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Morphology

liana annual shoot

Ecology

hill and mountain

Chorology

N-America

Xylem

Only one ring, vessels predominatly solitary, vessel diameter 50-100µm, simple perforation, intervessel pits opposite, round, fibers absent, parenchyma paratracheal and pervasive, ray width >10 seriate, unlignified, all ray cells upright, phloem groups in the pith (bi-collateral vascular bundle) with raphides.

Xylem-Code

See annex

Phloem

Simple structured, distinct ray dilatations, band of sclerenchyma in the cortex.

Explanations

For explanations please see the Feature Characteristics.

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

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