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Can the genus name and specific epithet be exactly identical in plant scientific names?

Answer and explanation

Correct answer: No, such tautonyms are not accepted in plant nomenclature

Correct answer: B. In botanical nomenclature, a scientific name cannot use exactly the same word for the genus and the specific epithet; such a repeated form is called a tautonym and is not accepted for plants. The two parts of a plant binomial must be distinguishable in this sense. Option A is wrong because repetition is not mandatory. Option C is wrong because the rule is not limited to trees; it applies to plant names generally. Option D is wrong because scientific names follow internationally agreed nomenclatural rules, not personal preference. Do not confuse this with animal nomenclature, where some repeated forms have historically been accepted. Also remember that the second word is technically the specific epithet, not by itself the complete species name. Memory cue: plant binomials need two different-looking name parts.

Related tags

TautonymPlant NomenclatureBinomial RulesTaxonomyBinomial NomenclatureTaxonomy Binomial NomenclatureThe Living WorldBiologyClass 11 Mcq

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