Home / Chlorophyceae / Filamentous / Unbranched /Uronema
Click on images for larger format
Name derivation:
Tail (uro-) thread (-nema)
Classification:
Uronema Lagerheim 1887; 16 of 22 species descriptions are currently accepted taxonomically (Guiry and Guiry 2015). Order Chaetophorales; Family Chaetophoraceae
Morphology:
Unbranched green trichomes with one parietal ‘wrap-around’, ‘napkin-ring’ chloroplast per cell. Trichomes are attached by a basal cell with a slightly curved apex Cross-walls are flat, providing maximal contact between adjacent cells.
Similar genera:
Stichococcus is similar but has minimal contact between cells.
Habitat:
Grows Attached, widespread in freshwater. Grow epiphytically on larger filaments such as Oedogonium and Cladophora, and on aquatic plants.
References:
Guiry, M.D. and G.M. Guiry 2015. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 08 September 2015. Wehr, J. D., and R. G. Sheath 2003. Freshwater Algae of North America: Ecology and Classification. Academic Press.