👉 In biology, a "planarian" is a type of plant that has developed a primary, or primary, reproductive organ in its stem. Planarians are classified into two categories:
1.
Polygynophytes
: This category includes plants with more than one primary reproductive organ. Polygynophytes have two primary reproductive organs - an ovary and a stipe.
2.
Dendroplanaria
: These are plants that have only one primary reproductive organ, typically