HYPP-A Unité de Malherbologie & Agronomie
Weed Science & Agronomy
INRA-Dijon

Bayer Code : lythy

Scientific name: Lythrum hyssopifolia L.


Synonym(s) of Sc. name:

Classification: Lythraceae, Dicotyledonous

Common name: grass-poly

Synonym(s) of Common name:

Name per country: DE : Ysopblättriger Weiderich ; ES : hierba del toro ; FR : lythrum de Graeffer ; IT : salcerella con foglie d'isopo ; PT : salicária-lisa ;

Biological type: Annual


Seed snapshot Seed:

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Seedling snapshot Seedling:

- Cotyledons elliptic, club-shaped tip, more or less stalked.

- Leaves entire, lanceolate, more or less toothed.


Adult plant snapshotAdult plant snapshot Adult plant:

- Height: 10-40 cm.

- Stem: prostrate or erect.

- Leaves alternate, variable in form: elliptic at the base, cauline lanceolate, linear above.

- Flowers red purple, small, solitary, axillary. Petals 2-3 mm. Calyx glabrous.

- Fruit numerous-seeded, enclosed in the lengthened calyx.

- Rare in crops. Plant vulnerary, antiscorbutic, melliferous.

- Risk of confusion at the seedling stage with the species of Hypericum and Anagallis .

- Biological type: annual.

Mistake with: Hypericum , Anagallis


Ecological profile (click on flags): Germany   Rare     Spain  Present     France  Rare     Portugal  Present    

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