| 释义 |
Definition of abscission layer in English: abscission layernoun 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 layernoun 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. |