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18 results for “Borreria”
FIGURE 9 in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 9. Scanning electron microscopy (SEM) micrographs of seeds. Borreria heteranthera (A–C from A. J. Arruda, P. L. Viana, F. M. Santos, P. B. Mayer, T. J. Battituci & L. J. Arruda 826). A. Dorsal view. B. Ventral view. C. Detail of the reticulo-papillate testa and digitate cells. Borreria hispida (D–F from W. J. Burchell 8675). D. Dorsal view. E. Ventral view. F. Detail of the papillate testa surface and digitate cells. Borreria semiamplexicaule (G–I from A. J. Arruda, F. M. Santos, L. J. Arruda & T. J. Battituci 1095). G. Dorsal view. H. Ventral view. I. Detail of the reticulo-papillate testa. Borreria xanthophylla (J–L from J. J. de Granville, F. Crozier & C. Sarthou 15017). J. Dorsal view. K. Ventral view. L. Detail of the rugulate-papillate testa and digitate cells. Scale bar 200 μm.
FIGURE 6. Borreria semiamplexicaule E.L. Cabral. A. Habit. B. Stipular sheath. C. Terminal glomerule. D in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 6. Borreria semiamplexicaule E.L. Cabral. A. Habit. B. Stipular sheath. C. Terminal glomerule. D. Abaxial view of glomerule to display inflorescence bracts organization. E. Detail of external bract. F. Detail of internal bract. G. Flower. H. Hypanthium, style and stigma. I. Open corolla. J. Capsule. K. Internal view of mericarp to display septicidal dehiscence. L. Ventral view of seed. M. Dorsal view of seed. (A–C, G–I from Daly D. 1993, D–F from P. L. Viana, F. S. Marino, A. J. Arruda, T. B. Jorge & P. M. Burkowski 5269, L–M from P. L. Viana, F. S. Marino, A. J. Arruda, T. B. Jorge & P. M. Burkowski 5257, J–K from A. J. Arruda, F. M. Santos, L. J. Arruda & T. J. Battituci 928). Illustration by L. Simón.
FIGURE 1 in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 1. Scanning electron microscopy (SEM) micrographs of pollen grains. Borreria heteranthera (A–C from A. J. Arruda, P. L. Viana, F. M. Santos, P. B. Mayer, T. J. Battituci & L. J. Arruda 826). A. Equatorial view. B. Polar view. C. Detail of mesocolpium and a section of the colpus. Borreria hispida (D–E from R. Spruce 663; F from A. Gröger 986). D. Equatorial view. E. Polar view. F. Detail of mesocolpium and a section of the colpus. Borreria semiamplexicaule (G–H from P. M. Burkowski, A. J. Arruda, P. L. Viana, F. M. Santos & T. J. Battituci 1187; I from D. Daly, R. Callejas, M. G. da Silva, E. Taylor, C. Rosario & M. dos Santos 1993). G. Equatorial view. H. Polar view. I. Detail of apocolpium. Borreria xanthophylla (J–L from J. J. de Granville, F. Crozier & C. Sarthou 15017). J. Equatorial view. K. Polar view. L. Detail of apocolpium. Scale bar 10 μm.
FIGURE 3. Borreria heteranthera E.L. Cabral & Sobrado. A. Habit. B. Stipular sheath. C. Terminal glomerule. D in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 3. Borreria heteranthera E.L. Cabral & Sobrado. A. Habit. B. Stipular sheath. C. Terminal glomerule. D. Detail of external bract. E. Detail of internal bract. F. Flower. G. Hypanthium, style and stigma. H. Open corolla. I. Capsule. J. Internal view of mericarp to display septicidal dehiscence. K. Ventral view of seed. L. Dorsal view of seed. (A, B, F–H from P. L. Viana, L. M. Versieux, L. C. Garcia, V. T. Giorni, L. V. C. Silva & D. S. Silva 4094; C, I–L from A. J. Arruda, P. L. Viana, F. M. Santos, P. B. Mayer, T. J. Battituci & L. J. Arruda 909; D, E from A. J. Arruda, F. M. Santos, L. J. Arruda & T. J. Battituci 1099). Illustration by L. Simón.
FIGURE 2 in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 2. Scanning electron microscopy (SEM) micrographs of the pollen wall stratification, the inner nexine surface and the endoaperture morphology. A–B. Borreria hispida (from R. Spruce 663). A. Inside of pollen fragment with an endocingulum (EN) and nexine surface finely granular with broad and deep endocracks. B. Detail of a section of the endocingulum (EN) and the columellar infratectum (CI). C. Borreria semiamplexicaule (from D. Daly, R. Callejas, M. G. da Silva, E. Taylor, C. Rosario & M. dos Santos 1993). View of inner nexine surface finely granular with superficial irregular endocracks. Note the columellar infratectum (CI). D. Borreria xanthophylla (from J. J. de Granville, F. Crozier & C. Sarthou 15017). View of inner side of a portion of broken pollen showing the columellar infratectum (CI) and the finely granular inner nexine surface.
FIGURE 8. Borreria xanthophylla Bremek. A. Habit. B. Stipular sheath. C. Terminal glomerule. D in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 8. Borreria xanthophylla Bremek. A. Habit. B. Stipular sheath. C. Terminal glomerule. D. Detail of terminal glomerule to display fruits. E–F. Detail of external bracts. G. Detail of internal bract. H. Flower bud. I. Hypanthium, style and stigma. J. Open corolla. K. Capsule. L. Internal view of mericarp to display septicidal dehiscence. M. Ventral view of seed. N. Dorsal view of seed. (A–N from J. J. de Granville, F. Crozier & C. Sarthou 15017). Illustration by L. Simón.
