Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : equte
Synonym(s) of Sc. name: Equisetum maximum auct., Equisetum majus Gars.
Classification: Equisetaceae, Equisetaceae
Common name: great horsetail
Synonym(s) of Common name:
Name per country: DE : Riesen-Schachtelhalm ; ES : rabo de mula ; FR : prêle géante ; IT : equiseto massimo ; PT : cavalinha. ; EN : great horsetail ;
Biological type: Perennial with rhizomes
- Plant propagates mostly vegetatively (rhizomes...); establishment from seedling is rare.
- Height: 20-120 cm, according to the nature of stems (sterile or fertile). Underground stem stout and extensive (rhizome ) without cavity persisting during the summer.
- Stems sterile (up to 120 cm; 12 mm in diameter), ivory-white, finely striated, smooth, with a large central cavity; short sheaths ; numerous whorls of green branches, simple, long 8-angled.
- Stem fertile (up to 40 cm, 15 mm in diameter), light-yellow or brown, simple, smooth; brown campanulate sheaths, with 20-30 linear teeth.
- Fruiting: big spike (4-8 cm x 1-2 cm), oblong, with the sporangia.
- Rare in crops.
- Risk of confusion with Equisetum arvense L.
- Biological type: Perennial with rhizomes.
Mistake with: Equisetum arvense
Ecological profile (click on flags):
Rare
Rare
Present
Present
