Oha: Simple Facts, Uses, and Benefits You Want To Know -The botanical name of the Oha plant, which is a popular vegetable in Nigeria, is Pterocarpus mildbraedii. It is also known as Oha or Ora in the Igbo language and is commonly called the African Rosewood plant.  
Key Details 
Botanical Name: Pterocarpus mildbraedii
Common Names: Oha, Ora (Igbo), African Rosewood
Family: Fabaceae (Legume family)
Origin: Native to the Southeastern region of Nigeria, particularly among the Igbo people
Usage: The leaves are a key ingredient in the traditional Oha soup, a popular Nigerian dish.