Zingiber not Etlingera

Cheilocostus speciosus
Etlingera pyramidosphaera

This is the neotropical #Costus comosus var. bakeri (#Costaceae; leaves arranged in a ‘spiral staircase’) whereas #Etlingera belongs to the family #Zingiberaceae where the leaves typically are distichous.

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Etlingera megalocheilos
Do you agree that ‘flame ginger’ is a good English name for these neat-ground flowering species of Etlingera?

E. corneri named in honour of British botanist, Edred J. H. Corner (1906–1996).