Dendrobium sutiknoi P.O'Byrne 2005

Epidendrum nutans Sw. 1788

Psychilis krugii (Bello) Sauleda 1988, 'Machiavelli' CHM/AOS, a yellow flower with just the faintest hint of purple in the lip

Pelexia laxa (Poepp. & Endl.) Lindl. 1840, in the 2017 Puerto Rico orchid society show

Maybe Bulbophyllum grandiflorum Blume 1847

Grammatophyllum speciosum Blume 1825

This plant was given to me in 1995, then it was barely the size of my little finger.  It was fresh from a community pot.  It took twelve years to reach blooming size.  This year it produced two massive inflorescences.