What is the meaning of Monophyletic?

Of, pertaining to, or affecting a single phylum (or other taxon) of organisms.

Deriving from a single clade (monophylum).

Descending from a single ancestral species.

1. Descending from a single ancestral species and containing all descendants of that single ancestor, holophyletic.
2. Descending from a single ancestral species but not containing all descendants of that ancestor, paraphyletic.

Descending from a single ancestral species and containing all descendants of that single ancestor, holophyletic.

Descending from a single ancestral species but not containing all descendants of that ancestor, paraphyletic.

congeneric

Source: wiktionary.org