Aristolochia clematitis L.

Aristolochiaceae


Morphology

H, 30 - 50cm

Ecology

tropical rain forest

Chorology

S-European

Xylem

Distinct rings, ring porous and semi-ring porous, vessels solitary, vessel diameter 50-130mµ, vessels thick walled (3mµ), simple perforation, round intervessel pitting, with tylosis, fibers thin to thick-walled or thick-walled, fibers with round bordered pits, Parenchyma apotracheal, paratracheal and pervasive, sometimes marginal, vascular bundle form remaining, rays very large, unlignified with square cells. Crystals absent.

Xylem-Code

See annex

Phloem

Phloem with small sieve cells and large parenchyma cells. Distinct ray dilations. Cortex with few fragments of an earlier sclerenchymatic belt. .

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Tangential section
 
Radial section
 
Bark
   

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