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Morphology

P 10-20m

Ecology

hill and mountain

Chorology

E-Asia

Xylem

Distinct rings, ring porous, often >200 µm in diameter, vessels in short radial multiples and in groups, simple perforations, with thin-walled tylosis, fibers thin to thick-walled, parenchyma paratracheal and marginal, ray width 5-11 cells, heterocellular with central prostrate and a few marginal square or upright cells, with a few prismatic crystals in ray cells,

Xylem-Code

See annex

Phloem

Tangential layers of sieve cells and big, round, parenchyma cells, many single sclereids in the phloem, groups of sclerenchyma in the cortex, a few prismatic crystals, with axial laticifers.

Explanations

For explanations please see the Feature Characteristics.

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

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