Nanohana
Rapeseed Flowers
Canola Flowers
Flower Language
- Unexpected Encounter
- Cheerfulness
- Small Happiness
- Full of Energy
Characteristics
Description
General term for Brassicaceae plants native to Japan, China, and Southern Europe. Cultivation began in Edo period for rapeseed oil extraction. Now diversely used for ornamental, food, and oil production. Buds, flower stems, and young leaves are edible with characteristic mild bitterness and fresh texture. Vitamin-colored yellow flowers brighten people's spirits.
Trivia
- Scientific name 'rapa' means turnip, diverse vegetables derived from same species
- Rapeseed oil important as lamp oil in Edo period
- Green-yellow vegetable especially rich in β-carotene and vitamin C
- Nanohana fields have significant economic impact as tourist destinations
Uses
Ornamental
- Nanohana fields created for viewing
- Used as cut flowers
- Spring garden decoration
Medicinal
- No particular medicinal effects known
- Contributes to health as nutritious green-yellow vegetable
Caution: No particular cautions needed
Culinary
- Buds
- Flower stems
- Young leaves
Other
- Rapeseed oil source
- Green manure for soil improvement
- Biodiesel fuel source
Toxicity
Symptoms: