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189 results for “seed morphology”
FIGURE 2 in Seed Morphological and Anatomical Structures as Taxonomy Tool for Turkish Hyacinthella Schur (Asparagaceae) Taxa
FIGURE 2. (Continued) The SEM pictures of the examined Hyacinthella taxa; 7: H. lineata, 8: H. micrantha, 9: H. nervosa, 10: H. siirtensis and 11: H. venusta (black arrow indicates secondary structures on the surface).
FIGURE 2 in Seed Morphological and Anatomical Structures as Taxonomy Tool for Turkish Hyacinthella Schur (Asparagaceae) Taxa
FIGURE 2. The SEM pictures of the examined Hyacinthella taxa; 1: H. acutiloba, 2: H. campanulata, 3: H. glabrescens, 4: H. heldreichii, 5: H. hispida, 6: H. lazulina.
FIGURE 3 in Seed Morphological and Anatomical Structures as Taxonomy Tool for Turkish Hyacinthella Schur (Asparagaceae) Taxa
FIGURE 3. (Continued) The seed anatomical structures of the examined Hyacinthella taxa; 9: H. nervosa, 10: H. siirtensis and 11: H. venusta (t= testa, co= cotyledon, e= epidermis, se= subepidermis, sm= storage material, em= embryo).
FIGURE 3 in Seed Morphological and Anatomical Structures as Taxonomy Tool for Turkish Hyacinthella Schur (Asparagaceae) Taxa
FIGURE 3. (Continued) The seed anatomical structures of the examined Hyacinthella taxa; 5: H. hispida, 6: H. lazuline, 7: H. lineata, 8: H. micrantha (t= testa, co= cotyledon, e= epidermis, se= subepidermis, sm= storage material, em= embryo).
FIGURE 1 in Seed morphology of Boschniakia sensu lato (Orobanchaceae) and its taxonomical implications
FIGURE 1. Micromorphology of seeds of the studied species in SEM micrographs (surfaces). A–E: Boschniakia rossica. F–J: B. himalaica. K–O: Kopsiopsis hookeri. P–T: K. strobilacea. A,B,F,G,K,L,P,Q: general habit of seeds selected to show the variability of external shape (K,L,P,Q—seeds with most of the diaphragms still present). C–E, H–J, M–O, R–T: enlargements of cells and reticulate sculpture (C,H,M,R—seeds with interrupted diaphragms); black arrows indicate the diaphragms; white arrows beginning with an 'x' indicate the shaft between cells in B. rossica (D); normal white arrows show the narrow trough continuous in B. himalaica (I), K. hookeri (N) and K. strobilacea (S). Scale bars 1 μm (E), 10 μm (B–D,I,J,O,S,T), 100 μm (A,F–H,K–N,P–R).
FIGURE 7 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 7. Cross section of selected seed of Thalictrum petaloideum (A, B), T. rochebruneanum (C, D), T. simplex (E, F), T. uchiyamae (G, H), T. tuberiferum (I, J), T. minus (K, L). Abbreviations: end, endosperm; ext, exotesta; mst, mesotesta; vb, vascular bundle. Scale bars: 500 μ (A, C, E, G, I and K), 50 μ (B, D, F, H, J and L).
FIGURE 6 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 6. Cross section of selected seed of Thalictrum actaefolium (A, B), T. aquilegiifolium (C, D), T. baicalense (E, F), T. coreanum (G, H), T. filamentosum (I, J) and T. minus var. hypolecum (K, L). Abbreviations: end, endosperm; ext, exotesta; mst, mesotesta; vb, vascular bundle. Scale bars: 500 μ (A, C, E, G, I and K), 50 μ (B, D, F, H, J and L).
FIGURE 3 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 3. Morphological relationships among the Thalictrum species as displaced by MDA canonical discriminant functions (A, species numbers as in figure 2) and UPGMA cluster diagram (B). Different colors represent different sections: · = Physocarpum, · = Erythrandra, · = Thalictrum, · = Camptonotum, and · = Tripterium
FIGURE 1 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 1. Seed contour shape drawn using Fourier coefficients estimated under principal component score (+2SD, zero, and -2SD).
FIGURE 2 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 2. Boxplots of four selected seed features among the Thalictrum species. 1. T. actaefolium, 2. T. aquilegiifolium, 3. T. filamentosum, 4. T. rochebruneanum, 5. T. simplex, 6. T. uchiyamae, 7. T. baicalense, 8. T. coreanum, 9. T. minus var. hypolecum, 10. T. petaloidium, 11. T. tuberiferum, and 12. T. minus.
FIGURE 5 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 5. SEM micrograph of selected seed of Thalictrum petaloideum (A, B), T. rochebruneanum (C, D), T. simplex (E, F), T. uchiyamae (G, H), T. tuberiferum (I, J), T. minus (K, L). Scale bars: 600 μ (A, C, G, I and K), 400 μ (E), 50 μ (B, D, F, H, J and L).
