Half-hardy lithophytic orchid with creeping rhizomes which can grow into large masses on rocks, leaves resembling succulent grass, and branching stems, to 90cm long, bearing 1 or 2 fragrant, greenish-yellow flowers, to 3cm across, with brown-purple stripes, in spring.  It is the southernmost species of dendrobe in Australia.  [Jones, FNSW, Pridgeon, Beadle].