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Description: |
Thallus, translucent light- to dark-green, primarily consisting of a large (up to 5 mm thick and 20 mm long) bladder- or cluc- to hose-like "cell", branching at the base rhizoidally. Later due to outgrowths of this cell cylindrical-clavate branches, often contorted and almost gapless densely packed, thus forming intertwined erect stands (Braune & Guiry 2011). Original publication: Agardh, C.A. (1823). Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis. Volumen primum pars posterior. pp. [vii-viii], [399]-531. Lundae [Lund]: ex officina Berlingiana.
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| Biogeography |
Warm NE Atlantic (Portugal to Canary Is); Mediterranean; Caribbean; Indian Ocean; NW Pacific (Japan, China); Indo-Pacific (Phillipines, Vietnam); Pacific Is; Australia. |
| References |
Braune, W. (2008). Meeresalgen. Ein Farbbildführer zu den verbreiteten benthischen Grün- Braun- und Rotalgen der Weltmeere. pp. [1]-596, 266 pls. Ruggell: A.R.G. Gantner Verlag. Dawes, C.J. & Mathieson, A.C. (2008). The seaweeds of Florida. pp. [i]- viii, [1]-591, [592], pls I-LI. Gainesville, Florida: University Press of Florida. Eggert, A., Burger, E.M. & Breeman, A.M. (2003). Ecotypic differentiation in thermal traits in the tropical to warm-temperate green macrophyte Valonia utricularis. Botanica Marina 46: 69-81.
Eggert, A., Van Hasselt, P.R. & Breeman, A.M. (2003). Differences in thermal acclimation of chloroplast functioning in two ecotypes of Valonia utricularis (Chlorophyta). European Journal of Phycology 38: 123-132. Leliaert, F. & Coppejans, E. (2004). Crystalline cell inclusions: a new diagnostic character in the Cladophorophyceae (Chlorophyta). Phycologia 43: 189-203. Eggert, A., Visser, R.J.W., Van Hasselt, P.R. & Breeman, A.M. (2006). Differences in acclimation potential of photosynthesis in seven isolates of the tropical to warm temperate macrophyte Valonia utricularis (Chlorophyta). Phycologia 45: 546-556. Skelton, P.A. & South, G.R. (2007). The benthic marine algae of the Samoan Archipelago, South Pacific, with emphasis on the Apia District. Nova Hedwigia Beihefte 132: 1-350. |
| Habitat: |
Plants sessile; at times forming extensive stands beneath other algae. mostly on rock and reef edges in sheltered locations and shallow water, in up to 2 m depth |
| Type information: |
Basionym: Conferva utricularis Roth Type locality: Mediterranean Sea (Silva, Basson & Moe 1996: 802). |
