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Desmarestia aculeata

( NYN:Vanleg kjerringhår BOK:Vanlig kjerringhår ENG:Landlady's wig)                  2 photos (see below for more photos)


Habit
Photo by: Kjersti Sjøtun
Location: Baløyna, Austrheim, Hordaland
Verified by Kjersti Sjøtun
Sampling date: 2014-03-28
Published: 2014-04-02

Habit in spring with new branches growing from old axes

The species is common in the sublittoral. It is perennial with a variable appearance during the year. It overwinters as coarse and dark brown axes from which new and light brown shots with irregular branches appear during spring. The new shoots are densely set with short, oppositely placed bundles of hairlike and uniseriate short filaments, which are shed later in the season. After the bundles of short filaments are shed, the main axes are set with small thorn-like structures.




Detail of new branches in spring
Photo by: Kjersti Sjøtun
Location: Baløyna, Austrheim, Hordaland
Photo is showing (categorized): Branching pattern
Verified by Kjersti Sjøtun
Sampling date: 2014-03-28
Published: 2014-04-02

The new axes are set with bundles of short, uniseriate filaments placed oppositely on the main axes



 

     

     

     

     

     

     

     

     

     

     

     

     

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