Dahlia merckii

  • Dr Henry Oakeley
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Attribution 4.0 International (CC BY 4.0)

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Dahlia merckii. Dr Henry Oakeley. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.

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Description

Dahlia mercki Lehm. Mexican dahlia. Orchidaceae. Distribution: Mexico. The chromosomes contain a gene which protects it against mildew and this gene has been transplanted into aubergines, so allowing them to resist this disease. Photographed in the Medicinal Garden of the Royal College of Physicians, London.

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