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127 results for “leaf anatomy”
Figure 5 from: Martínez-Sagarra G, Abad P, Devesa JA (2017) Study of the leaf anatomy in cross-section in the Iberian species of Festuca L. (Poaceae) and its systematic significance. PhytoKeys 83: 43-74. https://doi.org/10.3897/phytokeys.83.13746
Figure 5 - Leaf cross-sections of the Festuca sect. Festuca species from lineage 2: A F. querana B F. ampla; from lineage 3: C F. borderei D F. capillifolia E F. plicata F F. clementei; and unknown: G F. henriquesii. Scale bars: 0.2 mm.
Figure 4 from: Martínez-Sagarra G, Abad P, Devesa JA (2017) Study of the leaf anatomy in cross-section in the Iberian species of Festuca L. (Poaceae) and its systematic significance. PhytoKeys 83: 43-74. https://doi.org/10.3897/phytokeys.83.13746
Figure 4 - Leaf cross-sections of the Festuca sect. Festuca species from lineage 1. A F. hystrix B F. reverchonii C F. segimonensis D F. indigesta E F. michaelis F F. glauca G F. vasconcensis H F. brigantina subsp. actiophyta (the arrow indicates inflated adaxial epidermal cells) I F. marginata subsp. andres-molinae J F. rivas-martinezii K F. frigida L F. alpina M F. glacialis. Scale bars: 0.2 mm.
Figure 3 from: Martínez-Sagarra G, Abad P, Devesa JA (2017) Study of the leaf anatomy in cross-section in the Iberian species of Festuca L. (Poaceae) and its systematic significance. PhytoKeys 83: 43-74. https://doi.org/10.3897/phytokeys.83.13746
Figure 3 - Simplified cladogram showing the major supraspecific relations in Festuca s.str., based and adapted on phylogenetic trees from Catalán et al. (2004), and Inda et al. (2008). Main leaf anatomical patterns are exemplified in each line evolutive. Abbreviations: L1, lineage 1; L2, lineage 2; and L3, lineage 3. Asterisks indicate sections which have been included in other subgenera by several authors (sect. Phaeochloa in the subgenus Drymanthele, and sects. Schedonorus and Plantynia in the subgenus Schedonorus).
Figure 2 from: Martínez-Sagarra G, Abad P, Devesa JA (2017) Study of the leaf anatomy in cross-section in the Iberian species of Festuca L. (Poaceae) and its systematic significance. PhytoKeys 83: 43-74. https://doi.org/10.3897/phytokeys.83.13746
Figure 2 - Major types of arrangement of sclerenchyma found in the leaf cross-sections. In conduplicate leaf blades: A continuous ring B interrupted continuous ring C forming abaxial strands and an adaxial strand on the median rib D with an abaxial girder at the median vascular bundle. In flat leaf blades: E complete (abaxial and adaxial) girder at the first vascular bundles, abaxial girder at the second vascular bundles, third vascular bundles without associated sclerenchyma.
Figure 1 from: Martínez-Sagarra G, Abad P, Devesa JA (2017) Study of the leaf anatomy in cross-section in the Iberian species of Festuca L. (Poaceae) and its systematic significance. PhytoKeys 83: 43-74. https://doi.org/10.3897/phytokeys.83.13746
Figure 1 - Main characters observed in the leaf cross-sections and abbreviations. Lines in grey indicate measures: 1 length (only in species with conduplicate blades) 2 maximum width 3 thickness of the blade at the midrib 4 maximum size/diameter of the median vascular bundle (MVB) 5 length × width of abaxial epidermal cells (AbEC) 6 length × width of adaxial epidermal cells (AdEC). Sclerenchyma (SCL); vascular bundles (VB'sVB's); ribs (R); trichomes (TRI); outer bundle sheath cells (OBS); and inner bundle sheath cells (IBS).
Figs. 8A-F. Leaf cross-sections showing central vascular bundles. A in Vegetative anatomy of some Brazilian Zygopetalinae (Orchidaceae)
Figs. 8A-F. Leaf cross-sections showing central vascular bundles. A. Promenaea rollisonii; B. Promenaea xanthine; C. Huntleya meleagris; D. Zygopetalum mackayi; E. Zygopetalum pedicellatum; F. Zygopetalum maxillarie. Bars: Figs. 8A-F = 100 μm.
Figs 7A-G. Leaf cross-sections. A in Vegetative anatomy of some Brazilian Zygopetalinae (Orchidaceae)
Figs 7A-G. Leaf cross-sections. A. Huntleya meleagris; B. Dichaea trulla; C. estomata of Dichaea trulla in superior position; D. Promenaea rollisonii; E. Paradisanthus micranthus; F. Zygopetalum maxillarie; G. Zygopetalum pedicellatum; H. Koellensteinia tricolor; I. Warczewiczella wailesiana. Bars: Figs. A, B; D-I = 100μm; Fig. C = 50μm.
