Dianthus caespitosus, called the Karoo pink or koperangelier, is a species of flowering plant in the family Caryophyllaceae.

It is indigenous to the south-western Cape of South Africa, where it occurs on dry rocky slopes from Worcester in the west, northwards to Botterkloof near Clanwilliam, south to Genadendal and Riversdale, and eastwards to Uitenhage.

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