Avrainvillea clavatiramea A.Gepp & E.Gepp
The Codiaceae of the Siboga Expedition, including a monograph of Flabellarieae and Udoteae 33, 137, pl. X fig. 92; pl. XI. fig 93 (1911)
Conservation Code:
Not threatened
Naturalised Status: Native to Western Australia
Name Status:
Current
Scientific Description
John Huisman & Cheryl Parker,
Monday 20 June 2011
Habit and structure. Thallus dark green to brown-green, usually 10–25 cm high, with a matted holdfast giving rise to 1 to 8 fronds each with a long stipe expanding above to a cuneate lamina; stipes (4–)8–15 cm long and 0.5–1 cm in diameter; lamina usually 4–8 cm long and 4–8 cm broad, often zoned, (0.2–)0.5–1(–2) mm thick. Filaments of lamina 35–55 µm in diameter, relatively straight to slightly undulate, often torulose near their subclavate apices, constricted at dichotomies; chloroplasts and amyloplasts ovoid; a yellowish inclusion often present in upper filaments.
Reproduction. Unknown.
Distribution. From Rottnest I., W. Aust., to Port Phillip, Vic.
Habitat. A. clavatiramea is essentially a deep water species, usually growing in a sandy substratum.
[After Womersley, Mar. Benthic Fl. Southern Australia I: 253 (1984)]
