Argentina Cacti: the Importance of Habitat Knowledge in Taxonomy
Plant Explorer Guillermo Rivera explains how geographic proximity and other factors can provide a framework for evaluating lumper versus splitter debates.
Category Education
Webinar: Creating More Compelling Images with Greater Impact
Cacti and other succulents have some of the most sculptural forms with amazing designs, textures, and colors. Join Irwin for a lively discussion of light, composition, plant portraiture, and landscapes.
My Journey with Operculicarya
Horticulturalist Joe Stead has been cultivating and popularizing these pachycaul succulent trees for decades.
Agavaceae & Crassulaceae: New, Recent & Still Undescribed Species
Explore the mountains and jungles of Mexico in search of the latest plant discoveries with Julia Etter and Martin Kristen.
The Good, the Bad, and the Ugly – Some Infamous Australians
Australian plant guru Attila Kapitany gives an overview of continent's native Australian and invasive succulents and how they support various ecosystems there.
Past Webinar: Pre-Contact Agaves in the Southwestern United States
🌵 Rediscovering Lost Crops among the Hohokam and Other Arizona Cultures
New CSSA Supporting Membership for Affiliate Club Members
🌵 We’re excited to introduce a special membership program available exclusively to members of active CSSA Affiliate Clubs!
Uncarina: the Mousetrap Tree
Andry Petignat tells us about the genus Uncarina (distinguished by their hooked seeds). These Madagascar natives in the Pedaliaceae often grow into pachycaul trees.
Past Webinar: Beyond the Rock Gardens: Exploring the Genus Phemeranthus
🌵 Join us for a deep dive into the fascinating world of "Phemeranthus"—a genus of about 16 species known for their delicate beauty and surprising resilience.
“To The Point” – Fall 2025
The latest issue of To The Point is here, and it’s full of useful information collected from our members, staff, volunteers, and the newsletters of CSSA affiliate clubs.