Myouga (茗荷) is an edible ginger plant. 

[[nishida_satono|Nishida Satono]] of the [[touhou|Touhou]] series is depicted as holding a myouga plant in her left hand, similar to the character she is named after, Nishida, who was a servant of Matarajin and is also depicted with a myouga plant.

https://en.wikipedia.org/wiki/Myoga