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Stictyosiphon tortilis

( BOK:Langcella brunskjegg)                  8 photos (see below for more photos)


Habit
Photo by: Kjersti Sjøtun
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Thallus
Verified by Bergen Seaweed group
Sampling date: 2008-06-11
Published: 2009-01-09

A specimen around 20 cm long

The species is recorded in the sublittoral along the coast of Norway, but is not very common. Thallus may be up to 1 m long, and axes have irregular or opposite branching. Basal parts of main axes are often hollow. Growing shoots end in a hair. The inner axial cells are substantially longer than wide in main axes, and can normally not easily be seen through the outer, angular cortex cells.




Cortication at main axis and side-branches.
Photo by:
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Cortical cells
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-22





Cortical cells
Photo by: Vivian Husa
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Cortical cells
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-22





Longitudal section showing large elongated axial cells.
Photo by: Vivian Husa
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Longitudinal section
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-22





Cross-section showing four axial cells.
Photo by: Vivian Husa
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Cells, Cross section
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-22





Branching
Photo by: Kjersti Sjøtun
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Branching pattern
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-27

Branching from main axis




Main axis
Photo by: Kjersti Sjøtun
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Cell structure
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-27

Close-up of main axis, segments of long axial cells are visible under the angular cortex cells




Hairs
Photo by: Kjersti Sjøtun
Location: Løfallstrand, Hardangerfjorden, Hordaland
Photo is showing (categorized): Apical tip, Hairs
Verified by Bergen Seaweed Group
Sampling date: 2008-06-11
Published: 2009-01-27

Shoot ending in a hair



 

     

     

     

     

     

     

     

     

     

     

     

     

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