Skye Flora

Field Horsetail


Equisetum arvense

 

Equisetum arvense

Photo © Carl Farmer
13 Oct 2002 Portree

Common on waste ground, roadsides and grassland

Stems to 80 cm tall, diameter c 3-5 mm.  Cones c 1-4 cm.

Skye ID: Stems branched, usually without sub-branches, or if so not regular like Wood Horsetail.  Stem grooves less than 20.  Lowest internode of branches longer than stem sheath.  Branches not hollow, cross-shaped in cross section.  Teeth of branches spreading, or at least lax, and pale.

Other features: Very variable, sometimes prostrate.  Fertile stems brown, arising earlier than the sterile ones, not turning green but dying down after releasing spores.

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  Equisetum arvense

Photo © Carl Farmer
13 Oct 2002 Portree

 
     

 

Equisetum arvense

Photo © Carl Farmer
13 Sep 2002 Dunvegan
 

Prostrate form

 

Equisetum arvense

Photo © Carl Farmer
26 May 2002 Portree
 

Young sterile stem

 

Equisetum arvense

Photo © Carl Farmer
13 Apr 2003 Scorrybreac
 

  Equisetum arvense

Photo © Carl Farmer
13 Apr 2003 Scorrybreac
 

Fertile stem


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