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Morphology

Hyd

Ecology

Hill and mountain zone

Chorology

Eurasia

Xylem

Rhizome: Indistinct rings, almost closed circle of vascular bundles (siphonostele) vessels solitary or in short radial multiples, scalariform inter-vessel pits simple perforations, pervasive parenchyma, rayless. The stele is surrounded by a thin-walled endodermis. Annual shoot: Similar as the rhizome but exclusively solitary vessels and thick walled star like lignified protuberances from some cortex cells.

Xylem-Code

See annex

Phloem

Cortex with numerous vertically elongated cavities. With cortical vascular bundles. The pith is different from the cortex; cavities are missing.

Explanations

For explanations please see the Feature Characteristics.

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

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