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Ceramium shuttleworthianum

( NYN:Pigga rekeklo BOK:Pigget rekeklo)                  5 photos (see below for more photos)


Thallus
Photo by: Vivian Husa
Location: Store Kals√ły, Austevoll, Hordaland
Photo is showing (categorized): Thallus
Verified by Bergen Seaweed Group
Sampling date: 2007-04-18
Published: 2009-01-22


The species is commonly growing as 2-5 cm turfs in the lower intertidal zone at wave exposed sites from Lindesnes and northwards to the County of Troms. This is probably the only spiny Ceramium species in Norway.




Branches with inrolled apices.
Photo by: Vivian Husa
Location: Store Karls√ły, Austevoll, Hordaland
Photo is showing (categorized): Branching pattern
Verified by Bergen Seaweed Group
Sampling date: 2007-04-18
Published: 2009-01-22





Apex with triangular spines usually developing singly on the outside of the branches.
Photo by: Vivian Husa
Location: Store Kals√ły, Austevoll, Hordaland
Photo is showing (categorized): Apical tip
Verified by Bergen Seaweed Group
Sampling date: 2007-04-18
Published: 2009-01-22





Characteristic spine where the base is multicellular and merging into the cortical band.
Photo by: Vivian Husa
Location: Store Kals√ły, Austevoll, Hordaland
Photo is showing (categorized): Cells
Verified by Bergen Seaweed Group
Sampling date: 2007-04-18
Published: 2009-01-22


The occurrence of other spiny Ceramium species in Norway is uncertain, but the species can be separated from each other by the shape of the spines. Ceramium echinotum has needle-shaped spines consisting of one single cell. Ceramium ciliatum has 3-celled non-pigmented spines with an elongated basal cell.




Cortication at nodes in middle part of axis.
Photo by: Vivian Husa
Location: Store Karls√ły, Austevoll, Hordaland
Photo is showing (categorized): Cells, Cortical cells
Verified by Bergen Seaweed Group
Sampling date: 2007-04-18
Published: 2009-01-22




 

     

     

     

     

     

     

     

     

     

     

     

     

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