33rd Congress of the International Organization for Succulent Plant Study (IOS)
7-12 April 2014
Desert Botanical Garden, Phoenix, Arizona

We are excited to announce that the 33rd IOS Congress will be held at the Desert Botanical Garden, Phoenix, Arizona, U.S.A., as part of the celebrations commemorating the Gardenís 75th Anniversary. The conference program includes a keynote speaker, oral and poster presentations, exhibits and fieldtrips. Special one-day symposia dealing with the subfamilies Opuntioideae (Cactaceae) and Agavoideae (Asparagaceae) will be held during the conference. Tours of the Gardenís exhibits and propagation areas will be conducted by Desert Botanical Garden staff, in both English and Spanish. Accommodations will be at nearby hotels and you will be asked to book your own reservations directly with the hotel. Transportation to and from the meetings will be provided to selected hotels. At the time of the conference Desert Botanical Garden will be featuring Chihuly in the Garden, a spectacular art exhibit by American glass artist Dale Chihuly.

Registration for the post-Congress field trip to the Grand Canyon.


Latest Message (17 Feb 2014)

Please note that the Congress organizers at the Desert Botanical Garden have decided to extend the early registration deadline to February 25th. Also the deadline for abstracts will be March 15th.
The keynote speaker will be Dr David Yetman, author of "The Great cacti: ethnobotany and biogeography of columnar cacti". His 45 minutes talk will be on "The columnar cacti of the Americas".

Congress organizers

DESERT BOTANICAL GARDEN MISSION: The Gardenís commitment to the community is to advance excellence in education, research, exhibition and conservation of desert plants of the world with emphasis on the Southwestern United States. We will ensure that the Garden is always a compelling attraction that brings to life the many wonders of the desert.

THE INTERNATIONAL ORGANIZATION FOR SUCCULENT PLANT STUDY (IOS) promotes the study and conservation of succulent and allied plants worldwide and encourages collaboration among professionals and amateurs.

Contact address and questions

Please direct all inquiries to the organizers:
Raul Puente-Martinez and Andrew Salywon, Desert Botanical Garden, 1201 N Galvin Parkway, Phoenix, AZ 85008
Email: and
Tel: (480) 481-8110
Mob: (602) 327-3235
OR Dr. David Hunt, IOS Secretary,

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