Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : linsu
Synonym(s) of Sc. name:
Classification: Scrophulariaceae, Dicotyledonous
Common name: prostrate toadflax
Synonym(s) of Common name:
Name per country: DE : Zwerg-Leinkraut ; ES : linaria supina ; FR : linaire couchée ; IT : linajola dei serpentini ; PT : ansarina-amarela ; EN : prostrate toadflax ;
Biological type: Annual
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- Cotyledons lemon-shaped.
- Leaves entire, lanceolate, more or less toothed.
- Height: 10-30 cm. Plant glaucous, hairless in the lower part, hairy glandular at the inflorescence.
- Stem: prostrate, spreading, leafless below the raceme.
- Leaves: lower opposite, the later alternate narrow, rarely ovate -elongate, entire, sessile. Upper leaves numerous, very often positioned sideways onto the stem, most of them 3-5 in whorls.
- Flowers yellow (sometimes purple-tinged) with a dark-yellow palate and a straight spur, in a short closed raceme.
- Fruit : capsule subglobose nearly round, few-haired and a little longer than the surrounding persistent calyx. Seeds flat, slightly convex, with black sides and a broad (1.7-2.8 mm) grey wing.
- Annual plant with adventitious buds. Rare in crops.
- Biological type: annual.
Mistake with: Linaria arvensis , Linaria simplex (at vegetative stage), Linaria repens (at seedling stage).
Ecological profile (click on flags):
Rare
Rare
