Genus
Saxifraga (Saxifrages)
Saxifraga mertensiana. Photo: (c) Michael Kauffmann, some rights reserved (CC BY-ND)
Saxifraga is the largest genus in the family Saxifragaceae, containing about 440 species of holarctic perennial plants, known as saxifrages or rockfoils. The Latin word saxifraga means literally “stone-breaker”, from Latin saxum (“rock” or “stone”) + frangere (“to break”). It is usually thought to indicate a medicinal use for treatment of urinary calculi (known as kidney stones), rather than breaking rocks apart.
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