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Morphology

Z, 30-50 cm

Ecology

subalpine forest

Chorology

Rocky Mountains

Xylem

Distinct rings, ring porous, earlywood vessels solitary, simple perforations, vessel diameter 150 - 200µm, with helical thickenings, apotracheal parenchyma, ray width 1-3 cells, prismatic crystals present.

Xylem-Code

See annex

Phloem

Tangential layers of sieve tubes and parenchyma cells, of sclerenchymatic groups in tangential bands, prismatic crystals present.

Explanations

For explanations please see the Feature Characteristics.

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

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