A.Cunn ex Hook.
A.Cunn & C.Fraser ex Hook.
|Nutritional value per 100 g (3.5 oz)|
|Energy||1,425 kJ (341 kcal)|
|- Sugars||2.12 g|
|- Dietary fiber||15.2 g|
|Vitamin C||0.0 mg (0%)|
|Calcium||123 mg (12%)|
|Magnesium||171 mg (48%)|
|Phosphorus||352 mg (50%)|
|Potassium||1483 mg (32%)|
|Sodium||5 mg (0%)|
|Percentages are roughly approximated
using US recommendations for adults.
Source: USDA Nutrient Database
Castanospermum australe (Moreton Bay Chestnut or Blackbean), the only species in the genus Castanospermum, is a flowering plant in the family Fabaceae, native to the east coast of Australia in Queensland and New South Wales, and to the Pacific islands of Vanuatu and New Caledonia.
It is a large evergreen tree growing to 40 metres (130 ft) tall, though commonly much smaller. The leaves are 15 centimetres (5.9 in) long and 6–7 centimetres (2.4–2.8 in) broad, pinnate, with 11-15 leaflets. The flowers are bicoloured red and yellow, 3–4 centimetres (1.2–1.6 in) long, produced in racemes 6 centimetres (2.4 in) long. The fruit is a cylindrical pod 12–20 centimetres (4.7–7.9 in) long and 4–6 centimetres (1.6–2.4 in) diameter, the interior divided by a spongy substance into one to five cells, each of which contains a large chestnut-like seed.
The seeds are poisonous, but become edible when carefully prepared by pounding into flour, leaching with water, and roasting. The timber, which somewhat resembles walnut, is soft, fine-grained, and takes a good polish, but is not durable.
- Australian National Botanic Gardens: Castanospermum australe
- Bush Tucker Plants: Moreton Bay Chestnut
- Plants for a Future: Castanospermum australe
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press
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