International Aroid Society


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The spathe and spadix of Amorphophallus titanum by Kandis Elliot.

What is an Aroid?
Aroid is the common name for members of the Araceae family of plants, sometimes known as the Philodendron or Arum family. The occasionally beautiful and often bizarre combination of spathe and spadix called the inflorescence, sometimes referred to as a "flower", is a distinguishing feature of all aroids.

Aroid of the Day

Philodendron bipinnatifidum

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** IAS Show and Sale - September 17th in Miami **

Looking for information on Amorphophallus and Amorphophallus titanum?
- Check out the genus page on Amorphophallus for articles, links to culture and more
- Buy reprints of Aroideana Volume 19 - the Amorphophallus issue
- Have a gander at this cool article on pollination of Amorphophallus paeoniifolius.

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A new book is available on the Araceae of French Guyana

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IAS Calendar:
July, 2017 - International Aroid Conference, Colombia.
September 16th & 17th, 2017 - Annual Show and Sale in Miami, FL