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Morphology

H, 40 - 80cm

Ecology

hill and mountain volcanic ash

Chorology

S-American

Xylem

Only one ring. vessels solitary and in groups, simple perforations, vessel diameter 80-150 µm, fibers thin- to thick-walled, parenchyma paratracheal vasicentric ray width 2-3 seriate, homocellular with square cells.

Xylem-Code

See annex

Phloem

Between rays with ray dilatations uniform phloem and cortex. With a few prismatic crystals and laticifers.

Explanations

For explanations please see the Feature Characteristics.

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

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