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20 results for “Lithophyllum”
FIG. 5 in Lithophyllum artabricum V.Peña, sp. nov. (Corallinales, Rhodophyta): a cryptic species in the Atlantic Iberian Peninsula hitherto assigned to Lithophyllum stictiforme (Areschoug) Hauck
FIG. 5. — Tetra/bisporangial conceptacles of Lithophyllum artabricum V.Peña, sp. nov.: A, B, chambers dumbbell-shaped, empty; C, canal pore conical, tapering from the bottom to the roof surface; D, central calcified columella; E, buried conceptacles within the thallus; F, buried conceptacle with inorganic infilling. A, SANT-Algae 7046; B-D, E, holotype SANT-Algae 33667; F, SANT-Algae 15005. Scale bars: A, B, D, 100 µm; C, 50 µm; E, 500 µm; F, 200 µm.
FIG. 3 in Lithophyllum artabricum V.Peña, sp. nov. (Corallinales, Rhodophyta): a cryptic species in the Atlantic Iberian Peninsula hitherto assigned to Lithophyllum stictiforme (Areschoug) Hauck
FIG. 3. — Phylogenetic tree inferred from maximum likelihood (ML) and Bayesian inference of psbA sequences included in the present study. In bold Lithophyllum species reported for the European coasts. Bootstrap ML values>60% and posterior probabilities>0.60 from Bayesian inference shown for each node. Scale bar: 0.03 substitutions per site.
FIG. 2 in Lithophyllum artabricum V.Peña, sp. nov. (Corallinales, Rhodophyta): a cryptic species in the Atlantic Iberian Peninsula hitherto assigned to Lithophyllum stictiforme (Areschoug) Hauck
FIG. 2. — Maximum Likelihood (ML) tree of COI-5P sequences included in the present sudy. In bold Lithophyllum species reported for the European coasts. Bootstrap ML values>60% shown for each node. Scale bar: 0.03 substitutions per site.
FIG. 4 in Lithophyllum artabricum V.Peña, sp. nov. (Corallinales, Rhodophyta): a cryptic species in the Atlantic Iberian Peninsula hitherto assigned to Lithophyllum stictiforme (Areschoug) Hauck
FIG. 4. — Morpho-anatomy of Lithophyllum artabricum V.Peña, sp. nov.: A, B, vertical section of the thallus showing a monomerous thallus construction with non-coaxial medulla; C, vertical section of the thallus showing cortical cells disposed in filaments laterally aligned; D, vertical section of the thallus showing a monomerous thallus construction with coaxial medulla, and a tetra/bisporangial uniporate conceptacle empty and buried; E, F, Vertical section of the thallus showing secondary pit-connections between contiguous filaments of cortical cells (arrows) and epithallial cells flattened disposed in 1-2 layers (arrowheads), G, surface view of the thallus showing polygonal epithallial cells; H, I, surface view of two different development stages of tetra/bisporangial uniporate conceptacles showing the pore flush with thallus surface (arrows). A, H, SANT-Algae 11671; B, C, holotype SANT-Algae 33667; D, E, SANT-Algae 26900; F, SANT-Algae 7046; G, SANT-Algae 11683; I, SANT-Algae 15006. Scale bars: A, B, D, 200 µm; C, G-I, 50 µm; E, F, 20 µm.
APPENDIX 2 in Lithophyllum artabricum V.Peña, sp. nov. (Corallinales, Rhodophyta): a cryptic species in the Atlantic Iberian Peninsula hitherto assigned to Lithophyllum stictiforme (Areschoug) Hauck
APPENDIX 2. — Lithophyllum stictiforme (Areschoug) Hauck in Algarve, South Portugal (SANT-Algae 27308): A, habitat of the specimen collected on bedrock at 17 m depth; B, vertical section of the thallus showing a monomerous thallus construction. Scale bar: 500 µm.
