Family name:
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Cruciferous plants |
Scientific name:
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Brassica napus L. ssp. Napus |
Family name latin:
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Brassicaceae |
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| Description: |
Up to 2 m high, this annual to biennial herb becomes very patulous (widespreading) with age; it has smooth, blue-green pruinose leaves and yellow flowers in clusters; these commence to blossem from the bottom upwards, thus the buds project above the already blooming flowers; partly entomogamous (very good bee pasture); for seeding in the previous year flowering season: IV - V, when the seeding takes place in the spring: VIII - X; deep-rooting plant, important oil crop; source material for margarine; recently also used to produce fuel;
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| Occurence: |
Only rarely gone wild along paths or on rubble heaps; in some regions however cultivated to a considerable extent;
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| Related species: |
Brassica napus L. ssp. rapifera Mtzg., swede turnip; like rape; Brassica rapa L., field mustard; purely cultivated plant (IV - IX); Brassica oleracea L., wild cabbage; cultivated in numerous types and variations, e.g. marrow cabbage, curly kale, white cabbage, red cabbage, brussels sprouts, savory cabbage, cauliflower, broccoli and kohlrabi; (V - IX); Brassica nigra (L.) Koch, black mustard; gone wild as an ancient cultivated plant and naturalized in the main river valleys (VI - IX);
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| Allergy trigger: |
Pollen, approx. 20 x 40 µm;
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| Invasions path: |
Inhalative (April - July); ingestive (rape honey, mixed honeys);
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| Allergology: |
Not of primary importance as an inhalative allergen, since the air only contains a noticeable amount of pollen in regions of intense cultivation;
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| Clinical relevance: |
light
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| Cross reactivities: |
Occurrence possible- Birch, Weeping
- Bermuda grass
- Ryegrass, perennial
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