Manna ash

Authors:Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 29.10.2020

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Synonym(s)

Fraxinus ornus; Fraxinus ornus L

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DefinitionThis section has been translated automatically.

The Manna Ash, also known as Fraxinus ornus, flowering ash or decorative ash, is a plant from the genus of ash trees (Fraxinus). The natural occurrence of the Manna Ash is in the eastern Mediterranean area including southern Europe, in Germany the plant was naturalized. The Manna Ash is known for its sap, which comes from the scarified branches and twigs.

General informationThis section has been translated automatically.

The Manna Ash is a deciduous tree that grows to heights of between 5 and 10, sometimes even 25 m, and has a rather light and rounded crown. The trunk is dark grey or blackish-grey with small warts, while the bark of the branches is olive to grey-green.
The leaves are about 15 to 20 cm long and oval in shape. Their upper side is medium green, while the underside is paler and brownish or whitish hairy.

The flowering period of the manna ash is from April to June. Its fragrant whitish flowers appear simultaneously with the leaves. The tree's solitary nut is very narrow, about 2 cm long and shiny dark brown when ripe in October.

Fraxinus ornus is the parent plant of the drug manna.

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Last updated on: 29.10.2020