二に年ねん生せい植しょく物ぶつにねんせいしょくぶつMeanings1nounbiennial plantbotanyBotanical term for a plant that completes its life cycle in two years, typically flowering and producing seed in the second year.二に年ねん生せい植しょく物ぶつは、一いち年ねん目めに葉はや茎くきを成せい長ちょうさせ、二に年ねん目めに花はなを咲さかせて枯か