Blackbean - Castanospermum australe

The Blackbean is an evergreen Native to the east coast of Australia.
The leaves are 15 cm long and 6-7 meters wide. The flowers are bicoloured red and yellow,
3-4 cm long and produced on a stem which each flower having an individual stalk.
The fruit is a cylindrical pod 12-20 cm long and 4-6 cm in diameter.
The inside is split into 3-5 cells by a spongy substance each which contains a large chestnut-like seed.
The seeds are poisonous but are edible when carefully prepared by pounding into flour, leaching in water, and roasting.

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