Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : lamin
Synonym(s) of Sc. name: Lamium hybridum subsp. dissectum (With.) Gaus.
Classification: Labiatae, Dicotyledonous
Common name: cut-leaved deadnettle
Synonym(s) of Common name:
Name per country: DE : Bastard-Taubnessel ; ES : ortiga híbrida ; FR : lamier hybride ; IT : falsa ortica ibrida ; PT : falsa-urtiga ; EN : cut-leaved deadnettle ; NL : Ingesneden dovenetel ;
Biological type: Annual
.
- Cotyledons auriculate.
- Leaves entire, rounded, with distal teeth.
- Height: 10-30 cm.
- Stem erect, ascending, relatively robust, branched near the base, leafless below the flowers.
- Leaves rounded, long-stalked and irregularly incised-dentate. Floral leaves deltoid, obtuse, closed.
- Flowers crimson 4-8 in whorls. Calyx pubescent, with subequal lobes, apiculate, toothed, 6-8 mm long. Corolla 2-lipped, 8-12 mm long, with usually a hairy tube, the upper lip helmet-shaped and the lower lip 3-lobed with a median lobe larger than the lateral ones.
- Fruit : achene smooth, circa 2 mm long.
- Risk of confusion with Lamium purpureum L. (which has crenate bracts ), Lamium amplexicaule L. (which has amplexicaul bracts).
- Biological type: Annual.
Mistake with: Lamium purpureum
Ecological profile (click on flags):
Present
Rare
Present
Rare
