About Diuris pardina Lindl.
Diuris pardina Lindl. is a tuberous perennial herb. It grows two or three linear leaves that are 100โ300 mm (4โ10 in) long, 4โ6 mm (0.2โ0.2 in) wide, and folded lengthwise. Between two and ten flowers, each 20โ35 mm (0.8โ1 in) wide, are borne on a flowering stem 140โ300 mm (6โ10 in) tall. The flowers are yellow, heavily marked with large dark reddish-brown blotches. The dorsal sepal stands erect, is 8โ11 mm (0.3โ0.4 in) long and 6โ8 mm (0.2โ0.3 in) wide. The lateral sepals are linear to lance-shaped, 14โ16 mm (0.55โ0.63 in) long and 2โ3 mm (0.08โ0.1 in) wide, and point downwards, usually strongly crossed over each other. The petals are either erect or curved backwards, each with an egg-shaped blade 9โ12 mm (0.4โ0.5 in) long and 6โ8 mm (0.2โ0.3 in) wide, attached to a reddish-brown stalk 4โ7 mm (0.2โ0.3 in) long. The labellum is 9โ12 mm (0.4โ0.5 in) long and divided into three lobes. The central lobe is wedge-shaped, 7โ9 mm (0.3โ0.4 in) long and wide, while the side lobes are oval, 4โ6 mm (0.16โ0.24 in) long and about 2 mm (0.08 in) wide. Two raised, fleshy calli 4โ5 mm (0.16โ0.20 in) long run along the mid-line of the labellum. Flowering occurs from August to October. Commonly called the leopard orchid, this species is found in New South Wales, the Australian Capital Territory, Victoria, South Australia and Tasmania. It grows in well-drained soils in heath and forest, and flower colour varies considerably between individuals. In New South Wales, it occurs south from Mudgee. In Victoria, it is widespread and common across the southern half of the state.