Cobra Greenhood Orchid (Pterostylis grandiflora) Leaf rosette in years when not flowering. D'Aguilar National Park
© Vanessa Ryan
This species apparently only flowers every other year. It uses one year to store energy in its tuberous roots, getting maximum benefit from its wide leaves. When it decides to flower, it looks like a different plant entirely...
Photo taken on 20 May 2012
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