Fraxinus uhdei, commonly known as tropical ash or Shamel ash, is a species of tree native to Mexico and Central America. It is commonly planted as a street tree in Mexico and the southwestern United States.
Like other species in the section Melioides, Fraxinus uhdei is dioecious, with male and female flowers produced on separate individuals.
The name Shamel ash refers to Archie Shamel, who introduced the trees to California in the 1920s.
In Southern California, mature Shamel ash trees (Fraxinus uhdei) typically grow 50 to 80 feet tall with a canopy spread of 40 to 60 feet. They are known as very fast growers and can easily reach 25 to 40 feet within their first 10 to 20 years.