Morphology

tree

Ecology

tropical rain forest

Xylem

Conifer like wood but with large rays. Indistinct and Distinct ring boundaries, vessels absent, tracheids with big round and scalariform bordered pits (4-5 µm), arranged predominantly uniseriate (1 to 3 seriate). Axial parenchyma rare apotracheal,diffuse. Rays are uniseriate and multiseriate (2 to 4 cells in width), heterocellular with 1 to 3 square and upright marginal cells. With sheet cells. Pits in marginal ray cells mostly arranged in axial rows. Ray-pits piceoid (bordered with slit-like apertures).

Xylem-Code

See annex

Phloem

Slide missing

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Tangential section
  
Radial section
  

© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010