Home / Rhodophyceae / Macroreds / Eucheuma
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Name derivation:
eu- (Gr.) – true, + cheuma – molten or poured
Classification:
Eucheuma J. Agardh, 1847; 30 of 58 species descriptions are currently accepted taxonomically (Guiry and Guiry 2008). Synonym of E. isiforme (C. Agardh) J. Agardh 1847 is Hypnea wurdemannii Harvey 1853.
Morphology:
Cartilaginous with radial to bilateral branching, often with papillae. Medulla of axis is filamentous and compact, or a mix of large cells and thin rhizoidal filaments. Inner cortex has large hyaline cells, outer cortex has small pigmented cells (Dawes and Mathieson 2008).
Similar genera:
Hypnea, Sphaerococcus.
Habitat:
Coasts of North Carolina, Florida, Bermuda, the Caribbean, Gulf of Mexico, and Philippines (Ibid.)
References:
Agardh, J.G. 1847. Nya alger från Mexico. Öfversigt af Kongl. Vetenskaps-Adademiens Förhandlingar, Stockholm 4: 5-17. Dawes, C. J. and A. C. Mathieson. 2008. The seaweeds of Florida. Univ. Press of Florida, Gainesville, Florida, 591 pp. Guiry, M.D. and G.M. Guiry 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 2 May 2014.