+8 = 12

ㄍㄨ

ㄍㄨgū
Manchurian wild rice (Zizania latifolia)​, now rare in the wild, formerly harvested for its grain, now mainly cultivated for its edible stem known as 茭白筍|茭白笋[jiao1 bai2 sun3], which is swollen by a smut fungus, variant of 菇[gu1]
Champignon (S)​, Wildreis (Zizania)​ (S, Ess)​
zizania, zizanie