Guzmania wittmackii (André) André ex Mez, Monogr. Phan. 9: 921 1896. (syn: Thecophyllum wittmackii André);

S. Colombia to Ecuador as per WCSP;

Plant seen at the Conservatory.

Heliconia Species?
Or a Bromeliad?

For this plant, the answer I have got from one of the Master Gardeners at the Planthotline is….from the Bromeliad family but cannot be more specific.

Another Master Gardener has replied as Guzmania wittmackii.
The id seems correct on searching.