Called the "Notched Onion-orchid" this orchid plant was about 50 cm high. I could see a single long sheath like leaf from the centre of which rose a slender green stem bearing a spike of flowers.
The central sepal was hooded covering the petals. Lateral sepals curled backwards. The lip was bilobed with a slightly wavy margin.
At first this plant looked like it had unopened buds- the flowers were so small and are not conspicuous. They are apparently scented !
Spotted in semi-shade.