Diploglottis

Diploglottis is a genus of 10 species of trees known to science, constituting part of the plant family Sapindaceae. They grow naturally in rainforests and margins of adjoining humid forests in eastern Australia and New Guinea.[2] Some species are known as native tamarind or small-leaved tamarind; they have no direct relationship with the true tamarind.

Diploglottis
Diploglottis australis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Sapindaceae
Tribe: Cupanieae
Genus: Diploglottis
Hook.f.[1]
Species

See text

One Australian species, D. australis is grown as a street tree in the Northern Rivers area of New South Wales, principally Lismore and is known locally as the native tamarind.

Another endemic Australian species is D. campbellii, also known as the small-leaved tamarind, is rare and threatened and is restricted to a small number of sites each with a maximum of three trees per site. There are a total of 42 known mature wild trees in south-east Queensland and north-eastern New South Wales. However, the tree, as a seedling, is readily available from nurseries in the Northern Rivers area of New South Wales, and in south-eastern Queensland. The small-leaved tamarind grows to 30 metres and has a compact canopy, making it good to use as a screening tree. It has small three-lobed fruit capsules. The fruit is edible and is commercially produced as bushfood. It is red when ripe and can be made into jam.

D. campbellii seedling

Naming and classification

The species currently known as D. australis was the first that European scientists collected specimens of, for instance botanist Robert Brown in 1804.[1][3] Before formal naming, this species was grown up to a flowering tree in a glasshouse in Kew gardens, UK.[3] In 1862 Joseph Dalton Hooker first established this genus name Diploglottis in Genera Plantarum and the following year George Bentham formally published the D. cunninghamii name combination.[3] Earlier in 1831 however, George Don had published a formal description of this taxon named with the epithet australis, with a different name genus.[3] In 1878–9 Ludwig A. T. Radlkofer published his referral of this taxon to the name combination Diploglottis australis.[3] In 1986 Gwen Harden and Lawrie Johnson published the clarification of the further involved history of these names.[3] Sally T. Reynolds had proposed D. cunninghamii as the correct name in 1981.[4] Harden and Johnson clarified that D. australis legitimately has support as the correct name, for this type species.[3]

In 1978 P. W. Leenhouts described the new species D. bracteata.[5] In 1981 and 1987 Reynolds described several different new species.[4][6] In 1985 Reynolds’ account of the genus in Australia was published in the Flora of Australia volume 25.[7] In 1994 in Flora Malesiana P. W. Leenhouts included D. australis occurring in New Guinea, however the record has been corrected to the superficially similar D. diphyllostegia which in Australia also grows in areas adjacent to New Guinea and further north than the northernmost D. australis records.[8][9][10]

Species

Ecological connections

Diploglottis species are used as food plants by the hepialid moths Aenetus ramsayi and Aenetus scotti.

References
  1. "Diploglottis%". Australian Plant Name Index (APNI), Integrated Botanical Information System (IBIS) database (listing by % wildcard matching of all taxa relevant to Australia). Centre for Plant Biodiversity Research, Australian Government. Retrieved 10 Dec 2013.
  2. Cooper, Wendy; Cooper, William T. (June 2004). Fruits of the Australian Tropical Rainforest. Clifton Hill, Victoria, Australia: Nokomis Editions. pp. 485–488. ISBN 9780958174213. Retrieved 21 June 2021.
  3. Harden, Gwen J.; Johnson, Lawrence A. S. (1986). "A Note on Diploglottis australis (G.Don) Radlk." Telopea. 2 (6): 745–8. doi:10.7751/telopea19864613.
  4. Reynolds, S. T. (1981). "Notes on Sapindaceae in Australia, I". Austrobaileya. 1 (4): 390–8. JSTOR 41738625.
  5. Leenhouts, P. W. (1978). "A new species of Diploglottis (Sapindaceae) and its systematic position". Blumea. 24 (1): 173–9. Retrieved 21 May 2015.
  6. Reynolds, S. T. (1987). "Notes on Sapindaceae in Australia, V". Austrobaileya. 2 (4): 328–338. JSTOR 41738694.
  7. Reynolds, Sally T. (2014) [1985]. "Diploglottis". Flora of Australia (online version, incl. species updates). Vol. 25—Melianthaceae to Simaroubaceae. CSIRO Publishing / Australian Biological Resources Study. pp. 33–38. ISBN 978-0-644-03724-2. Retrieved 24 Aug 2014.
  8. Leenhouts (1994) Flora Malesiana. Digitised, online "Diploglottis". Retrieved 4 July 2013.
  9. Leenhouts (1994) Flora Malesiana. Digitised, online "Diploglottis australis". Retrieved 4 July 2013.
  10. Conn, Barry J. (2008). "Diploglottis" (Online, from pngplants.org/PNGCensus). Census of Vascular Plants of Papua New Guinea. Retrieved 10 Dec 2013.
  11. Harden, Gwen J. (Dec 2003). "Diploglottis – New South Wales Flora Online". PlantNET – The Plant Information Network System. 2.0. Sydney, Australia: The Royal Botanic Gardens and Domain Trust. Retrieved 4 July 2013.
  12. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis bernieana". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  13. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis bracteata". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  14. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis diphyllostegia". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  15. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis harpullioides". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  16. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis macrantha". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  17. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis obovata". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  18. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis pedleyi". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.
  19. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Diploglottis smithii". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 22 June 2021.

Cited works
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