Didymoplexis is a mycoheterotrophic terrestrial that grows near bamboo clusters, perhaps the fungus it uses grows close to bamboo.
Found in a not-so-deep lowland forest close to a bamboo cluster in the Central Java area, I don't know the exact elevation. Very nice surprise.
Images (Click for larger image)
With hand for rough scale:
Last edited by Bulbopedilum; 10-03-2018 at 08:33 AM..