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词汇 epicormic
释义

Definition of epicormic in English:

epicormic

adjective ˌɛpɪˈkɔːmɪkˌepiˈkôrmik
Botany
  • (of a shoot or branch) growing from a previously dormant bud on the trunk or a limb of a tree.

    〔植〕(新梢或嫩枝)休眠芽发出的

    Example sentencesExamples
    • In older wood, epicormic shoots often result from severe defoliation or radical pruning.
    • Analysis of height vs. diameter ratios among different tree subgroups, with and without epicormic branching, suggested that trees with epicormic branches generally have a low level of secondary growth compared with primary growth.
    • Analyses were performed in duplicate on each of the 12 radiata trees that developed epicormic shoots and were used as the plant material source.
    • In some species these buds can persist for years and even decades, but with damage or altered environmental conditions, hormonal changes can induce the development of the epicormic buds into new branches.
    • These buds may have developed into plagiotropic branches or orthotropic epicormic shoots.

Origin

Early 20th century: from epi- 'upon' + Greek kormos 'tree trunk'.

Definition of epicormic in US English:

epicormic

adjectiveˌepiˈkôrmik
Botany
  • (of a shoot or branch) growing from a previously dormant bud on the trunk or a limb of a tree.

    〔植〕(新梢或嫩枝)休眠芽发出的

    Example sentencesExamples
    • These buds may have developed into plagiotropic branches or orthotropic epicormic shoots.
    • Analyses were performed in duplicate on each of the 12 radiata trees that developed epicormic shoots and were used as the plant material source.
    • In older wood, epicormic shoots often result from severe defoliation or radical pruning.
    • In some species these buds can persist for years and even decades, but with damage or altered environmental conditions, hormonal changes can induce the development of the epicormic buds into new branches.
    • Analysis of height vs. diameter ratios among different tree subgroups, with and without epicormic branching, suggested that trees with epicormic branches generally have a low level of secondary growth compared with primary growth.

Origin

Early 20th century: from epi- ‘upon’ + Greek kormos ‘tree trunk’.

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