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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Faboideae
Tribus: Sophoreae
Genus: Castanospermum
Species (1):
C. australeSource(s) of checklist:
Name

Castanospermum A.Cunn. ex Mudie (1829)

Type species: C. australe A.Cunn. & C.Fraser ex Mudie

Synonyms

Castanocarpus Sweet, Hort. Brit. ed. II. 589 (1830)
Vieillardia Montrouz., Mem. Acad. Lyon, 10: 196 (1860)

Distribution
Native distribution areas:

Continental: Australasia
Regional: Australia
New South Wales, Queensland, Vanuatu
Introduced into:
Bangladesh, Bismarck Archipelago, India, Jawa, Kenya, New Caledonia, New Guinea, Norfolk Is., Pakistan, Society Is., Sri Lanka, Tanzania, Trinidad-Tobago, Uganda, Zimbabwe

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Cunningham, A. in Mudie, R., 1829. The Picture of Australia: 149

Additional references

Govaerts, R. 1999. World Checklist of Seed Plants 3(1, 2a & 2b). 1532 pp.. MIM, Deurne. ISBN 90-5720-098-8 (issue 1), ISBN 90-5720-099-6 (issue 2b). Reference page.

Links

Govaerts, R. et al. 2021. Castanospermum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2021 May 31. Reference page.
International Plant Names Index. 2021. Castanospermum. Published online. Accessed: May 31 2021.
Tropicos.org 2021. Castanospermum. Missouri Botanical Garden. Published on the internet. Accessed: 2021 May 31.
Hassler, M. 2021. Castanospermum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2021. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2021 May 31. Reference page.
Hassler, M. 2021. World Plants. Synonymic Checklist and Distribution of the World Flora. . Castanospermum. Accessed: 31 May 2021.

Vernacular names
русский: Каштаноспермум

Castanospermum australe (Moreton Bay chestnut or blackbean), the only species in the genus Castanospermum,[1][2] 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, New Caledonia, and the island of New Britain (Papua New Guinea).[3]
Growth

It is a large evergreen tree growing to 40 metres (130 ft) tall,[4] 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.

Common names

The 1889 book 'The Useful Native Plants of Australia' records the common names of Castanospermum australe as "Moreton Bay Chestnut" and "Bean tree" and notes that it was called "Irtalie" by Aboriginal people of the Richmond and Clarence Rivers (New South Wales) and "Bogum" by "others of Northern New South Wales".[5] Other names that have been used by Aboriginal peoples are: baway,[6] yiwurra,[6] junggurraa,[6] mirrayn,[6] ganyjuu,[6] and binyjaalga.[7]

Uses
Chemicals

In 1981, castanospermine was isolated from the seeds.[8] Members of this and closely related genuses accumulate iminosugars in their leaves.[9]
Cultural significance

Due to its importance as a food, the blackbean tree was a seasonal gathering point for Aboriginal peoples, and this acted as a catalyst for ceremonies.[10] Songlines featuring the black bean seeds have been collected.[11] The bark fibre has been used for fish and animal traps, nets and baskets, and the empty seed pods have been used as toy boats.[11] Additionally, the tree has been used as a seasonal signal for when to hunt jungle fowl.[11]

Food

The unprocessed seeds are poisonous, and can cause vomiting and diarrhoea,[12] but they become edible when carefully prepared by roasting, cutting up into small pieces, leaching with running water for several days, and pounding into flour and roasting it as a damper.[13] The seeds have been prepared and eaten for at least 2,500 years.[14] The 1889 book 'The Useful Native Plants of Australia' notes and describes this use of the beans.[15] As of 2012, the food was not used in modern bush tucker, and there was no nutritional information available on the seeds.[4]
Ornamental use

The trees are popular as potted plants in Asia, Europe and America.[16] In addition, they have been used as shade trees in landscaping for parks.[4]
Wood

The wood was used by Aboriginal people for spear throwers.[11] The timber, which somewhat resembles walnut, is soft, fine-grained, and takes a good polish,[17] and the wood has a durability rating above-ground of over 40 years longevity.[18]
Spread

