Arisaema ringens, the Japanese cobra lily (a name it shares with Arisaema sikokianum), is a species of flowering plant in the family Araceae, native to the Zhoushan Islands of China, Taiwan, South Korea, central Japan, and the Ryukyu Islands.

[1][2] A tuberous geophyte reaching 45 cm (18 in), in the wild they are found at low elevations in forests.

[3] A dioecious species, it is pollinated by flies.

[2] In the garden it needs moist, humus-rich soil, and is hardy in USDA zones 6 through 9.

This Araceae-related article is a stub.