I have this tree, about 7-8′ high and can’t figure out what it’s called. Most characteristic are the long (2″) thorns on all the branches. It eventually bears a citru-like fruit about 2-3″ round with a tough yellow skin. My neighbor made a jam out of them and said that it was very bitter & tart.

Anyone know?


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  1. Poncirus trifoliata
    Often planted to discourage trespassing. Big ouch from the thorns. There are a number planted at BBG along Washington Ave. Another bigee at corner of Adelphi and Lafayette. Nice fragrance from flowers in spring and pretty little ornamental oranges in late summer.

  2. It is Trifoliate Orange. We have it here in Talladega, too. I think it was grown for the lovely fragrance of the flowers. Those thorns are nasty buggers. Fruit not good.