Cordyline australis 4 Tiritiri Matangi NZ 151106 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline banksii 1 Wattle Bay, Auckland NZ 151104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline banksii 2 Wattle Bay, Auckland NZ 151104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline banksii 3 Wattle Bay, Auckland NZ 151104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline banksii 5 Wattle Bay, Auckland NZ 151104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 3 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 4 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 5 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 6 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 7 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 10 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 2 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 2 S of Alafua, Western Samoa 840216 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 5 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 6 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 7 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 8 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 9 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline indivisa 3 Tongariro NZ 151116 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 10 Puerto de la Cruz Bot Garden, Tenerife 160410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 2 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 3 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 4 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 5 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 6 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 7 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 8 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 9 Puerto de la Cruz Bot Garden, Tenerife 160410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline 1 Pasoh Forest Reserve, Malaysia 860314 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline australis 1 (cult) Palmerston North NZ 151112 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline australis 2 Otari Botanical Garden, Wellington NZ 151114 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline australis 3 Otari Botanical Garden, Wellington NZ 151114 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline australis 5 (cult) 170522 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline banksii 4 Wattle Bay, Auckland NZ 151104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 1 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline cf banksii 2 Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 1 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 1 S of Alafua, Western Samoa 840216 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 3 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline fruticosa 4 Iao Valley, West Maui, Hawaii 130721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline indivisa 1 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline indivisa 2 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Cordyline stricta 1 Jardín Botanico, Puerto de la Cruz, Tenerife 090515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).