Refers to the vegetable cauliflower. The kanji literally mean 'flower vegetable'.
Let's put cauliflower in tonight's salad.
ブロッコリー is broccoli, a closely related vegetable, while 花野菜 is specifically cauliflower.
カリフラワー is the loanword 'cauliflower', used interchangeably with 花野菜 but more common in modern contexts.
Standard kanji spelling for cauliflower.
Alternate kanji spelling using 椰; less common.
Compound of 花 (flower) and 野菜 (vegetable), literally 'flower vegetable', referring to the appearance of the cauliflower head.