Definition

In the world there are about 15 types of Gourami stretching from the Hymalaya range to Oceania.

+ Scientific name: The type of Gourd is found by scientists to be capable of high deposition: Aquilaria crassna Pierre ex Lecomte or Aquilaria agallocha Roxb .

- Last name: Thymeleaceae.
- Ministry: Thyméales.
- Class: Song-Prince-Diep
- Branch: Showing flowers (secret)

In the world, there are about 25 types of Dó Bau only scattered in Indochina countries.