The botanical name of macaroni wheat is

Durum wheat is also known as Pasta wheat or macaroni wheat. It is a tetraploid species of wheat and is the second most cultivated species of wheat after common wheat.
Durum in Latin means hard and the species is the hardest of all wheat. It contains about 12% total protein in defatted flour compared to 11% in common wheat also durum wheat contains 27% extractable wet gluten compared to 24% in common wheat.