plesiomorphy

Noun

Meaning

plesiomorphy (plural plesiomorphies)

(cladistics) A character state that is present in both outgroups and in the ancestors

Antonyms

Examples

By contrast, for a group within the tetrapods, such as birds, having four limbs is a plesiomorphy. Source: Internet

The terms plesiomorphy and apomorphy are relative; their application depends on the position of a group within a tree. Source: Internet

When two or more taxa that are not nested within each other share a plesiomorphy, it is a symplesiomorphy (from syn-, "together"). Source: Internet

Close letter words and terms