+4 = 8 

ㄑㄧㄢˋqiàn

  1. 植物睡蓮草本大有夏日終結芡實」,入藥雞頭」。

Gorgon plant, fox nut (Gorgon euryale or Euryale ferox)​, makhana (Hindi)​
amidon, fécule
Stachelseerose, Euryale ferox (Eig, Bio)​