An herb(Brassica oleracea var.botrytis)in the mustard family, related to the cabbage and broccoli and having a whitish undeveloped flower with a large, edible head.

• 花椰菜十字花科的一种草本植物（芸苔属甘蓝或花椰菜），与洋白菜和花茎甘蓝有联系，生有白色未充分发育的花朵和有大的可食的花头