“Biennial plant” in Japanese
Short answer
Biennial plant in Japanese is “二年生植物” (ninenseishokubutsu). Full meaning: biennial plant.
Other ways to say “Biennial plant” in Japanese
二年草
ninensou biennial, biennial plant
越年草
etsunensou winter annual, biennial, biennial plant
越年生植物
etsunenseishokubutsu winter annual, biennial, biennial plant
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