plesiomorphic

English

Etymology

From plesiomorph +‎ -ic.

Pronunciation

• (General American) IPA^(key): /ˌplizioʊˈmɔɹfɪk/
• Hyphenation: ple‧sio‧mor‧phic

Adjective

plesiomorphic (comparative more plesiomorphic, superlative most plesiomorphic)

1. (cladistics) Sharing a character state with an ancestral clade; primitive.
   • 2000, Christine A. Nalepa, Claudio Bandi, “Paedomorphosis and Termite Evolution”, in Termites: Evolution, Sociality, Symbioses, Ecology, →ISBN, page 68:

     [T]he cockroach Polyphaga may represent a condition more plesiomorphic than in other Dictyoptera, but it could as well be paedomorphic, and therefore more derived than in other Dictyoptera [72].

2. Plesiomorphous.

Synonyms

• primitive, basal

Derived terms

• plesiomorphically

Related terms

• plesiomorphy
• apomorphic
• paedomorphic