Atractylodes lancea (syns.

Atractylodes chinensis, Atractylodes japonica, Atractylodes ovata; Japanese: オケラ, romanized: okera, Eastern ukera, ukira) is a species of flowering plant in the family Asteraceae, native to Vietnam, most of China, Korea, the southern Russian Far East, and Japan.

[1] It is the source of cāng zhú (蒼朮), a Chinese herbal medicine sold to people suffering from a variety of ailments.

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