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Order Rhodymeniales

Family Rhodymeniaceae

Botryocladia Kylin

Thalli consisting of solid, short or long, upright or creeping axes bearing hollow, mucilage-filled vesiculate branches. About 30 species currently recognized worldwide, mostly from tropical and warm-temperate shores (Guiry & Guiry, 2009). See Norris (1989) for an account of KwaZulu-Natal species, including south coast taxa.

Key to species of Botryocladia

1a Main axes flattened, 3-8 mm wide

B. beckeriana

1b Main axes terete to slightly compressed, less than 2 mm wide


2a Thalli stiffish, vesicles 4-10 mm long, ovate, slightly compressed

B. madagascariensis

2b Thalli lax, vesicles mostly 1-2 mm long, usually unilateral on axes

B. pienaarii

References Botryocladia

Guiry, M.D. & Guiry, G.M. 2009. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched in August 2009.

Norris. R.E. 1989. Natalian Botryocladia (Rhodymeniales, Rhodophyceae), including description of a new, long axis-forming species. Botanica Marina 32: 131-148.


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.