Faculty of Science and Technology flowers “Ratchaphruek Flower”
Scientific name : Cassia fistula is in the bean family (Fabaceae or Leguminosae) and is in the Ratchapruek subfamily. Caesalpinioideae or Caesalpinlaceae General name : Khun Local name : Kupaya (Karen-Kanchanaburi), Puyo Piyu Perso Malawyu (Karen-Mae Hong Son), Lak Kluea Lak Khoi (Karen), Ratchaphruek Chaiyaphruek (Central region ), Lomlaeng (Northern Region), Ratchaphruek (Southern Region) Ratchapruek Flower: is regarded as the national flower. Because the Ratchapruek tree (Koon tree) is classified as the national tree of Thailand. (According to the announcement of the Forest Department)