Dianthus repens, common name boreal carnation or northern pink or cu jing shi zhu (in Chinese) is a plant species native to the Nei Mongol (Inner Mongolia) region of China, as well as to Siberia, the Russian Far East, northern parts of European Russia (Komi, Arkhangelsk, etc.), Alaska and Yukon Territory.Dianthus repens is a perennial herb with many stems clumped together, sometimes erect but other times forming a mat pressed against the ground.