In researching this orchid I have discovered that it is also called the Lemon Orchid, Rabbit-ears or Rabbit’s Ears Orchid.  Looking at the photo on the guide, I can see that the dark marks in the centre do look like some flopsy ears.  These aren’t shown in my photos, so I will go back out there tomorrow and try to capture them.

The flowers are approximately  15 – 20 mm across, and on stems around 15 cm long.  Ours are a very pale lemon colour, almost a rich cream colour, which is why I have chosen to call them Vanilla Orchids rather than Lemon Orchids.

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Vanilla Orchid
These orchids are growing alongside the walking track. If it had not been for some Waxlip Orchids growing nearby, I would not have seen them.
Vanilla Orchid
This photo shows an open flower, along with a bud just about to open. The colour of the bud is also noteworthy.