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Order Siphonocladales

Family Siphonocladaceae

Chamaedoris Montagne

Thallus broom-like, with unbranched stipe bearing a capitulum. Capitulum structure of closely adherent and entangled siphons; siphons branched, septate. Cells multinucleate, with many discoid chloroplasts, each with a single pyrenoid. Life history biphasic, isomorphic. There are three species, of which two occur on our south coast. For further details of the genus and its relationship with other genera, see Leliaert et al. (2007). 

Key to the species

1a. Capitulum (usually) penicillate, becoming ball-shaped when older, apical cells of capitulum filaments 70-200 µm in diameter

C. delphinii

1b. Capitulum (usually) flattened, becoming auriculate to peltate when older; apical cells of capitulum filaments 50-140 µm in diameter

C. auriculata


References Chamaedoris

Leliaert, F., Millar, A.J.K., Vlaeminck, C. & Coppejans, E. (2007). Systematics of the green macroalgal genus Chamaedoris Montagne (Siphonocladales), with an emended description of the genus Struvea Sonder. Phycologia 46: 709-725.


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,; Accessed on 02 March 2024.