Draba crassifolia Graham

Brassicaceae


Morphology

H, 3-8cm, cushion plant

Ecology

Alpine, medium site

Chorology

Colorado, North American

Xylem

Distinct rings, semi-ring porous, vessels solitary and in small groups, tangential bands with thick walled fibers, paratracheal parenchyma, rayless in cross-section.

Xylem-Code

See annex

Phloem

Tangential layers of collapsed sieve cells, radial rows of parenchyma cells.

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Monte Vista, Colorado, USA

Explanations

For explanations please see the Feature Characteristics.

Cross section
   

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