D. kerrii). D. Rhachis flattened and convex on the upper surface (D. kurumthotticalana). E. Rhachis flattened, slightly ridged or convex on upper surface (D. sinensis). F–G. Rhachis flattened (D. kurzii). H. Rhachis triangular (D. ornithopoda). Scale bar = 5 mm.
FIGURE 4 in Critical review of the nomenclature and taxonomy of Sorghastrum canescens (Poaceae: Panicoideae: Andropogoneae), an endemic Brazilian species
FIGURE 4. Scanning electron microscopy of Sorghastrum canescens (G. Eiten & L. Eiten 4414, UB). A. Detail of the pilose region of the awn. B. Spikelet. C. Lemma surface.
FIGURE 2 in Critical review of the nomenclature and taxonomy of Sorghastrum canescens (Poaceae: Panicoideae: Andropogoneae), an endemic Brazilian species
FIGURE 2. Geographic distribution of Sorghastrum canescens, S. incompletum var. incompletum, and Sorghastrum incompletum var. bipennatum.
FIGURE 1 in Critical review of the nomenclature and taxonomy of Sorghastrum canescens (Poaceae: Panicoideae: Andropogoneae), an endemic Brazilian species
FIGURE 1. Variation of the four characters used to test the delimitation of Sorghastrum canescens based on measures taken from herbarium samples. Differences in the median values have statistical significance for every character according to the Kruskal-Wallis test (p = 0.01 for spikelet length; p = 0.02 for spikelet width; p <0.01 for awn length; p <0.01 for awn/spikelet length proportion).
FIGURE 3. Sorghastrum canescens. A. Habit. B in Critical review of the nomenclature and taxonomy of Sorghastrum canescens (Poaceae: Panicoideae: Andropogoneae), an endemic Brazilian species
FIGURE 3. Sorghastrum canescens. A. Habit. B. Apex of the leaf sheath with auricles, ligular region, and base of the leaf blade. C. Spikelet and awn. D. Spikelet, lower glume view. E. Spikelet, upper glume view. F. Upper glume, ventral view. G. Lower glume, ventral view. H. Base of the awn. I. Detail of the twisted region of the awn. J. Anthers. Drawn from G. Eiten & L. Eiten 4414 (UB).
FIGURE 3 in A new species of Paspalum (Paspaleae, Panicoideae, Poaceae) from Ario de Rosales, México, with partially homogenized synflorescences
FIGURE 3. Caryopses in dorsal (left) and ventral (right) views, and stained cross-sections showing the starch grains. A–B. Paspalum prodigiosum Sánchez-Ken. C–D. Paspalum paniculatum L. E–F. Paspalum squamulatum E. Fourn.
FIGURE 4 in A new species of Paspalum (Paspaleae, Panicoideae, Poaceae) from Ario de Rosales, México, with partially homogenized synflorescences
FIGURE 4. Stereomicroscope images of vegetative and reproductive characters of Paspalum paniculatum L. (A–C) and P. prodigiosum Sánchez-Ken (D–H). A. and D. Ligular area, adaxial view (pseudoligule: left arrow; ligule: right arrow). B. Apex of a primary branch showing an apical 3-flowered spikelet. C. Spikelets (left two: 2-flowered; right: 3-flowered) and H. Spikelets (first: 3-flowered; right two: 2-flowered). E. Segment of a primary branch, proximal region showing secondary and tertiary branches (arrows). F. Segment of a primary branch, proximal region showing a short secondary branch with three spikelets (arrow). G. Segment of a primary branch, proximal region showing a 3-flowered spikelet (arrow).
FIGURE 2 in A new species of Paspalum (Paspaleae, Panicoideae, Poaceae) from Ario de Rosales, México, with partially homogenized synflorescences
FIGURE 2. Leaf anatomy of Paspalum prodigiosum Sánchez-Ken (A–B) and P. paniculatum L. (D–F). A and D. Leaf blade cross section. B and E. Leaf-blade paradermical section, abaxial surface. C and F. Leaf-blade paradermical section, adaxial surface. ab ep = abaxial epidermis, ad ep = adaxial epidermis, b c = bulliform cells, bs = bundle sheath, c z = costal zone, i z = intercostal zone, l c = long cell, m = mesophyll or chlorenchyma tissue, mah = macrohair base, mb = macrohair base, mih = microhair, p = prickles, ph = phloem, s = sclerenchyma, s c = short cells, si b = silica bodies, s c = short cells, st = stomate, vb = vascular bundle, x = xylem.
FIGURE 1 in A new species of Paspalum (Paspaleae, Panicoideae, Poaceae) from Ario de Rosales, México, with partially homogenized synflorescences
FIGURE 1. Paspalum prodigiosum Sánchez-Ken. A. Habit. B. Ligular area, adaxial view. C. Segment of a primary branch showing a 3-flowered spikelet (arrow). D. Spikelet, second glume dorsal view. E. Spikelet, sterile lemma ventral view. F. Fertile floret, fertile lemma view. G. Fertile floret, fertile palea view. H. Caryopsis, embryo view. I. Caryopsis, hilum view. Drawn from Sánchez-Ken et al. 995 (IEB).
FIGURE 5 in A new species of Paspalum (Paspaleae, Panicoideae, Poaceae) from Ario de Rosales, México, with partially homogenized synflorescences
FIGURE 5.Type locality (red star) of Paspalum prodigiosum Sánchez-Ken in Ario de Rosales, Michoacan, Mexico.
FIGURE 5 in Lectotypifications in Imperata (Poaceae: Panicoideae: Andropogoneae)
FIGURE 5. Lectotype of Imperata minutiflora Hack. (Barranca s.n., W [W1916-0034721]). Reproduced with the permission of the Naturhistorisches Museum Wien Herbarium (W). Image available: https://w.jacq.org/W19160034721
FIGURE 4 in Lectotypifications in Imperata (Poaceae: Panicoideae: Andropogoneae)
FIGURE 4. Lectotype of Imperata brevifolia Vasey (Parish & Parish 1031, US [US00134029]). Courtesy of the United States National Herbarium (US), Smithsonian Institution. Image available: http://n2t.net/ark:/65665/36cb978d7-6493-4713-8a0c-ca9a4c3dc58f
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