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

Bayer Code : teenu

Scientific name: Teesdalia nudicaulis (L.) R. Brown


Synonym(s) of Sc. name:

Classification: Cruciferae, Dicotyledonous

Common name: shepherd's cress

Synonym(s) of Common name:

Name per country: DE : Bauernsenf ; ES : pan y queso ; FR : teesdalie à tige nue ; IT : teesdalia ; PT : ; EN : shepherd's cress ;

Biological type: Annual


Seedling:

- Cotyledons roundish spoon-shaped, very small (up to 2 mm of diameter), with a long petiole (3-4 mm long).

- The first foliage leaves are similar to the cotyledons (long petiole with a small round leaf blade), following leaves lobed to pinnate, all in rosettes.


Adult plant snapshot Adult plant:

- Height: 5-20 cm.

- Stem upright, glabrous, usually leafless.

- Foliage leaves pinnately lobed to pinnatifid, in a rosette, up to 5 cm long.

- Flowers white, initially in small cymes, later in false spikes ; petals slender- elliptical, outer ones bigger than inner ones.

- Fruit : silicula, broad-elliptical, narrowly winged, flat, 3-4 mm.

- Seed broad-elliptical to round, yellow to red-brown, 1-1,2 mm.

- Acidophil, sandloving, indicator for nutrient deficiency.

- Biological type: annual

- Spread: decreasing in Great-Britain because of the increasing nutrient supply on the fields.


Ecological profile (click on flags): Germany   Rare     Denmark  Rare     Portugal  Present    

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