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Electronic Flora of South Australia Genus Fact Sheet

Genus AVRAINVILLEA Decaisne 1842b: 108

Phylum Chlorophyta – Order Caulerpales – Family Udoteaceae

Thallus uncalcified, usually flabellate and stipitate, arising from an erect rhizoidal holdfast or rhizomatous, with a felt-like lamina. Filaments interwoven, subdichotomous, without lateral appendages or attachment; constrictions present in filaments, sometimes strongly marked at dichotomies.

Reproduction: Reproduction involving gametangia which are terminal on filaments exserted from the lamina.

Type species: A. nigricans Decaisne.

Taxonomic notes: Avrainvillea is a tropical-subtropical genus of some 18 species, often common in shallow, sandy mud areas. One species, A. clavatiramea, is known on southern Australian coasts.

References:

DECAISNE, J. (1842b). Mémoire sur les Corallines ou Polypiers Calcifères. Annls Sci. nat. (Bot.) ser. 2, 18, 96–128.

The Marine Benthic Flora of Southern Australia Part I complete list of references.

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (31 May, 1984)
The Marine Benthic Flora of Southern Australia
Part I
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