noun
APG system; Angiosperm Phylogeny Group system
A modern botanical classification system for flowering plants, developed by the Angiosperm Phylogeny Group. Used in academic and scientific contexts.
ＡＰＧ植物分類体系では、従来の科の分類が大きく見直された。
In the APG system, the traditional classification of families was significantly revised.
From English 'APG' (Angiosperm Phylogeny Group) + 植物分類体系 (plant classification system).