post script to my last message ; I just looked it up - "grows along the rivers in Venezuela and Guyana"... well Canaima is not far from the place where the three countries meet - Venezuela, Brazil and Guyana . So I reckon my guess was right on the button."orchid Island" is of course an island in the river.
It's also quite near the tepui country - those weird mountains with sheer vertical sides, and flat tops - "The lost world" country. Hot-house orchids grow at their base - the "Gran Sabana" - a curious high lebvel plateau, and cool and even cold orchids on the tops - many thousand of feet higher. Guides will take you up - if fit and young - but it is a one week trip up and down again, with one night freezing on top ; I never did persuade my wife that it would make an interesting holiday..