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Click on images for larger format |
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Name derivation: |
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From the Greek, syn, together, and edra from hedra, a seat |
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Morphology: |
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Single cells that are elongated and needle-like in shape. In valve view the the cells are linear and each end can be slightly swollen. Striations are sometimes visible radiating outward from the center. The center of the cell can also appear slightly swollen. Several cells can be found clumped together at one pole with a pad of mucilage. Rarely are the cells joined valve face to face. The plastids appear as two long plates in girdle view and in valve view they slightly overlap and appear as one. |
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Similar genera: |
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Can be confused with Fragilaria and some species previously allocated to Synedra have been moved into several new genera such as Catacombas, Ctenophora, Hyalosynedra, Neosynedra and Tabellaria. |
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Habitat: |
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Primarily freshwater in distribution. |
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References: |
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Graham, L. and Wilcox, L. . Algae. Prentice-Hall. (2000) Round, F. E., Crawford, R. M., Mann, D. G. 1990. The Diatoms. Cambridge University Press. New York, NY.
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