For most of the year, plants are dormant and have no above-ground presence. Below the ground lie fleshy roots. The racemose inflorescence that appears in summer is a long stem up to 70 cm high supporting 15 to 40 reddish-purple fleshy bell-shaped flowers with darker blotches. The tips of the petals and sepals are strongly recurved. The species was formally described in 1991 by Australian botanist David Lloyd Jones. The type specimen was collected east of Walcha.
- "Dipodium atropurpureum D.L.Jones". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government. Retrieved 27 January 2014.
- "Dipodium atropurpureum D.L.Jones". The Plant List version 1.1. Retrieved 31 January 2013.
- Weston, P.H. " Dipodium atropurpureum D.L.Jones". PlantNET - New South Wales Flora Online. Royal Botanic Gardens & Domain Trust, Sydney Australia. Retrieved 31 January 2014.
- Jones, David L. (2006). A complete guide to native orchids of Australia, including the island territories. Australia: Reed New Holland Publishers. ISBN 9781877069123.
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