G. tinctoria may refer to:
- Gaillonia tinctoria, a plant species endemic to Yemen
- Genista tinctoria, the dyer's greenweed, a plant species
- Gunnera tinctoria, the Chilean rhubarb, a plant species native to southern Chile and neighbour zones in Argentina
See also
edit- Garcinia tinctoria, a synonym of Garcinia xanthochymus