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Morphology

tree up to 6m

Ecology

subtropical, mountain zone

Chorology

South America, Mexcico, widly cultivated

Xylem

Indistinct rings, vessels solitary and in short radial groups, vessel diameter 80 ¿ 130 µm, vessel frequency 80-100 mm2, vessels with simple perforations, large intervessel pits in alternate position, ray-vessel pits reticulate, fibers with small pits, parenchyma paratracheal vasicentric, rays 1-2 seriate, homocellular and heterocellular with 1-3 upright cells, marginal cell slightly enlarged, with few prismatic crystals in axial parenchyma cells,

Xylem-Code

See annex

Phloem

With irregular groups of sclereids in the phloem and cortex, with oil ducts (surrounded by extretion cells), with prismatic crystals in parenchyma cells.

Explanations

For explanations please see the Feature Characteristics.

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

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