FIGURE 3 in Begonia isadorae (Begoniaceae), a new endemic species from Ilha Grande, an island in southeastern Brazil, with notes on leaf anatomy
FIGURE 3. Distribution map of Begonia isadorae E.L.Jacques (dark dots).
FIGURE 2 in A new species of Paspalum, Notata group (Poaceae, Paspaleae), from the Cerrado biome, Brazil: description, chromosome number, and leaf blade anatomy
FIGURE 2. Distribution map of Paspalum cerradoense in the Cerrado biome, Brazil.
Figure 8 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 8 Within and between leaflet comparisons of Butia paraguayensis cross-sections A centre cross-section and those sections 5 cm and 10 cm to either side of it within the same middle leaflet B centre of middle leaflet and centres of the leaflets 18 cm and 36 cm to either side of it. Scale bars: 0.3 mm.
Figure 4 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 4 Anatomical changes of the leaflet margins in a 10 cm region to either side of the leaflet centre: Butia paraguayensis. PVB-SVB = primary vascular bundles transitioning to secondary vascular bundles; SVB-PVB = secondary vascular bundles transitioning to primary vascular bundles. Gone = vascular bundle has disappeared or nearly ended. Scale bar: 0.5 mm.
Figure 2 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 2 Carrot cube with leaflet sample secured within the carrot slit. Mid-rib of leaflet sample orientated parallel and adjacent to the side of the cube, ready to be placed in the hand-held microtome for sectioning.
Figure 12 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 12 Differences in the centre mid-rib cross-sections within plants of the same species and same accession (seed collected from the same mother plant), but growing under different environmental conditions resulting in a different stage of developmental plant and leaf maturity M, N are Butia paraguayensis plant accession 20060222*M and 20060222*N A, C are Butia yatay. plant accession 20040335*A and 20040335*C. Note the differences in the developmental stage of the plant above and its corresponding anatomy below.
Figure 11 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 11 Population and individual differences in Butia odorataA, B, D–H are from Rocha, Uruguay, C is from Tapes, RS, Brazil A 20060233*E B 20060233*G C contrasting stains make the abs from the Brazil specimen more visible D enlargement of A E enlargement of B F 20060234*M G 20060237*C H 20060240*A. Note that the presence of accessory bundles (ab) surrounding the mid-rib fibrous ring (MFR) is more apparent in the Brazil sample C partially due to the staining, but less apparent or absent from the Uruguay samples. Red arrows pointing out the abs in the Uruguayan samples and abs do not completely surround the MFR in F–H. Scale bars: 0.3 mm (A, B, F–H), 0.1 mm (C), 0.2 mm (D, E).
Figure 6 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 6 Anatomical changes of the leaflet margins in a 5 cm region to either side of the leaflet centre AB. yatayBB. odorata. Note no transitional changes in these margins. Scale bars: 0.5 mm.
Figure 10 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 10 Between leaflet anatomical changes. Centre cross sections of the middle leaflet of Butia paraguayensis, its two adjacent leaflets and the leaflet directly opposite it. Scale bars: 0.3 mm.
Figure 7 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 7 Within leaflet anatomical changes. Centre cross-section and cross-sections 5 cm to either side of it AButia paraguayensisBB. yatayCB. eriospathaDB. odorata. Scale bars: 0.3 mm.
Figure 3 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 3 Anatomical characters of leaflet cross-sections AButia odorata leaflet margin showing isolateral "mirrored" anatomy BB. yatay midrib. ab = accessory bundle; ET = expansion tissue; MFR = mid-rib fibrous ring; mv = miniveins; php = phloem pole; PVB = primary vascular bundle; SVB = secondary vascular bundle; TVB = tertiary vascular bundle; vb = vascular bundle or collateral vascular bundle; vbe = vascular bundle with enlarged sheath. Not all are labelled. Scale bars: 0.3 mm.
Figure 1 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 1 Leaf diagram showing which leaflets of the leaf and which sections of each leaflet that were sampled. * = regions that were only sampled in Butia paraguayensis.
Figure 9 from: Noblick LR, Sant'anna-Santos BF (2021) Diversity of leaf anatomy within a single leaflet and between leaflets of four Butia (Arecaceae, Arecoideae) species. PhytoKeys 180: 31-52. https://doi.org/10.3897/phytokeys.180.66018
Figure 9 Between leaflet anatomical changes. Centre cross sections of middle leaflet of AButia paraguayensis and the leaflets 18 cm to either side of it BB. yatay and the leaflets 20 cm to either side of it CB. eriospatha and the leaflets 20 cm to either side of it DB. odorata and the leaflets 20 cm to either side of it. Scale bars: 0.3 mm.
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