0 happening once every two years
1 a plant that lives for two years, producing seeds and flowers in its second year
2 happening once every two years:
a biennial exhibit
3 a plant that lives for two years, producing seeds and flowers in its second year
4 happening once every two years:
a biennial conference
Seeds that germinate in late autumn become biennials.
Plants used for bedding are generally annuals, biennials or tender perennials; succulents are gaining in popularity.
Though perennial, cultivars may be short-lived and thus best treated as biennials.
Most are seasonal plants (annuals or biennials), but some are small shrubs.
The term is often used to differentiate a plant from shorter-lived annuals and biennials.
Herbs can be perennials such as thyme or lavender, biennials such as parsley, or annuals like basil.
They are biennials (rarely short-lived perennials) with branched, spinose winged stems, growing 0.53 m tall.
They can be annuals, biennials, or perennials, upright or decumbent.
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兩年一次的, (第二年開花的)兩年生植物…
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两年一次的, (第二年开花的)两年生植物…
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bienal…
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bienal…
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iki yılda bir olan…
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bisannuel…
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toårig…
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