Leaves are up to 40 cm long and 3–10 cm wide. The inflorescence is 10–30 cm long.  The blue capsule is globose 1 cm across, with a brittle outer covering containing black seed and white pulp.
The white pulp of native ginger has a sour flavour, used to activate salivary glands to moisten the mouth when bushwalking, with the seeds usually being discarded. The capsules can also be used as a flavouring spice, using the whole fruit and seed dried and ground. They can also be used to impart a sour flavour and red color in herbal teas.
The centers of new shoots have mild gingery flavour, and are excellent in various dishes as a ginger substitute. The roots can also be used in cooking, and have a more earthy resinous flavour.
- "The Plant List: A Working List of All Plant Species". Retrieved 20 February 2015.
- PlantNET, Alpinia caerulea plant profile
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