Due to its significance as a food for Aboriginal people, blackbean trees were spread by hand into mountain areas on the east coast of Australia. All the trees in New South Wales are descended from a single seed.[10] The plant naturally spreads by water.[11] It has been introduced to India, Malaysia, Papua New Guinea, Sri Lanka, South Africa and the United States of America.[4]

References

"ILDIS LegumeWeb entry for Castanospermum". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 30 January 2014.
USDA; ARS; National Genetic Resources Program. "GRIN species records of Castanospermum". Germplasm Resources Information Network—(GRIN) [Online Database]. Beltsville, Maryland: National Germplasm Resources Laboratory. Archived from the original on 2015-09-24. Retrieved 30 January 2014.
Debevec, Mojca (2002). "Castanospermum australe - Growing Native Plants". www.anbg.gov.au. Australian National Botanic Gardens, Parks Australia.
Lim, T.K. (1 January 2012). "Castanospermum australe". Edible Medicinal And Non-Medicinal Plants. 2. Springer Netherlands. pp. 593–600. doi:10.1007/978-94-007-1764-0_73. ISBN 978-94-007-1763-3.
J. H. Maiden (1889). The useful native plants of Australia : Including Tasmania. Turner and Henderson, Sydney. p. 396.
"Seed words in local language" (PDF). Wet Tropics Management Authority. Retrieved 28 February 2018.
"Gumbaygnggirr Language Names" (PDF). National Parks and Wildlife Service. Retrieved 28 February 2018.
Hohenschutz, Liza D.; Bell, E.Arthur; Jewess, Phillip J.; Leworthy, David P.; Pryce, Robert J.; Arnold, Edward; Clardy, Jon (January 1981). "Castanospermine, A 1,6,7,8-tetrahydroxyoctahydroindolizine alkaloid, from seeds of Castanospermum australe". Phytochemistry. 20 (4): 811–814. doi:10.1016/0031-9422(81)85181-3.
Kite GC, Cardoso D, Lewis GP, Zartman CE, de Queiroz LP, Veitch NC (2015). "Monomethyl ethers of 4,5-dihydroxypipecolic acid from Petaladenium urceoliferum: Enigmatic chemistry of an enigmatic legume". Phytochemistry. 116: 198–202. doi:10.1016/j.phytochem.2015.02.026. PMID 25817832.
Miskelly, Greg (13 November 2017). "Aboriginal people spread native plants by hand: study". ABC News. Retrieved 13 November 2017.
Rossetto, Maurizio; Ens, Emilie J.; Honings, Thijs; Wilson, Peter D.; Yap, Jia-Yee S.; Costello, Oliver; Round, Erich R.; Bowern, Claire; Borges, Renee M. (8 November 2017). "From Songlines to genomes: Prehistoric assisted migration of a rain forest tree by Australian Aboriginal people". PLOS ONE. 12 (11): e0186663. Bibcode:2017PLoSO..1286663R. doi:10.1371/journal.pone.0186663. PMC 5695580. PMID 29117184.
"Australia's most poisonous plants - Australian Geographic". Australian Geographic. 2012-07-04. Retrieved 14 November 2017.
Ancient Aboriginal process for cooking black beans. Royal Botanic Gardens. 12 November 2017. Retrieved 14 November 2017.
"Black bean". Royal Botanic Gardens. Retrieved 14 November 2017.
J. H. Maiden (1889). The useful native plants of Australia : Including Tasmania. Turner and Henderson, Sydney. p. 15.
Jack, Helen (30 May 2007). "Bentley man says money does grow on trees". The Northern Star. Retrieved 13 November 2017.
This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Moreton Bay Chestnut". Encyclopædia Britannica. 18 (11th ed.). Cambridge University Press. p. 831.
"Black bean". www.daf.qld.gov.au. Archived from the original on 13 November 2017. Retrieved 13 November 2017.

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