FIG. 1 in Lithophyllum artabricum V.Peña, sp. nov. (Corallinales, Rhodophyta): a cryptic species in the Atlantic Iberian Peninsula hitherto assigned to Lithophyllum stictiforme (Areschoug) Hauck
FIG. 1. — Habitat and habit of Lithophyllum artabricum V.Peña, sp. nov.: A-D, characteristic habitat of this species growing in subtidal bedrock, sometimes sciophilous, in the type locality (A), and other Galician localities (B-D, Cedeira, Cambre and Sisargas, respectively); E, F, gross morphology consisted on foliose lamellae or fan-like thallus, single or superimposed (arrow) observed in the specimen SANT-Algae 15006 (E) and in the holotype (F, SANT-33667); G, lower surface of the specimen showing concentric lines, particularly visible at the margins as the remaining surface is covered by sessile invertebrates (SANT-Algae 11666). Scale bars: E, 2 cm; F, G, 1 cm.
FIGURE 10 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 10. Lithophyllum socotraense sp. nov. A) The holotype, sample DB635, a rhodolith, conserved in TRH. Note the lumpy growthform. The sample has been cut for histological analyses. B) Microscopical anatomy of a fertile thallus, slide DB635-SO20b_9. C) Sparse trichocytes (arrow) in the perithallus (p) of sample DB636, slide DB636-SO25b_7; e = epithallial cells. D) Same as in C, detail of ventral hypothallial cells (h) and the dimerous organization of the thallus. E) Same as in C, magnification of trichocytes (t). F) Flattened epithallial cells (e) in slide DB635-SO20b_10. G) Tetrasporangial conceptacle with central columella in the holotype, SEM stub 09062010b6. H) Holotype sample DB635. Tetrasporangial conceptacle in slide DB635-SO20b_10; inset: a tetraspore, slide DB635-SO20b_7.
FIGURE 11 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 11. Lithophyllum yemenense sp. nov. A) The holotype, sample DB567 conserved in TRH. B) Appearance of a fertile portion of the holotype; h=hypothallus; p=perithallus; e=epithallial cells, slide DB567-13y4. C) Same as in B, detail of secondary pit-connections (arrow) and trichocytes (t). D) Magnification of the flattened epithallial cells (e), slide DB567-13y2. E) Detail of B to show the dimerous organization with a ventral one-cell layer of hypothallial cells (h) each one giving rise to the perithallial filaments, slide DB567-13y5. F) Uniporate tetrasporangial conceptacle chamber with floor showing a central columella, slide DB567-13y2.
FIGURE 13 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 13. Phylogenetic analysis inferred from psbA including sequences from GenBank (with either incomplete or doubtful identification) and the type specimens of L. socotraense and L. yemenense. Supports at nodes are bootstrap values (1000 replicates).
FIGURE 4 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 4. The syntype collection of Lithophyllum kaiseri Heydrich in TRH. A) Box A20-1264 in TRH. B) The carton box containing the syntype collection of L. kaiseri. C) Thin sections 6 and 1150, part of the collection A20-1264. Only slide 6 is here retained as part of the lectotype, because of the uncertain origin of slide 1150. D) The two specimens A20-1264 in TRH. The small plant (arrow) is here selected as lectotype of L. kaiseri. The larger specimen is excluded because of its uncertain origin.
FIGURE 12. L in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 12. L. yemenense sp. nov., male and carposporangial plants. A) Male conceptacle with unbranched spermatangial filaments, slide DB563-4ya4. B) Carposporangial conceptacle with short peripheral gonimoblast filaments (arrow) bearing terminal carposporangia. Sample DB569, slide DB569-10y5.
FIGURE 5 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 5. Microscopical anatomy of the small plant (Fig. 4D, arrow) lectotype A20-1264 of L. kaiseri in TRH. A) Perithallial cell filaments (p) and an empty uniporate conceptacle, SEM stub 08112012b12. Note trichocytes are not apparent. B) Perithallus (p) in slide A20-1264_8 with abundant trichocytes. C) Detail of a thin portion of the thallus with hypothallus (h) and perithallus (p) of cells connected by primary and secondary pit-connections. D) Same as in B; detail of secondary pit-connections (arrow) and trichocytes (t). E) Epithallial cells in surface view with trichocyte trace (arrow), SEM stub 08112012b12. F) Same as in B; flattened epithallial cells (e). G) Detail of an empty uniporate conceptacle chamber with 4–5 cells forming the roof filaments.
