Amborella trichopoda Bail.

Amborellaceae


Morphology

shrub

Ecology

tropical moutain forests

Chorology

South Pacific Islands

Xylem

Conifer like wood but with large rays. Growth zones absent, vessels absent, tracheids with big round bordered pits (5-7 ┬Ám), arranged predominantly biseriate. Parenchyma apotracheal, diffuse. Rays are uniseriate and multiseriate (3 to 4 cells in width), heterocellular with 1 to 3 square and upright marginal cells or homocellular wit uniquely sqare and upright cells, With sheet cells. Pits in marginal ray cells are mostly arranged in axial rows. Ray-pits piceoid (bordered with slit-like apertures). Ray-cells thick-walled.

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