Plantae > Tracheophyta > Magnoliopsida > Brassicales > Brassicaceae > Brassica > Brassica napus

Brassica napus (Rapeseed)

Synonyms: Brassica rugosa

Wikipedia Abstract

Rapeseed (Brassica napus), also known as rape, oilseed rape, rapa, rappi, rapaseed (and, in the case of one particular group of cultivars, canola), is a bright-yellow flowering member of the family Brassicaceae (mustard or cabbage family), consumed in China (油菜籽: Mandarin Pinyin yóucài; Cantonese:yau choy) and Southern Africa as a vegetable. The name derives from the Latin for turnip, rāpa or rāpum, and is first recorded in English at the end of the 14th century. Older writers usually distinguished the turnip and rape by the adjectives 'round' and 'long' (-'rooted'), respectively. Rutabagas, Brassica napobrassica, are sometimes considered a variety of B. napus. Some botanists also include the closely related B. rapa within B. napus.
View Wikipedia Record: Brassica napus



Bloom Period [1]  Early Spring
Drought Tolerance [1]  Low
Edible [2]  May be edible. See the Plants For A Future link below for details.
Fire Tolerance [1]  None
Flower Type [2]  Hermaphrodite
Frost Free Days [1]  4 months 10 days
Fruit/Seed Abundance [1]  High
Fruit/Seed Begin [1]  Summer
Fruit/Seed End [1]  Summer
Growth Form [1]  Single Crown
Growth Period [1]  Spring, Fall, Winter
Growth Rate [1]  Rapid
Hazards [2]  The oil contained in the seed of some varieties of this species can be rich in erucic acid which is toxic. However, modern cultivars have been selected which are almost free of erucic acid.
Leaf Type [1]  Deciduous
Lifespan [2]  Annual/Biennial
Pollinators [2]  Bees, Bats
Propagation [1]  Seed
Regrowth Rate [1]  Slow
Root Depth [1]  6 inches (15 cm)
Seed Spread Rate [1]  Moderate
Seed Vigor [1]  High
Seeds Per [1]  156960 / lb (346037 / kg)
Shape/Orientation [1]  Erect
Structure [4]  Herb
Usage [2]  The seed contains up to 45% of an edible semi-drying oil, it is used as a luminant, lubricant, in soap making etc; Rapeseed oil has potential market in detergent lubrication oils, emulsifying agents, polyamide fibres, and resins, and as a vegetable wax substitute. According to the Chemical Marketing Reporter (April 26, 1982) "the most common use for the oil is still in the production or erucic acid, a fatty acid used in turn in the manufacture of other chemicals; The seed husks are used in plastering house walls; A good green manure, the deep taproot improves drainage and loosens heavy soils;
Vegetative Spread Rate [1]  None
Flower Color [1]  Yellow
Foliage Color [1]  Dark Green
Fruit Color [1]  Black
Fall Conspicuous [1]  Yes
Flower Conspicuous [1]  Yes
Height [2]  3.936 feet (1.2 m)
Hardiness Zone Minimum [1]  USDA Zone: 8 Low Temperature: 10 F° (-12.2 C°) → 20 F° (-6.7 C°)
Light Preference [3]  Mostly Sunny
Soil Acidity [3]  Neutral
Soil Fertility [3]  Rich
Soil Moisture [3]  Mostly Dry
Water Use [1]  Moderate
Screening - Summer [1]  Dense
Screening - Winter [1]  Dense
View Plants For A Future Record : Brassica napus

Protected Areas



Parasitized by 
Erysiphe cruciferarum[6]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Svalbard Global Seed Vault


External References

USDA Plant Profile



Attributes / relations provided by
1USDA Plants Database, U. S. Department of Agriculture
2Plants For A Future licensed under a Creative Commons License
3ECOFACT 2a Technical Annex - Ellenberg’s indicator values for British Plants, M O Hill, J O Mountford, D B Roy & R G H Bunce (1999)
4Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
5Biological Records Centre Database of Insects and their Food Plants
6Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
7Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P. ScaleNet 4 November 2009
8New Zealand Institute for Plant & Food Research Plant-SyNZ™ database
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
GBIF Global Biodiversity Information Facility
Abstract provided by DBpedia licensed under a Creative Commons License