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Bonnemaisonia asparagoides

( NO:Aspargesalge)                  3 photos (see below for more photos)


Thallus
Photo by: Kjersti Sj√łtun
Location: Klosterfjord, Hordaland
Photo is showing (categorized): Thallus, Gametophyte
Verified by Network members
Sampling date: 2009-06-23
Published: 2010-08-09

Gametophyte with main axes and alternating side branches

The species has an uniaxial structure with three pericentral cells associated to the central cell and additional cortication. Small side branches form in an opposite or alternating way, and are situated in one plane. When oppositely placed, the branches develop unequal length in an alternating way. In fertile specimens a reproductive structure (cystocarp or spermatangial axis) develops opposite to a side branch in an alternating way. The species has a heteromorph life cycle, and the tetrasporophyte grows as crusts up to 1 cm in diameter (¬ĎHymenoclonium¬í stage).




Distal part of axes
Photo by: Kjersti Sj√łtun
Location: Klosterfjord, Hordaland
Photo is showing (categorized): Branching pattern, Cystocarp
Verified by Network members
Sampling date: 2009-06-23
Published: 2010-08-09

Immature cystocarps developing opposite to side branches in an alternating way




Cortex cells
Photo by: Kjersti Sj√łtun
Location: Klosterfjord, Hordaland
Photo is showing (categorized): Cortical cells
Verified by Network members
Sampling date: 2009-06-23
Published: 2010-08-09

Axis with cortex cells and small side branches



 

     

     

     

     

     

     

     

     

     

     

     

     

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