Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : aysal
Synonym(s) of Sc. name: Alyssum calycium L., Alyssum conglobatum fil.et Jav, Alyssum incanum L.
Classification: Cruciferae, Dicotyledonous
Common name: small alison
Synonym(s) of Common name:
Name per country: DE : Kelch-Steinkresse ; ES : aliso alisoides ; FR : herbe de la rage ; IT : alisso annuo ; PT : ; EN : small alison ;
Biological type: Annual, Perennial
- Cotyledons round oval, shortly petiolate.
- Foliage leaves undivided, ovate, acuminate.
- Height: up to 30 cm; the whole grey very pubescent.
- Stem round, branches ascending from the base.
- Foliage leaves linear to ovate, entire, heavily haired, shortly petiolate.
- Flowers pale yellow, small, in dense clusters; remain on the plant becoming whitish.
- Fruit : round pods, 3-4 mm, with 4 seeds each.
- Biological type: annual, sometimes perennial.
- Spread: increasing in open and stony fields, esp. in winter crop in Great-Britain.
Ecological profile (click on flags):
Rare
Rare
