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Thread: Picky nomenclature question

  1. #1

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    Hybrids are usually designated with an 'x' to clarify it's a hybrid, rather than a distinct species.

    I've heard that this rule is waived in the case of naturally occurring, fertile, stable hybrids.

    Is this correct?

    Thus, D. spatulata x D. rotundifolia = D. tokaiensis, rather than D. x tokaiensis, because it is natural, fertile, and stable.

    What about S. x wrigleyana? I know it's naturally occurring... is it fertile and stable? Can it be written as S. wrigleyana?
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    Stay chooned in for more! Clint's Avatar
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    I use an X.

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