back to the start page   |   back to the list                              

Morphology

T, 10-30cm

Ecology

subtropical, succulent zone

Chorology

cosmopolitean

Xylem

Only one ring, vessels 50-90 µm in diameter, vessels in radial multiples, arranged in intraanual tangential rows, simple perforations, intervessel pits round and occasionally scalariform, with thin-walled tylosis, fibers thin to thick-walled, parenchyma paratracheal, ras missing or 1-2 cell in width, homocellular with upright cells. Isolated vessel groups in the pith,

Xylem-Code

See annex

Phloem

With groups of sieve-tubes, with many crystal druses in rays and axial parenchyma cells. Large cells with dark contents (slime plug).

Explanations

For explanations please see the Feature Characteristics.

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

                              back to the start page   |   back to the list