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

Bayer Code : alspa

Scientific name: Alisma plantago-aquatica L.

Synonym(s) of Sc. name:

Classification: Alismataceae, Monocotyledonous

Common name: water plantain

Synonym(s) of Common name:

Name per country: DE : Gemeiner Froschlöffel ; ES : llanten de agua ; FR : plantain d'eau ; IT : mestolaccio comune ; PT : orelha-de-mula ; EN : water plantain ;

Biological type: Perennial

Seedling:

- Cotyledons : linear and glabrous.

- Leaves : linear, sessile and prostate.

Adult plant:

- Height : 30-120 cm.

- Stem : erect and glabrous; rhizome tuberous.

- Leaves : all basal with petiole 3-5 times as long as the blade, dilated spongy base; blade 10-12x3-6 cm, green, ovate -lenghtened, sometimes sub-cordate or auriculate at base; 5 conspicuous veins.

- Inflorescence : panicle on erect axis with 3-6 whorled stalks; flowers with white-pink sepals and usually white petals 3 up to 4 mm; stigmas 0.7-1.4 mm.

- Fruit : fruitlets 2-3 mm; lateral pericarp thickish, opaque.

- Biological type : perennial.

Mistake with: Alisma lanceolata

Ecological profile (click on flags):   Present       Present       Present       Present    

Copyright © 2000-2001 INRA, all rights reserved ; J.-P. Lonchamp, Nov. 2000
http://www.dijon.inra.fr/bga/hyppa/hyppa-a/alspa_ah.htm ,