Xanthidium trilobum Nordst.
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publication ID |
https://doi.org/10.5252/cryptogamie-algologie2025v46a3 |
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DOI |
https://doi.org/10.5281/zenodo.17109047 |
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persistent identifier |
https://treatment.plazi.org/id/C7390B66-FFE6-9128-AE28-FCFA0C6DFA70 |
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Plazi |
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scientific name |
Xanthidium trilobum Nordst. |
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( Fig. 7K, L View FIG )
Videnskabelige meddelelser fra Dansk naturhistorisk forening i Københaven 21 (14-15): 230 ( Nordstedt 1870).
DISTRIBUTION. — South America and Caribbean Islands. Amazon Basin: Grönblad (1945); Förster (1969, 1974); Thomasson (1971); Uherkovich (1976, 1981); Lopes & Bicudo (2003); Gutiérrez & Cadima (2004); Melo et al. (2005); Souza de et al. (2007); Melo & Souza de (2009); Souza de & Melo (2011); Cadima (2013). Western Amazonia (lowlands): Núñez-Avellaneda & Duque (2000), Araujo (2003); Díaz-Olarte & Duque (2009).
DESCRIPTION
Cells 66.7-71.4 µm long, 63.0-71.9 µm wide; isthmus 16.5-17.3 µm; cells are as long as they are wide. Semicells subhexagonal, angled with cylindrical processes, short, twospined, rhomboid apical view, smooth cell wall. With spines and a well individualized polar lobe.Open sinus, ornamentation varies slightly from cell to cell, as well as between semicells. The apical lobe has four slightly curved spines. Lateral lobes always present a pair of recurved spines.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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