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36 results for “seed micromorphology”
Fig. 4. Fruit and seed micromorphology. A–H. Psyllocarpus itakangapyra Sobrado, J.A.M.Carmo & R.M in Two new species of Psyllocarpus (Spermacoceae, Rubiaceae) from the state of Minas Gerais, southeastern Brazil
Fig. 4. Fruit and seed micromorphology. A–H. Psyllocarpus itakangapyra Sobrado, J.A.M.Carmo & R.M.Salas sp. nov.; P.L. Viana et al. 4415 (CTES). A–E. Capsule. A. Dehiscent capsule, lateral view. B. Valve, dorsal view. C. Valve, ventral view. D. Cross section capsule. E. Septum. F–H. Seed. F. Dorsal view. G. Ventral view, with diffuse strophiole. H. Detail of the testa. I–P. P. vianae Sobrado, J.A.M.Carmo & R.M.Salas sp. nov.; P.L. Viana et al. 5887 (CTES). I–M. Capsule. I. Dehiscent capsule, lateral view. J. Valve, dorsal view. K. Valve, ventral view. L. Cross section of the valve, seed, and septum. M. Septum. N–P. Seed. N. Dorsal view. O. Ventral view. P. Detail of the testa. Abbreviations: s = seed; se = septum; v = valve. Scale bars: A–G, I–O = 200 µm; H, P = 20 µm.
FIGURE 1 in Micromorphology of seeds of three Mexican species of Pinguicula (Lentibulariaceae) show autofluorescence using confocal laser scanning microscopy
FIGURE 1. Confocal laser scanning microscopy images showing the micromorphological features of Pinguicula seeds. A–D. Pinguicula casperi; E–H. P. parvifolia; I–L. P. oblongiloba. A, E and I are a general view of the entire seeds (20×, scale bar 100 μm); B, F and J show the micropylar end (60×, scale bar 20 μm); D, H, and L show the chalazal end of the seed (60×, scale bar 20 μm); C, G and K show the surface details of the seeds (100×, scale bar 10 μm).
FIGURE 2 in Seed Micromorphology of Eleven Species of Pleione (Orchidaceae)
FIGURE 2. Correlation heat map of seed epidermis characters of 11 Pleione species. Me. represent Mesh, SCO represent Seed coat ornamentation, CA represent Cell alignment, Mur. represent Mursh, L. represent Length, S. represent Shape, V. represent Volume, W. represent Width, RT represent Ridge thickness.
FIGURE 1 in Seed Micromorphology of Eleven Species of Pleione (Orchidaceae)
FIGURE 1. Seed epidermal morphology characteristics of 11 species of Pleione by SEM. a. A) P. bulbocodioides, b. B) P. coronaria, c. C) P. formosana, d. D) P. forrestii, e. E) P. hookeriana, f. F) P. limprichtii, g. G) P. maculata, h. H) P. pleionoides, i. I) P. praecox, j. J) P. scopulorum, k. K) P. yunnanensis.
FIGURE 2 in Low and high elevation Heliosperma species (Caryophyllaceae)-insight based on chromosome number, pollen characters and seed micromorphology
FIGURE 2. Chromosome number and pollen characters in Heliosperma spp. Somatic chromosome number (2n = 26) in root meristematic cell of H. pusillum subsp. chromodontum (a), pollen size, shape and viability after Alexander staining in H. macranthum (green—non-viable and purple—viable pollen grains inserted) (b).
FIGURE 5 in Low and high elevation Heliosperma species (Caryophyllaceae)-insight based on chromosome number, pollen characters and seed micromorphology
FIGURE 5. Factorial analysis of mixed data (FAMD) of seeds characters and hierarchical clustering on its principal components (HCPC). Distribution of the quantitative variables (a). Distribution of the qualitative variables (b); 2-4rows—number of rows in crest; 1- 2chambers—number of hilum chambers; marginal/middle—hilum location; brown/black—colour of seed; present/lack—waxes in hilum chambers; matt/shiny—surface type. Variation of elevation variable (c). Variation of habitat variable (numbers correspond to NATURA 2000 codes) (d). Five clusters of species identified by Hierarchical Clustering on Principal Components (HCPC) (e). ALP—H. alpestre; MAC—H. macranthum; RET—H. retzdorffianum; NIC—H. nikolicii; OLI—H. oliverae; PUS—H. pusillum subsp. pusillum; ALB—H. pusillum subsp. albanicum; MARK—H. pusillum subsp. markgrafii; MON—H. pusillum subsp. monachorum; CAN—H. pusillum var. candavicum; CHROM—H. pusillum subsp. chromodontum.
