+13 = 17 

ㄩㄥyōng

  1. 植物草本細長中空互生卵形開花花冠漏斗牽牛花相似通稱蕹菜」。俗稱空心菜」。

water spinach or ong choy (Ipomoea aquatica)​, used as a vegetable in south China and southeast Asia, Taiwan pr. [yong1]
Wasserspinat (S, Bio)​