| 茨 |
cí gu | arrowhead (Sagittaria subulata, a water plant) |
| 茨 |
cí | Caltrop or puncture vine (Tribulus terrestris) / to thatch (a roof) |
| 菰 |
gū | Manchurian wild rice (Zizania latifolia), now rare in the wild, formerly harvested for its grain, now mainly cultivated for its edible stem known as 茭白笋, which is swollen by a smut fungus / variant of 菇 |