FIGURE 4 in Low and high elevation Heliosperma species (Caryophyllaceae)-insight based on chromosome number, pollen characters and seed micromorphology
FIGURE 4. Seed microstructure in Heliosperma spp. a0–a3 and b0–b3 general seed view, c0–c3 view of cells near crest (dorsal view), d0–d3 view of the cells near the hilum (ventral view), e0–e3—view of the hilum. a0–e0—H. macranthum, a1–e1—H. pusillum subsp. chromodontum, a2–e2—H. retzdorffianum, a3–e3—H. pusillum ssp. markgrafii. Bars in a0–a3 = 500 µm, b0–b3 = 250 µm, c0–c3, d0–d3, e0–e3 = 30 µm.
FIGURE 3 in Low and high elevation Heliosperma species (Caryophyllaceae)-insight based on chromosome number, pollen characters and seed micromorphology
FIGURE 3. Capsules of Heliosperma macranthum (a) and H. retzdorffianum (b, c). Note seeds sticked to the pubescent plants (arrows in c).
FIGURE 4 in Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae)
FIGURE 4. Seed and leaf micromorphology of Saponaria prostrata subsp. prostrata, S. pumilio, S. tridentata.
FIGURE 5 in Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae)
FIGURE 5. Leaf mesophyll structure of the Saponaria: a) unifacial mesophyll in S. glutinosa, b) bifacial mesophyll in S. officinalis, c) equifacial mesophyll in S. mesogitana.
FIGURE 3 in Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae)
FIGURE 3. Seed and leaf micromorphology of Saponaria pamphylica, S. picta, S. pinetorum var. elatior, S. prostrata subsp. anatolica, S. prostrata subsp. calvertii.
FIGURE 2 in Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae)
FIGURE 2. Seed and leaf micromorphology of Saponaria karapinarensis, S. kotschyi, S. mesogitana, S. officinalis, S. orientalis.
FIGURE 1 in Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae)
FIGURE 1. Seed and leaf micromorphology of Saponaria calabrica, S. dalmasii, S. glutinosa, S. halophila.
FIGURE 5 in Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae)
FIGURE 5. (Continued) Leaf mesophyll structure of the Saponaria: a) unifacial mesophyll in S. glutinosa, b) bifacial mesophyll in S. officinalis, c) equifacial mesophyll in S. mesogitana.
FIGURE. 2 in A seed micromorphology study of Astragalus sect. Caprini (Leguminosae- Papilionoideae) from NE Iran
FIGURE. 2(G–N). Electron-micrographs of seeds coat ornamentation: G) A. macroplematus subsp. pseudobuchtormensis H) A. nephtonensis I) A. pellitus J) A. pseudokurrumensis K) A. renzianus. L) A. schmidii M) A. subrosulariformis N) A. touranicus. Magnification ×1000.
FIGURE 2 in A seed micromorphology study of Astragalus sect. Caprini (Leguminosae- Papilionoideae) from NE Iran
FIGURE 2(A–F). Electron-micrographs of seeds coat ornamentation: A) A. assadii B) A. callainus C) A. controversus D) A. esferyenicus E) A. jarmolenkoi F) A. kashmarensis
FIGURE 7 in Seed micromorphology of representatives of holoparasitic Orobanchaceae genera from the Caucasus region and its taxonomic significance
FIGURE 7. Cluster analysis (unweighted pair group method with arithmetic mean, UPGMA, method of classification and Gower's general similarity coefficient) performed on 22 quantitative or qualitative characters of seeds.
FIGURE 3 in Seed micromorphology of representatives of holoparasitic Orobanchaceae genera from the Caucasus region and its taxonomic significance
FIGURE 3. Scanning electron micrographs of selected Orobanchaceae seeds. A–C: Orobanche kurdica. D–F: O. schelkovnikovii. G–I: O. zajaciorum. J–L: O. raddeana. M–O: O. laxissima. Scale bars: 10 μm (B, C, E–L, N, O), 100 μm (A, D, M).
FIGURE 5 in Seed micromorphology of representatives of holoparasitic Orobanchaceae genera from the Caucasus region and its taxonomic significance
FIGURE 5. Scanning electron micrographs of selected Orobanchaceae seeds. A–C: Phelipanche sevanensis. D–F: P. heldreichii. G–I: P. libanotica. J–L: P. cilicica. M–O: P. bungeana. Scale bars: 10 μm (B, C, E–I, K, L, N, O), 100 μm (A, D, J, M).
FIGURE 8 in Seed micromorphology of representatives of holoparasitic Orobanchaceae genera from the Caucasus region and its taxonomic significance
FIGURE 8. Box and whisker plots of selected macro- and micro-morphological characters of Orobanchaceae seeds. Points indicate the mean values (open square), boxes represent 25 and 75% percentiles, and range (whiskers) represents 1 and 99% percentiles. Numbers indicated examined species (see Table 2).
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OpenNeuro
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