| The chewing of areca-nut, as well as siri or betel-leaf, tobacco and gambir, is common to all classes. |
| The greatest height attained by the gambir plant is eight feet. |
| When cubical gambir or catechu, in powder, is treated with cold water, a portion remains undissolved. |
| Gambier was an extract made from the leaves and twigs of a vine that grew in India and the Malacca Islands, Uncaria gambir. |
| Dragons-blood and gambir are also the produce of the country. |
