Succulent plants have a global distribution and are of Conduct has been widely publicised through national represented in nearly all habitat types. Over 30 botanical cactus and succulent societies and has provided a model families have succulent plant species, ranging from tiny for use by other specialist plant societies. The Code of annual plants to huge trees. The Cactaceae is the largest Conduct was updated in 1990 (Oldfield 1990). and perhaps the best known of the succulent plant The 10s Conservation Section provided the basis for families. The unifying characteristic of succulent plants is the formation of the IUCNSSC Cactus and Succulent their ability to store water in one or more organs of the Specialist Group in 1984, and the two groups continue to plant, giving rise to stem succulents, leaf succulents, and work together sharing a common membership and regular root succulents -the so-called caudiciform plants. meetings.