What is Turnip rape

Turnip rape or nanohana, scientific name:rapa var. nippo-oleifera, is a cold-resistant grass in the Brassica genus, Brassicaceae Department. In bloom from early spring, spring breezes. Plant height is usually 50-80 cm, leave it alone and growing rapidly and reach up to 100 cm. January-may bloom many 4 valve yellow florets from the stem. Blooming on one side and looks like a yellow carpet is clean. Flowers, stems, and leaves are edible and nectar taken from flowers boiling, boiled and eaten. Canola oil is taken from a real flower after Saya (pod) in. Flowers the Kana of the crepe cabbage is used as cut flowers, and other types.　

General: Turnip rape, scientific name:rapa var. nippo-oleifera, aka Nanohana,rape, Brassica napus, rapeseed (canola), origin: Northern Europe, height: 50-80 cm, leaf: broad lanceolate, leaf: wavy, inflorescence: evapotranspiration (umbel) flowers, flower: yellow, flower diameter: 5-10 cm, flowering time: January-may