FIGURE 5 in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 5. Borreria hispida Spruce ex K. Schum. A. Habit. B. Stipular sheath. C. Terminal glomerule. D. Flower. E. Hypanthium, style and stigma. F. Open corolla. G. Capsule. H. Internal view of mericarp to display septicidal dehiscence. I. Ventral view of seed. J. Dorsal view of seed. (A–J from R. Spruce 663). Illustration by L. Simón.
FIGURE 7. Borreria semiamplexicaule E.L. Cabral. A in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 7. Borreria semiamplexicaule E.L. Cabral. A. Flooded grassy fields with outcrop of ferrous rocks. B. Habit. C. Terminal glomerule. D. Detail of flower displaying the staminal organization. E. Terminal glomerule displaying the bipartite nectariferus disc. F. Detail of the sheathing bracts. Photographs A–D by P. L. Viana and E–F by A. J. Arruda.
FIGURE 4. Borreria heteranthera E.L. Cabral & Sobrado. A. Habit. B in Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
FIGURE 4. Borreria heteranthera E.L. Cabral & Sobrado. A. Habit. B. Detail of terminal glomerule. C. Flowers. Photographs by A. J. Arruda.
FIGURE 2. Borreria psyllocarpoides. A. Habit. B. Stipular sheath. C. Flower. D. Corolla, inner view. E in Two new species of Borreria (Spermacoceae, Rubiaceae) from the states of Goiás and Minas Gerais, Brazil
FIGURE 2. Borreria psyllocarpoides. A. Habit. B. Stipular sheath. C. Flower. D. Corolla, inner view. E. Calyx, style and stigma. F. Fruit. G. Dehiscent cocci. H. Seed, dorsal view. I. Seed, ventral view.
FIGURE 4 in Two new species of Borreria (Spermacoceae, Rubiaceae) from the states of Goiás and Minas Gerais, Brazil
FIGURE 4. Electronical microphotographs of pollen grain. A–B. Borreria minensis. A. Pollen grain. B. Detail of ectoaperture and exine. C–D. Borreria psyllocarpoides. C. Pollen grain. D. Detail of ectoaperture and exine. (Scale bars: A and C = 5 μm; B and D = 2 μm)
FIGURE 1. Borreria minensis. A. Habit. B. Stipular sheath. C. Flower. D. Corolla, inner view. E in Two new species of Borreria (Spermacoceae, Rubiaceae) from the states of Goiás and Minas Gerais, Brazil
FIGURE 1. Borreria minensis. A. Habit. B. Stipular sheath. C. Flower. D. Corolla, inner view. E. Calyx, style and stigma. F. Fruit. G. Seed, dorsal view. H. Seed, ventral view.
FIGURE 3. Borreria savannicola. A. Floral branch. B. Stipular sheath. C. Flower. D. Opened corolla. E in Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil
FIGURE 3. Borreria savannicola. A. Floral branch. B. Stipular sheath. C. Flower. D. Opened corolla. E. Hypanthium, calyx, style, and stigma. F. Capsule. G. Seed in ventral view. H. Seed in dorsal view. Illustration: L. Simón.
FIGURE 2. Borreria savannicola. A in Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil
FIGURE 2. Borreria savannicola. A. Vegetation of the locality. B. Stipule. C. Branch with glomerule and stipule. D.–E. Detail of the glomerule and insect landing on the glomerule. F. Glomerule with fruits, view from below. G. Glomerule with fruits, view from above. Photos: E.B. Souza.
FIGURE 5 in Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil
FIGURE 5. Anatomical features. Stem: A–C. Borreria savannicola. A. Showing stomata. B. Lamellar collenchyma. C. Vascular system respectively. D–F. Borreria scabiosoides. D. Stipular colleter showing raphides. E. Stem with angular collenchyma. F. Vascular system with cambium. Leaf blade: G–J. Borreria savannicola. G. Shows the midrib. H. Papillae. I. Phenolic idioblasts. J. Stomata. L–O. Borreria scabiosoides. L. Showing the midrib. M. The stomata and substomatic chambers. N. The spongy parenchyma with braciform cells. Arrow = raphides, LC = lamellar collenchyma, AC = angular collenchyma, PH = phloem and XY = xylem, Bar = 100µm in A, B, D and E, 200 µm in C, F and O and 400 µm in G, H and I.
FIGURE 5 in Two new species of Borreria (Spermacoceae, Rubiaceae) from the states of Goiás and Minas Gerais, Brazil
FIGURE 5. Geographic distribution of Borreria minensis and Borreria psyllocarpoides.
FIGURE 1 in Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil
FIGURE 1. Geographic location and AOO and EOO of Borreria savannicola.
FIGURE 4 in Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil
FIGURE 4. Microphotography of Borreria savannicola. A–C. Flower: A. Open bud. B. Open corolla. C. Detail of the stigma. D– E. Fruit: D. Capsule. E. Dehiscence valve in ventral view. F–H. Seed: F. Dorsal view. G. Ventral view. H. Detail of the exotestal. I– M. Pollengrain: I. Equatorialview. J. Polarview. K. Insideofpollengrain, detailofendoaperture. L. Exinebetweenectoaperture. M. Exine in polar view. Scale bars in each image.
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