d.smilliae F.Muell

 synonym : d.ophioglossum Rchb.f, d. hollrungii Kraenzl.....known as bottlebrush orchid.
 New guinea & north eastern Australian attactive large epiphyt, grows in coastal rainforests & moist open forest up to 500m altitude. Stem over 1m long, pseudobulbs are erect initially become pendulous when longer,leaves are deciduous after a year,thin texture,lanceolate, 12-18 cm long & occur 2 ranks a long the pseudobulb.