Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : gaela
Synonym(s) of Sc. name: Galeopsis intermedia Vill.
Classification: Labiatae, Dicotyledonous
Common name: broad leaved hemp-nettle
Synonym(s) of Common name:
Name per country: DE : Breitblättriger Hohlzahn ; ES : ; FR : galéopsis intermédiaire ; IT : canapetta a foglie strette ; PT : ; EN : broad leaved hemp-nettle ; NL : smalbladige raai ; DK :
Biological type: Annual
.
- Cotyledons auriculate.
- Leaves entire, elliptic-ovate, regularly dentate.
- Height: 10-80 cm. Plant very variable.
- Stem branched, usually pubescent, 4-angled, not swollen at nodes, with spreading or ascending branches.
- Leaves opposite, stalked, narrow, lanceolate, weakly veined, 3-7 relatively large teeth on each border. Hairy petioles. Pinnately veined.
- Flowers in axillary pseudo-whorls. Calyx campanulate, greenish, 10-veined and 5 equal teeth ending in a bristle spine 4-6 mm long. Corolla purple, scarcely white, upper lip helmet-shaped, erect. Lower lip 3-lobed, median lobe longer than broad and the largest.
- Fruit : 4-achene ovoid, 3 mm x 2 mm.
- Plant used for catarrh and in the past against phtisis.
- Risk of confusion with Galeopsis angustifolia Ehrh. ex Hoffm.
- Biological type: Annual.
Mistake with: Galeopsis angustifolia
Ecological profile (click on flags):
Present
Rare
Rare
Rare
Present
Rare
