Seaweeds of the South African South Coast

 

 

 

 

 

 

 

 

 

 

 

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Order Nemaliales

Family Scinaiaceae

Nothogenia Montagne

Gametophytes foliaceous or (in part) vesiculate. Medulla filamentous, cortex of anticlinal rows of small cells. Carposporangia and spermatangia formed in conceptacle-like cavities in the cortex. Life-histories heteromorphic; tetrasporophyte crustose, producing chains of cruciately-divided sporangia in the upper layers, surrounded by loose paraphyses. Life histories of South African species described by Anderson & Stegenga (1985).

 

Key to the species

1 a. Thallus a gas-filled vesicle	N. ovalis
b. Thallus foliaceous, rarely with swollen vesicular tips	N. erinacea

 

References Nothogenia

Anderson, R. J. & H. Stegenga 1985. A crustose tetrasporophyte in the life history of Nothogenia erinacea (Turner) Parkinson (Galaxauraceae, Rhodophyta). Phycologia 24: 111-118.

 

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 18 November 2024.