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

Bayer Code : epiac

Scientific name: Epilobium ciliatum Rafinesque


Synonym(s) of Sc. name: Epilobium adenocaulon Hausskn.

Classification: Onagraceae, Dicotyledonous

Common name: american willowherb

Synonym(s) of Common name:

Name per country: DE : Bewimpertes Weidenröschen ; ES : epibolio ciliado ; FR : epilobe cilié ; IT : garofanino ciliato ; EN : american willowherb ; NL : gewimperde basterdwederik ;

Biological type: Perennial


Seedling:

- Cotyledons ovate-rhomboidal, rounded at the tip, entire.

- Leaves entire, elliptic, glabrous.


Adult plant snapshotAdult plant snapshot Adult plant:

- Height: 30 to 80 cm.

- Stem erect, shortly glandular-pubescent, with 2-4 longitudinal lines.

- Leaves: lower opposite, upper alternate, oblong-lanceolate, minutely dentate, rounded to subcordate at base with short petiole (1-4 mm).

- Flowers pink with 4 bifid petals, in loose terminal racemes; stigma clavate.

- Fruit: linear capsule up to 5 cm long, much longer than pedicel. seeds with plume on a short appendage.

- Rare in cultivated fields.

- Not to be confused with: Epilobium montanum , Epilobium parviflorum , Epilobium roseum , Epilobium tetragonum subsp. tetragonum .

- Biological type: perennial.

Mistake with: Epilobium montanum , Epilobium parviflorum , Epilobium roseum , Epilobium tetragonum


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