Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : cnhor
Synonym(s) of Sc. name: Brassica orientalis L., Erysimum perfoliatum Crantz Erysimum orientale R. Brown
Classification: Cruciferae, Dicotyledonous
Common name: hare's-ear mustard
Synonym(s) of Common name:
Name per country: DE : Weißer Ackerkohl ; ES : berza oriental ; FR : roquette d' orient ; IT : conringia orientale ; PT : ; EN : hare's-ear mustard ;
Biological type: Annual
.
- Cotyledons elongate, spoonlike.
- Leaves entire, elliptic or ovate, margin entire.
- Height: 10-60cm. Plant glabrous and glaucous.
- Stem erect, simple, cylindrical. Extensive principal root.
- Leaves : basal leaves short-stalked, long, obovate, with an entire margin. Leaves elliptic, oblong, cordate. Cauline leaves sessile, clasping the stem by 2 broad and truncate pricks.
- Flowers yellowish or white-greenish (1-1.5 cm) in few-flowered racemes, on erect and straight pedicels. Calyx erect.
- Fruits : siliques tetrangular, erect, very long (5-14 cm). Seeds ovate, glabrous, 2-2.5 mm long, brown.
- Plant bolting with cereals and fitting its life-cycle with that of cereals. Rare in crops.
- Biological type: annual.
Ecological profile (click on flags):
Rare
Rare
Rare
Present
