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Morphology

c, -1m

Ecology

Mountain and subalpine, medium site

Chorology

Rocky mountains

Xylem

Distinct rings, remaining vascular bundles, semi-ring porous, vessels solitary and in groups, earlywood vessel diameter 60-100µm, fibers with distinct big (3 µm)round, bordered pits, simple perforations, round intervascular pits, parenchyma paratracheal, apotracheal and marginal, vascular bundles rayless, very large rays between the bundles, sometimes secondary rays in vascular bundles.

Xylem-Code

See annex

Phloem

Bands sieve elements alternating with parenchyma cells, tangentially arranged in a thin walled parenchymatic tissue. Small groups of sclerenchyma. Many phellem bands.

Explanations

For explanations please see the Feature Characteristics.

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

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