noun
winter annual; biennial plant
Botanical term for a plant that overwinters and completes its life cycle in two years, or a winter annual that germinates in autumn and flowers the following spring. Compare with 二年生植物, which is a more common synonym.
See also: 二年生植物
Winter annuals germinate in autumn and flower the following spring.
この越年生植物は二年かけて種子をつける。
This biennial plant takes two years to produce seeds.