FIGURE 9 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 9. Microscopical anatomy of the holotype of L. subreduncum Foslie, slide A20-1291_2. A) Vegetative thallus with abundant trichocytes (t) in the perithallus (p), and epithallial flattened cells (e). B) Details of the secondary pit-connections (arrow) in the perithallus and the abundant trichocytes (t). C) Magnification of secondary pit-connections (arrow) and epithallial cells (e). D) A tetrasporangial conceptacle with remain of a central columella.
FIGURE 8 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 8. The holotype collection of Lithophyllum subreduncum Foslie in TRH. A) Box A20-1291 in TRH. B) The carton box containing the holotype of L. subreduncum. C) Thin section 503 part of the holotype of L. subplicatum. D) The specimen A20-1291 in TRH, holotype of L. subreduncum.
FIGURE 3 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 3. Microscopical anatomy of L. affine. A) Perithallial cell filaments (p) and terminal epithallial cells (e) of the lectotype of L. affine, slide A20-1279_12 of a decalcified fragment. B) Detail of perithallial cell filaments with secondary pit-connections (arrows) and trichocytes (t) in L. affine, slide A20-1279_12. C) Flattened epithallial cells (e), slide A20-1279_12. D) A tetrasporangial conceptacle in the lectotype A20-1279. Note the pore opening in a depression of the conceptacle chamber roof. Slide A20-1279_12.
FIGURE 1 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 1. Distance analysis (Neighbor joining) performed on the 5'end of the nuclear LSU of the seven type specimens considered in this study.
FIGURE 7 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 7. Microscopical anatomy of the lectotype of L. subplicatum (Foslie) comb. et stat. nov. TRH A20-1286 from decalcified material. A) Trichocytes (arrows) in the perithallus (p) with filaments terminating in flattened epithallial cells (e), slide A20-1286_5. B) Same as in A. Thallus dimerous, with hypothallial (ventral) cells visible on bottom left (h), each one giving rise to a filament of perithallial cells (p). C) Same as in A, with magnification of secondary pit-connections (arrow) and trichocytes (t). D) An empty uniporate conceptacle chamber with 6–8 cells in the roof filaments. Slide A20-1286_5.
FIGURE 6 in The genus Lithophyllum in the north-western Indian Ocean, with description of L. yemenense sp. nov., L. socotraense sp. nov., L. subplicatum comb. et stat. nov., and the resumed L. affine, L. kaiseri, and L. subreduncum (Rhodophyta, Corallinales)
FIGURE 6. The lectotype collection of Lithophyllum subplicatum (Foslie) comb. et stat. nov. in TRH. A) Box A20-1286 in TRH. B) Thin section 596 part of the lectotype of L. subplicatum. C) The specimen A20-1286 in TRH, lectotype of L. subplicatum.
FIGURE 6–9. Lithophyllum stictaeforme. FIGURE 6 in Taxonomy and distribution of non-geniculate coralline red algae (Corallinales, Rhodophyta) on rocky reefs from Ilha Grande Bay, Brazil
FIGURE 6–9. Lithophyllum stictaeforme. FIGURE 6. External morphology (RB 587134). Scale bar = 1 cm. FIGURE 7. Longitudinal section showing monomerous thallus construction (white arrow) (RB 587135). Scale bar = 100 μm. FIGURE 8. Longitudinal section showing a single layer of rounded to elliptical epithallial cells (e), subepithallial initials (s) and secondary pit connections between adjacent filaments (white arrow) (RB 587135). Scale bar = 10 μm. FIGURE 9. Longitudinal section through a tetrasporangial conceptacle showing
FIGURES 2–5. Lithophyllum corallinae. FIGURE 2 in Taxonomy and distribution of non-geniculate coralline red algae (Corallinales, Rhodophyta) on rocky reefs from Ilha Grande Bay, Brazil
FIGURES 2–5. Lithophyllum corallinae. FIGURE 2. External morphology (RB 587132). Scale bar = 1 cm. FIGURE 3. Longitudinal section showing dimerous thallus construction (white arrow) (RB 587133). Scale bar = 100 μm. FIGURE 4. Longitudinal section showing a single layer of rounded to elliptical epithallial cells (e), subepithallial initials (s) and secondary pit connections between adjacent filaments (white arrow) (RB 587133). Scale bar = 20 μm. FIGURE 5. Longitudinal section through a tetrasporangial conceptacle showing the
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