Lost names for the oldest tradescantias

There are a a lot of Tradescantia cultivars which circulate with no valid name. A handful of those actually did have valid names once, and those names have been discarded over the years.

Is Tradescantia zebrina ‘Tikal’ dangerous?

Some people have suggested the plant has symptoms of a viral infection. Some have even gone as far as to claim that the plant should be quarantined or banned from sale for fear that it’s contagious. Others have grown the plant for years and report no evidence of the symptoms spreading to nearby plants.

ICRA for the Commelinaceae family

I’m now the ICRA for all Commelinaceae. Which means I’ll be able to officially register cultivars in other genera, and I’ll start expanding the online checklist to include the rest of the family.

How to get a mystery plant named

The naming rules are complex and detailed, but they don’t cover every possible eventuality. I had to devise my own approach to naming plants with unknown origins.