Bryonia dioeca Jacq. Tuber

Cucurbitaceae


Morphology

liana tuber

Ecology

hill and mountain

Chorology

W-European, mediterranean

Xylem

Distinct rings, vessels solitary, vessel diameter 50-100┬Ám, simple perforation, intervessel pits scalariform, fibers absent, parenchyma pervasive, parenchyma storied, ray width >10 seriate, confluent with axial tissue, unlignified, all ray cells upright, successive cambia, vascular bundles in tangential rows, phloem groups in the pith (collateral vascular bundles).

Xylem-Code

See annex

Phloem

Simple structured, distinct ray dilatations, sclerenchyma and crystals absent.

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Tangential section
 
Bark
 

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