expression, noun
rape blossoms; rapeseed flowers
Refers to the bright yellow flowers of the rapeseed plant, often associated with spring scenery and cooking.
See also: 菜 (な)
春になると、一面に菜の花が咲く。
In spring, rape blossoms bloom all over.
菜の花のおひたしは春の味覚だ。
Blanched rapeseed flowers are a taste of spring.
菜 is a broader term for edible greens or vegetables, while 菜の花 specifically refers to the flowers of the rapeseed plant.
Compound of 菜 (na, 'edible greens') + の (possessive particle) + 花 (hana, 'flower'), literally 'flowers of the greens'.