Species List

Coniferous wood | Dicotyledon wood | A-Z by Latin Name | A-Z by Familiy Name
 
 
 

Ulmus campestris L.

Common English Elm

Ulmaceae

 
 

Transversal section

   
  Ring-porous, 1 to 3 rows of earlywood-pores. Pores in latewood grouped in more or less long, tangential to oblique, bi- to 4-seriate bands together with vascular tracheids and parenchyma. Occasionally tyloses in earlywood. Groundtissue thick-walled. Paratracheal parenchyma abundant in earlywood and among vessel groups in latewood.
 
 

Radial section

   
  Simple perforation plates. Spiral thickenings in vessels, distinct in small vessels. Rays generally homogeneous to slightly heterogeneous with one row of square marginal cells. Libriform fibres and vascular tracheids present.
 
 

Tangential section

   
  Rays generally 4- to 5-seriate, occasionally narrower or wider. Ray height: 30 to 60 cells.
 
 

Key characters

   
  Ring-porous. Latewood pores in tangential bands. Rays 4- to 5-seriate.
 
 

Remarks

   
  The wood of the three Ulmus species (U. campestris L., U. scabra Mill., U. laevis Pallas) cannot be differentiated on the basis of anatomic characteristics.
 

  © / authors / citation / 03.05.06