BASAL

Basal

In phylogenetics, a basal clade is the earliest clade to branch in a larger clade; it appears at the base of a cladogram.

The above text is a snippet from Wikipedia: Basal (phylogenetics)
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basal

Noun

  1. Any basal structure or part

Adjective

  1. Relating to, or forming, the base, or point of origin.
  2. In a phylogenetic tree, being a group, or member of a group, which diverged earlier.
    Hittite is a basal Indo-European language.
    A magnolia is a basal angiosperm.


The above text is a snippet from Wiktionary: basal
and as such is available under the Creative Commons Attribution/Share-Alike License.

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