Refers to the vegetable cauliflower. The kanji literally mean 'flower vegetable'.
Let's put cauliflower in tonight's salad.
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.