Desfontainia is a genus of flowering plants placed currently in the family Columelliaceae, though formerly in Loganiaceae, Potaliaceae (now subsumed in Gentianaceae), or a family of its own, Desfontainiaceae.
The genus was named for the French botanist, René Louiche Desfontaines.
It is hardy to −5 °C (23 °F), and requires winter protection in areas with significant frosts.
Species in the genus include:
Desfontainia fulgens D.Don - Chile, Argentina (Neuquén, Río Negro)
Desfontainia spinosa Ruiz & ...
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