Brassica rapa
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B. rapa
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| Brassica rapa |
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Brassica rapa L. is a plant consisting of various widely cultivated subspecies including the turnip (a root vegetable); the mizuna, napa cabbage, bok choy, and cime di rapa (leaf vegetables); and the annual turnip rape (Brassica rapa subsp. oleifera, an oilseed which has many common names, including field mustard, bird rape, keblock, and colza).[1][2][3][4][5][6]
The oilseed is sometimes also called canola,[1] which is one reason why it is sometimes confused with rapeseed oil, but this comes from a different Brassica species (Brassica napus). The oilseeds known as canola are sometimes particular varieties of Brassica rapa (termed Polish Canola) but usually the related species Brassica napus (rapeseed) and Brassica juncea (mustard greens).[7]
In the 18th century the turnip and the oilseed-producing variants were seen as being different species by Carl Linnaeus who named them B. rapa and B. campestris. 20th-century taxonomists found that the plants were cross fertile and thus belonged to the same species. Since the turnip had been named first by Linnaeus, the name Brassica rapa was adopted.[8]
Many butterflies, including small white pollinate the B. rapa flowers.
Uses In 2015, a 6th grade science class in Trumbull, CT recently grew Brassica rapa as part of their plant unit. And are contributing their experimental findings and additional research on the plant. Brassica rapa also know as Wisconsin fast plants were discovered in Nepal.
Brassica rapa fast plants are vascular plants, angiosperms are have 2 cotyledon. They do not self-pollinate and need to be cross pollinated around day 20. The plants grows about 0.3 cm per day, and reached an average height of 13 cm in 35 days. It also completed its life cycle in that time period. We hope to harvest seeds from the pods
Fast Plants® (scientific name: Brassica rapa) are rapid-cycling Brassicas. They are members of the crucifer family of plants, closely related to cabbage, turnips, broccoli and other cruciferous vegetables. Bred for over 30 years at the University of Wisconsin – Madison by Professor Paul H. Williams, Fast Plants® today require little more attention than continuous fluorescent light, water, and fertilizer. The seeds that you grow in your classroom can be immediately planted or stored for up to 10 years in a refrigerator.
Cultivars
| Cultivar | Image | Name |
|---|---|---|
| Napa cabbage |  |
Brassica rapa subsp. pekinensis |
| Bok choy | .JPG) |
Brassica rapa subsp. chinensis |
| Rapini |  |
Brassica rapa var. rapifera |
| Mizuna |  |
Brassica rapa subsp. nipposinica |
| Komatsuna |  |
Brassica rapa subsp. perviridis |
| Tatsoi |  |
Brassica rapa subsp. narinosa |
| Turnip |  |
Brassica rapa subsp. rapa |
| Field Mustard |  |
Brassica rapa subsp. oleifera |
| Yellow Sarson |  |
Brassica rapa subsp. trilocularis |
| Choy sum |  |
Brassica rapa subsp. parachinensis |
References
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.[dead link]
External links
Media related to Brassica rapa at Wikimedia Commons- Multilingual taxonomic information from the University of Melbourne
- PROTA (Plant Resources of Tropical Africa) database record on Brassica rapa L.
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- The official Fast Plants website.
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