Difference between Carob Tree and Jerusalem Thorn

CAROB TREE vs JERUSALEM THORN: NOUN

Spiny tree having dark red edible fruits
Thorny Eurasian shrub with dry woody winged fruit
East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
Large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States

Pandanus, Tamarind tree, Hackberries, Holm oak, Breadfruit tree, Mulberry tree, Casuarinas, Linden tree, Honey locust, Coniferous tree, Camphor tree, Ceratonia siliqua, Carob bean tree, Algarroba, Carob

Retem, Undershrub, Shrub, Pea tree, Xylosma, Smoke tree, Japanese angelica tree, Ziziphus jujuba, Parkinsonia aculeata, Paliurus spina christi, Jujube bush, Horsebean, Acacia catechu, Catechu, Jujube

Ocotillo, Yaupon, Podocarpus, Avocado tree, Pandanus, Tamarind tree, Hackberries, Holm oak, Breadfruit tree, Casuarinas, Linden tree, Honey locust, Coniferous tree, Camphor tree, Carob

Makomako, Umbrella tree, Oregon grape, Daisybush, Alatern, Shrublet, Arbustive, Fetterbush, Retem, Undershrub, Shrub, Pea tree, Xylosma, Smoke tree, Japanese angelica tree

The carob tree, has a fruit that looks like a dark brown pea pod, which carries pulp and seeds.
Once Honi was walking along the road when he saw a man planting a carob tree.
It's served with butter infused pecans and algarrobina, an extract from the black carob tree.