Diuris punctata (Diuris punctata)
Description
Diuris punctata is a tuberous, perennial herb with two linear leaves 150�300 mm (6�10 in) long, 3�4 mm (0.1�0.2 in) wide and folded lengthwise. Up to ten flowers 50�60 mm (2.0�2.4 in) wide are borne on a flowering stem 300�600 mm (10�20 in) tall. The flowers are purple or mauve, often with darker, sometimes yellow marks. The dorsal sepal is more or less erect, elliptic to egg-shaped, 10�18 mm (0.4�0.7 in) long and 8�14 mm (0.3�0.6 in) wide. The lateral sepals are greenish-brown, linear to lance-shaped, 30�50 mm (1�2 in) long, 2�4 mm (0.08�0.2 in) wide and turned downwards. The petals are erect with an egg-shaped blade 7�17 mm (0.3�0.7 in) long and 7�15 mm (0.3�0.6 in) wide on a dark coloured stalk 2�6 mm (0.08�0.2 in) long. The labellum is 9�15 mm (0.4�0.6 in) long and has three lobes. The centre lobe is broadly egg-shaped to fan-shaped, 7�12 mm (0.3�0.5 in) long and 12�20 mm (0.5�0.8 in) wide and the side lobes are linear to wedge-shaped, 3�5 mm (0.1�0.2 in) long and 1.5�4 mm (0.06�0.2 in) wide. There are two ridge-like calli about 5 mm (0.2 in) long, surrounded by yellow in the mid-line of the labellum. Flowering occurs from September to December.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Liliopsida
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Order: Asparagales
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Family: Orchidaceae
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Genus: Diuris
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