👉 Onosandrus is a genus of small to medium-sized trees that belong to the family Rutaceae, commonly known as the "onosands". These trees are native to Asia and have been cultivated for centuries due to their beauty, durability, and ability to tolerate various climates. The specific species within this genus include Onosandrus japonicus, which is a popular ornamental tree in Japan and has gained international recognition for its unique appearance and cultural significance.