About Chiloglottis diphylla R.Br.
Chiloglottis diphylla R.Br. is a terrestrial, perennial, deciduous herb. It has two leaves that measure 30โ60 mm (1โ2 in) long and 10โ15 mm (0.4โ0.6 in) wide. One greenish brown to reddish flower is borne on a flowering stem that grows 70โ100 mm (3โ4 in) high. The flower itself is 30โ45 mm (1โ2 in) long and 4โ5 mm (0.16โ0.20 in) wide. The dorsal sepal is spatula-shaped, 12โ14 mm (0.5โ0.6 in) long and about 2 mm (0.08 in) wide, with an additional 3โ4 mm (0.1โ0.2 in) long glandular tip. The lateral sepals are 15โ22 mm (0.6โ0.9 in) long and about 0.5 mm (0.02 in) wide, curve downwards, and each has a 7โ10 mm (0.3โ0.4 in) long glandular tip at its end. The petals are oblong, 7โ9 mm (0.3โ0.4 in) long and about 2 mm (0.08 in) wide, and are turned strongly downwards. The labellum is diamond-shaped, 7โ10 mm (0.3โ0.4 in) long and 4โ5 mm (0.16โ0.20 in) wide, with a black, insect-like callus that covers most of its upper surface. Flowering of this species takes place from February to May. This species, commonly called the common wasp orchid, grows in moist locations in shrubby forest on the coast and ranges, between Carnarvon Gorge in Queensland and Batemans Bay in New South Wales.