Definition of Moreton Bay chestnut in English:

Moreton Bay chestnut


  • A large tree with red and yellow flowers and decorative timber, native to Queensland, Australia. Its heavy pods contain large poisonous seeds yielding an alkaloid that appears to inhibit the AIDS virus.

    "Castanospermum australe", family "Leguminosae"

    Also called black bean
    • ‘Edible varieties of beans and peas include Moreton Bay chestnuts and matchbox bean.’
    • ‘An unusual and rare tree was planted on the west side of the new garden called a Moreton Bay Chestnut’
    • ‘One current path of research involves an Australian rain forest tree, the Moreton Bay chestnut.’


Mid 19th century: so named because the tree was first found near Moreton Bay, Queensland.