Name: Big Bill Livonia Michigan (Zone 6a) If you need to relax, grow plants!!
A backbulb is a pseudobulb that is now leafless.
As long as they are firm and alive there are dormant 'vegetative eyes' which can sprout at any time and produce a new growth.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.