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Having parts arranged in groups of two.‘Most basal Eudicots are dimerous or trimerous, with only occasionally pentamerous types (Sabiaceae, Ranunculaceae) which represent homoplasious trends.’
- ‘This thallus structure with dimerous organization allows Arenigiphyllum to be compared with extant members of Corallinales, both Corallinaceae and Sporolithaceae.’
- ‘These applanate thalli are dimerous and in many examples only have the prostrate filaments and one epithallial cell in the perpendicular system.’
- ‘The stele is divided into three parts, the tetramerous proxistele closest to the theca tapering through the mesistele to the dimerous dististele furtherest from the theca.’
- 1.1Consisting of two joints or parts.
Early 19th century from modern Latin dimerus (from Greek dimerēs ‘bipartite’) + -ous.
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