Polyphyletic groups are problematic in taxonomy because they:
Include all descendants of a common ancestor.
Include the most recent common ancestor and all its descendants.
Do not include the most recent common ancestor of all members.
Represent a single evolutionary lineage.
Related Questions
The first phylogenetic system of plant classification was proposed by
Engler
Engler and Prantl
Eichler
Bentham and Hooker
Two plants can be conclusively said to belong to the same species if they
Can reproduce freely with each other and form seeds
Have more than 90 percent similar genes
Look similar and possess identical secondary metabolites
Have same number of chromosomes.
