| The national flower is the ceibo and the most symbolically significant tree is the ombu. |
| In a few moments the gigantic water-spout struck the ombu and enveloped it in its watery folds. |
| The ombu is the marvel of the Pampas, the sole tree which the locust refuses to touch. |
| In a few moments the gigantic water-spout struck the ombu, and enveloped it in its watery folds. |
| Since it is impossible to burn the non-existent, you cannot, obviously, have recourse to the ombu to cook your lunch. |
| There are very few wild trees to be seen, except on the highlands an occasional specimen of the ombu or Algaroba species. |
