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3 results for “Parviphycus”
FIGURES 20–26 in Parviphycus bompardii sp. nov. and P. albertanoae (Gelidiales, Rhodophyta), two species misidentified as Gelidiella ramellosa in the Mediterranean Sea
FIGURES 20–26. Mediterranean herbarium specimens of Parviphycus albertanoae, previously misidentified as Gelidiella ramellosa. Figs 20–23. Herbarium specimens (MNHN! PC-PC0167206) from Kerkennah, Tunisia. Fig. 20. Herbarium sheet. Scale bar = 2.5 cm. Fig. 21. Apex of an upright branch of a specimen showing the distichous pattern of division of the subapical cells. Scale bar = 30 μm. Fig. 22. Transverse section of a compressed upright branch; five cells (axial and periaxials) are aligned along the major axis in an evident row. Scale bar = 27 μm. Fig. 23. Tetrasporangial sorus with tetrasporangia regularly arranged in transverse parallel rows (four per row). Scale bar = 180 μm. Figs 24–26. Herbarium specimens from the Cheradi Islands (CAT 1270). Fig. 24. Habit. Scale bar = 3 mm. Fig. 25. Transverse section of an erect axis. Scale bar = 17 μm. Fig. 26. Detail of a tetrasporangial sorus. Scale bar = 50 μm.
FIGURES 1–7 in Parviphycus bompardii sp. nov. and P. albertanoae (Gelidiales, Rhodophyta), two species misidentified as Gelidiella ramellosa in the Mediterranean Sea
FIGURES 1–7 Acrocarpus spinescens (Genoa, Italy), Erbario Crittogamico Italiano ser. II, No. 175. Fig. 1. Herbarium specimen held in SIENA, vegetative, referable to Gelidium crinale. Habit. Scale bar = 0.6 cm. Fig. 2. Refractive internal rhizoidal filaments observed in polarized light. Scale bar = 120 μm. Fig. 3. Brush-like hapteron. Scale bar = 150 μm. Fig. 4. Herbarium specimen held in BI. A). Vegetative thallus referable to Gelidium crinale. B). Vegetative thallus referable to Parviphicus albertanoae. Scale bar = 0.6 cm. Fig. 5. Herbarium specimen held in FI designated as holotype of Parviphycus bompardii sp. nov. (FI! 5607). Scale bar = 0.6 cm. Fig. 6. Stichidium-like tetrasporangial branchlets (FI! 5607). Scale bar = 0.4 cm. Fig. 7. Tetrasporangial sorus with tetrasporangia regularly arranged in chevrons (out of focus on purpose) (FI! 5607). Scale bar = 120 μm.
FIGURES 8–19 in Parviphycus bompardii sp. nov. and P. albertanoae (Gelidiales, Rhodophyta), two species misidentified as Gelidiella ramellosa in the Mediterranean Sea
FIGURES 8–19. Parviphycus bompardii sp. nov.. Fig. 8. Paratype (CAT! 71) (Castelluccio, Syracuse, Sicily). Scale bar = 3 mm. Fig. 9. Paratype (BI! 38467) (Mola di Bari, Bari, Apulia). Scale bar = 4 mm. Fig. 10. Apical part of an erect axis covered by hairs (paratype CAT! 71). Scale bar = 155 μm. Fig. 11. Apex of an upright branch showing the distichous pattern of division of the subapical cells (isoparatype BI! 38466). Scale bar = 30 μm. Fig. 12. Irregularly arranged outermost cortical cells in surface view (paratype CAT! 71). Scale bar = 8 μm. Fig. 13. Transverse section of a compressed upright branch; seven cells (axial and periaxials) are aligned along the major axis in an evident row (paratype BI! 38467). Scale bar = 50 μm. Fig. 14. Longitudinal section of an erect axis: elongated axial and periaxial filaments composing the medullary region are well distinct from the isodiametric subcortical cells (paratype BI! 38467). Scale bar = 50 μm. Fig. 15. Apical and lateral tetrasporangial sori inserted at 90º on the axes (paratype BI! 38467). Scale bar = 650 μm. Fig. 16. Stichidium-like tetrasporangial branchlets constricted at their bases and shortly stalked (paratype BI! 38467). Scale bar = 230 μm. Fig. 17. Tetrasporangial sorus with tetrasporangia regularly arranged in chevrons (6 per row) and a steril margin (paratype CAT! 71). Scale bar = 100 μm. Fig. 18. An empty sorus in surface view: in the gaps of the outer cortex the tetrasporangium basal cells are visible (arrow). Regenerated tetrasporocysts (arrowhead) (paratype BI! 38467). Scale bar = 60 μm. Fig. 19. Longitudinal section of tetrasporangial sorus along the medullary row of axial and periaxial filaments forming a cubic-mesh network (paratype BI! 38467). Scale bar = 60 μm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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