monophyly
Noun
Meaning
monophyly (uncountable)
(systematics) In cladistics, the condition of being monophyletic, of including all descendants from a given ancestral species.
Antonyms
Related terms
Examples
Molecular studies have both confirmed the monophyly of the monocots and helped elucidate relationships within this group.
Navioideae is split from Pitcairnioideae based on its cochlear sepals and chloroplast DNA. citation Puyoideae has been re-classified multiple times and its monophyly remains controversial according to analyses of chloroplast DNA.
Description In magnolias, the flower parts are arranged spirally, not in whorls The monophyly of Magnoliaceae is supported by a number of shared morphological characters among the various genera in the family.
Definitions of monophyly vary; for the one used here see e.g. citation.
Note that this is not the same as a monophyly in which all descendants of a common ancestor are included.
Others argue to retain monophyly only in higher taxa, but that the special status of species should excuse them from the monophyly prerequisite.