Biennial plant
A biennial plant is a flowering plant that, generally in a temperate climate, takes two years to complete its biological life cycle.[1][2]
- ^ "Annual, Perennial, Biennial?". Texas Cooperative Extension. Archived from the original on 14 August 2012. Retrieved 31 August 2012.
- ^ "Biennial". Oxford Dictionaries. Oxford University Press. Archived from the original on August 3, 2016. Retrieved August 9, 2016.