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词汇 abscission layer
释义

Definition of abscission layer in English:

abscission layer

noun
Botany

  • A layer of cells which develops at the base of a pedicel, petiole, etc., and then breaks down, causing the flower, leaf, etc., to fall off.

Origin

Early 20th century; earliest use found in Bulletin of the Torrey Botanical Club.

Definition of abscission layer in US English:

abscission layer

noun
Botany

  • A layer of cells which develops at the base of a pedicel, petiole, etc., and then breaks down, causing the flower, leaf, etc., to fall off.

Origin

Early 20th century; earliest use found in Bulletin of the Torrey Botanical Club.
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