Seaweeds of the South African South Coast

 

 

 

 

 

 

 

 

 

 

 

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Order Ectocarpales

Family Chordariaceae

Streblonema codii E.S.Barton 1896: 194, fig. (1)

Plants minute, mainly endophytic (in Codium), comprising tufts of protruberant filaments arising from basal system of branched filaments that intertwine between cortical utricles of host. Cells of endophytic system elongate, ca. 10-15 µm in diameter, to 5 times as long as broad, giving rise to assimilatory filaments of similar diameter, ca. 10-15 cells long, protruding from the host tissue and tapering slightly at their tips. All cells approximately isodiametric with one or two irregularly-shaped parietal chloroplasts. Plurilocular sporangia multiseriate, terminal on assimilatory filaments, to 45 µm long and 15 µm in diameter.

Collections, ecology and regional distribution

Found on Codium (e.g. C. papenfussii ). Recorded from Betty’s Bay on the west coast to the Knysna area (19-30).

World distribution: Also recorded from Japan (Guiry & Guiry 2011).

Type locality: Knysna, Western Cape Province, South Africa (Silva et al. 1996).

 

Streblonema codii, stained microscope slide.

Streblonema codii, detail of protruding assimilatory filaments and plurilocular sporangia.

Streblonema codii, microscopic habit with protruding assimilatory filaments and plurilocular sporangia (reproduced from Stegenga et al. 1997).

 

References Streblonema

Barton, E.S. (1896). Cape algae. Journal of Botany, British and Foreign 34: 193-198, 458-461, 5 Figs.

Guiry, M.D. & Guiry, G.M. 2011. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched June 2011.

Silva, P.C., Basson, P.W. & Moe, R.L. (1996). Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: 1-1259.

Stegenga, H., Bolton, J.J. and R. J. Anderson. 1997. Seaweeds of the South African west coast. Contributions from the Bolus Herbarium 18: 655 pp.

 

Cite this record as:

Anderson RJ, Stegenga H, Bolton JJ. 2016. Seaweeds of the South African South Coast.
World Wide Web electronic publication, University of Cape Town, http://southafrseaweeds.uct.ac.za; Accessed on 19 December 2024.