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

Bayer Code : gaepu

Scientific name: Galeopsis pubescens Besser

Synonym(s) of Sc. name: Galeopsis tetrahit var. pubescens

Classification: Labiatae, Dicotyledonous

Common name: downy hemp-nettle

Synonym(s) of Common name:

Name per country: DE : Weichhaariger Hohlzahn ; FR : galéopsis pubescent ; IT : canapetta pubescente ; PT : ; EN : downy hemp-nettle ;

Biological type: Annual

Seedling snapshot Seedling:

- Cotyledons round oval, auriculate, emarginate at the petiole, rounded at the tip; petiole with 2 lines of hairs.

- Foliage leaves ovate to lanceolate, acuminate, appressed softly hairy, petiolate ; margin with 10-20 triangular teeth on both sides.

Adult plant snapshot Adult plant:

- Height: 20-50 cm.

- Stem upright, branched, only slightly thickened on the nodes, apressed softly hairy, on the nodes also bristly.

- Foliage leaves ovate to lanceolate, up to 7 cm long, heavily softly hairy, regularly dentate, opposite.

- Flower : lip-flowers axillary, of medium height (corolla tube 18-25 mm long), usually purple with a yellow spot; corolla tube usually 2-3 times longer then calyx.

- Biological type: annual

- Spread: rare in cultivated areas in Great-Britain.

Ecological profile (click on flags): Germany   Rare    

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