Unusual growth on container citrus

QuestionsUnusual growth on container citrus
Feargal O'Neill Staff asked 16 years ago

I have an indoor dwarf orange tree; recently a shoot has grown from it which is not normal compared with the others, its leaves are much larger and it has long thin thorns. The leaves also have winged petioles like a grapefruit. What is the cause of this unusual growth and should it be removed?