Allamanda

Allamanda is a tropical plant originating in Latin America. It produces throughout the year of the yellow flowers in the shape of bell, which returns it appreciated as a plant of ornament. Allamanda belongs to the family of the dogbanes (Apocynaceae). The origin of the name Allamanda comes from the Swiss botanist Dr. Frederic-Louis Allamand (1735-1803).

Allamanda is a plant with vigorous growth being able to reach 2 meters or more. The odor which it releases is fruity and delicate. In nature, Allamanda pushes along the rivers and other places sunny profiting from strong precipitations. The plant does not tolerate the shade, freezing, nor the dirty or alkaline grounds. Besides that, it is a robust plant which will push quickly under the suitable conditions. Cut, it takes again still more strength.

Allamanda is from now on widespread under all the tropical zones of the sphere. She is often seen along the roads or is used to cover surfaces on the ground or walls. In certain zones, she is even regarded as plants invading and harmful (for example in the state of Queensland in Australia).

Allamanda is also characterized by medicinal properties. She contains allamandin, a milk irritating and poison. The sheets, roots and flowers can be used for the preparation of cathartic powerful; the milky substance of the sap would also have properties antibactériennes and even anti-cancer. The gardeners who would have a contact with the sap can develop irritations and itchings.

Maintenance

Much light, frequent watering (2 to 3 times per week) with noncalcareous water. If required to vaporize the foliage during the hot season and to bring a manure every 15 days. In the moderated zones, the winter, to protect from freezing, to reduce the frequencies of watering and to cut before the return of the hot season.

Some species

  • Allamanda blanchetii
  • Allamanda cathartica
  • Allamanda schottii
  • Allamanda violacea

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