|This common epiphyte or occasional lithophyte grows in
rainforests around Brisbane.
The pseudobulbs grow to 45cm by 9mm, thin at the base and broadening
toward the tip. The pseudobulbs are distinctly square in cross section and
are pendulous to semi-pendulous. There are up to 5 leathery apical leaves
to 8cm by 25mm. The flowering stem grows to 4cm with up to five flowers.
Flowers are 25mm across with thin segments. The flowers are yellowish
or greenish with red margins, sometimes with redish purple splotching.
This distinctive orchid can be easily identified by its square section
tapering pseudobulbs and starry greenish yellow flowers with red margins.
There is no other similar orchid which occurs in the Brisbane area which
could be confused with this orchid.