Yes, they're all related under Zingiberales. Includes bananas, costas and more. Here's some of mine. There's a few Alpinias and some Costas I haven't included.
These are called Beehive Gingers here. I've a couple of different colours.
Cucurma australasica, our local native one. My C. rubescens hasn't flowered yet.
Torch Ginger. I have a couple of small white ones as well.
Shell Ginger
"Dancing Ladies" ( Globba winitii "Ruby Queen").
Cornukaempferia aurantiflora
Heliconia rostrata
Heliconia psittacorum
