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Morphology

N 80-150

Ecology

arid

Chorology

W-North America

Xylem

Indistinct growth zones, vessels 20-40 µm in diameter, vessels in long radial multipels, simple perforations, fibers thin-to thick-walled with small pits, parenchyma paratracheal, rays 3-5 seriate with cells of different sizes, heterocellular with central prostrate and a few marginal upright cells,

Xylem-Code

See annex

Phloem

Phloem with ray dilatations, round sclerenchymatic groups in more or less distinct tangential rows.

Explanations

For explanations please see the Feature Characteristics.

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

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