Question

Merits and demerits of apg system of classification

Answer 1

The APG system of classification refers to the classification of flowering plants according to the Angiosperm Phylogeny Group.

Merits

1. It adopts the phylogenetic principle of monophyly.

2. It has derived information from sources like morphology, embryology, molecular biology, anatomy, palynology, and phytochemistry.

3. Formal names are given only where monophyly has been firmly established.

4. It is based on the recent advances in research and is gaining authority.

Demerits

1. It is limited to the taxonomic level of order and family.

2. It is not very popular.

3. Several families or genera have not been placed yet.

4. The orders are recognized under informal groups like Magnoliids, Eudicots. These names do not conform to the ICBN.

Answer 2

Answer:

It has derived information from sources like morphology, embryology, molecular biology, anatomy, palynology, and phytochemistry. 3. Formal names are given only where monophyly has been firmly established