I suspect you have the Rough lemon or Rangapur Lime but you have...

I suspect you have the Rough lemon or Rangapur Lime but you have mis-named it Trifoliata.

Trifoliata is used for heavy soils and gives a relatively small tree,

The rootstock Citrange is often used instead of Rough lemon.

The rough lemon rootstock often suckers giving this fruit.'


This citrus graft shows suckering rough lemon shoots from below the graft.