FIGURE 4 in Seed morphology of 12 taxa of the genus Thalictrum L. (Thalictroideae, Ranunculaceae) and its systematic implication
FIGURE 4. SEM micrograph of selected seed of Thalictrum actaefolium (A, B), T. aquilegiifolium (C, D), T. baicalense (E, F), T. coreanum (G, H), T. filamentosum (I, J) and T. minus var. hypolecum (K, L). Scale bars: 1 mm (C), 600 μ (A, E, G, I and K), 50 μ (B, D, F, H, J and L).
FIGURE 1 in Systematic significance of seed morphology in Acanthophyllum (Caryophyllaceae: tribe Caryophylleae) in Iran
FIGURE 1. Scanning electron micrographs of seeds.A, B. A. acerosum (sect.Acanthophyllum); C, D. A. crassifolium (sect.Acanthophyllum); E, F. A. microcephalum (sect. Acanthophyllum); G, H. A. bracteatum (sect. Macrostegia); I, J. A. gracile (sect. Macrostegia); K, L. A. leucostegium (sect. Macrostegia); M, N. A. adenophorum (sect. Oligosperma); O, P. A. brevibracteatum (sect. Oligosperma); Q, R. A. caespitosum (sect. Oligosperma); S, T. A. ejtehadii (sect. Oligosperma).
FIGURE 3 in Systematic significance of seed morphology in Acanthophyllum (Caryophyllaceae: tribe Caryophylleae) in Iran
FIGURE 3. Key seed features and morphological synapomorphies of the studied Acanthophyllum sections are summarized on a simplified phylogenetic tree of Acanthophyllum s.l. adopted from Pirani et al. (2014). Sectional placement follows Pirani et al. (2014). Selected characters are mentioned below the nodes. Seed characteristics of section Allochrusa are based on Amini et al. (2011). Colored boxes highlight the sections discussed in this study. Species in quotes indicate taxa that their exclusion from the currently assigned sections is supported by seed characters. * indicates parallel evolution (convergence); ** indicates reversal.
FIGURE 2 in Systematic significance of seed morphology in Acanthophyllum (Caryophyllaceae: tribe Caryophylleae) in Iran
FIGURE 2. Scanning electron micrographs of seeds. A, B. A. heratense (sect. Oligosperma); C, D. A. heterophyllum (sect. Oligosperma); E, F. A. korshinskyi (sect. Oligosperma); G, H. A. laxiusculum (sect. Oligosperma); I, J. A. pachystegium (sect. Oligosperma); K, L. A. speciosum (sect. Oligosperma); M, N. A. crassinodum (sect. Pleiosperma); O, P. A. glandulosum (sect. Pleiosperma); Figs. Q, R. A. sordidum (sect. Pleiosperma); S, T. A. spinosum (sect. Pleiosperma).
FIGURE 6 in Seed morphology of Epilobium and Chamaenerion (Onagraceae) in Turkey
FIGURE 6. Chamaenerion angustifolium (a1–a4), Chamaenerion colchicum (b1–b4), Chamaenerion dodonaei (c1–c4), Chamaenerion stevenii (d1–d4)
FIGURE 5 in Seed morphology of Epilobium and Chamaenerion (Onagraceae) in Turkey
FIGURE 5. Epilobium roseum subsp. consimile (a1–a4), Epilobium roseum subsp. roseum (b1–b4), Epilobium roseum subsp. subsessile (c1–c4), Epilobium tetragonum subsp. lamyi (d1–d4), Epilobium tetragonum subsp. tetragonum (e1–e4), Epilobium tetragonum subsp. tournefortii (f1–f4)
FIGURE 2 in Seed morphology of Epilobium and Chamaenerion (Onagraceae) in Turkey
FIGURE 2. Epilobium algidum (a –a ) Epilobium alpestre (b –b ) Epilobium anagallidifolium (c –c ), Epilobium anatolicum (d –d )
FIGURE 1 in Seed morphology of Epilobium and Chamaenerion (Onagraceae) in Turkey
FIGURE 1. Valuable characters used in the seed description. A. morphological appearance of beaked or beakless seed, B. smooth periclinal wall, C. papillate (crest-like) periclinal wall, D. faveolate periclinal wall, E. conical papillae with spirally furrow, F. semispherical papillae with radially furrow at base, G. cylindrical papillae with parallel furrow, H. cylindrical papillae with irregular furrow, I. striate ornamentation, J. rough ornamentation, K. ruminate ornamentation, L. rugose ornamentation
FIGURE 13. Cardamine unguiculus seed morphology. A in A taxonomic revision of Cardamine L. (Brassicaceae) in New Zealand
FIGURE 13. Cardamine unguiculus seed morphology. A. Whole seed with finely reticulate surface (scale bar 100 um). B. Finely reticulate surface (scale bar 100 um). C. Finely reticulate surface (scale bar 10 um). D. Terminal margin wing indicated by double-headed arrow (scale bar 100 um).
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