Jagera (plant)

Jagera is a genus of 4 species of forest trees known to science, constituting part of the plant family Sapindaceae.

Jagera
Jagera pseudorhus foliage
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Sapindaceae
Subfamily: Sapindoideae
Genus: Jagera
Blume[1][2]
Type species
Jagera speciosa –illegitimate name and synonym to:
Jagera javanica
Blume[1][2]
Species

See text

They grow naturally in the rainforests and associated forests of eastern Australia, New Guinea and the Moluccas.[3][4][5][6]

In Australia, Jagera pseudorhus is the most well known, and commonly named foambark, due to the saponins in the bark foaming after heavy rain. Indigenous Australians use this foam as the de-oxygenator of waterway pools for temporarily suffocating their fish enabling easy catching.

The genus is named after Herbert de Jager, a Dutch orientalist and associate of the botanist Georg Eberhard Rumphius.

In the last few decades various new names have been formally published, numbers of them subsequently corrected to synonyms of earlier names and a few remaining recognised as genuine new species or varieties.[7][8][9][10][11][12]

One recognised species in Malesia apparently remains still to be formally described.[11]

Species
  • Jagera javanica (Blume) Blume ex Kalkman – New Guinea, Moluccas (Indonesia)[13][14]
synonyms: J. serrata (Roxb.) Radlk., J. speciosa Blume, J. macrophylla Radlk.[14]
  • Jagera madida P.I.Forst.,[12] Daintree foambark – NE. Qld endemic[15]/>[16]
synonyms: J. javanica subsp. australiana Leenh,[9] misapplication: J. serrata (Roxb.) Radlk.,[7]
Formerly included here
  • Jagera dasyantha (Radlk.) S.T.Reynolds[10] and J. discolor S.T.Reynolds[7]   ⇒  Cnesmocarpon dasyantha (Radlk.) Adema – New Guinea, Australia[11]

See also

References
  1. Blume, Carl L. (1847). "Jagera; Jagera speciosa". XXVIII. De Quibusdam Sapindaceis Maxima Parte Indiæ Orientali Propriis [28. On some Sapindaceae of the greater part of India and the East] (Digitised archive copy, online, from biodiversitylibrary.org). Rumphia (in Latin). Vol. 3. pp. 155–156. Retrieved 10 Dec 2013.
  2. "Jagera%". 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 8 Dec 2013.
  3. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Sapindaceae". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 21 June 2021.
  4. Cooper, Wendy; Cooper, William T. (June 2004). "Jagera Blume". Fruits of the Australian Tropical Rainforest. Clifton Hill, Victoria, Australia: Nokomis Editions. p. 493. ISBN 9780958174213. Archived from the original on 9 April 2013. Retrieved 8 Dec 2013.
  5. Leenhouts (1994) Flora Malesiana pp. 614–17. Digitised, online Jagera. Noordhoff-Kolff. 1994. Retrieved 8 Dec 2013.
  6. Harden (2003) New South Wales Flora Online. "Jagera". Dec 2003. Retrieved 8 Dec 2013.
  7. Reynolds, Sally T. (1981). "Notes on Sapindaceae in Australia, I.". Austrobaileya. 1 (4): 388–419. JSTOR 41738625.
  8. Reynolds (1985) Flora of Australia. Online "Jagera". Retrieved 8 Dec 2013.
  9. Leenhouts, Pieter W. (1987). "A new subspecies of Jagera javanica (Sapindaceae)". Blumea. 32 (1): 225. Retrieved 22 May 2015.
  10. Reynolds, Sally T. (1991). "New species and changes in Sapindaceae from Queensland". Austrobaileya. 3 (3): 489–501. JSTOR 41738788.
  11. Adema, F.; Ham, R. W. J. M. van der (1993). "Cnesmocarpon (gen. nov.), Jagera, and Trigonachras (Sapindaceae-Cupanieae): Phylogeny and systematics". Blumea. 38 (1): 173–215. Retrieved 22 May 2015.
  12. Forster, Paul I. (2006). "Jagera madida P.I. Forst. (Sapindaceae), a new name and change of rank for J. javanica subsp. australiana Leenh". Austrobaileya. 7 (2): 379. JSTOR 41739046.
  13. Conn, Barry J.; Damas, Kipiro Q. (2006). "PNGTreesKey – Jagera javanica (Blume) Blume ex Kalkman" (Online, from pngplants.org/PNGtrees). Guide to Trees of Papua New Guinea. Retrieved 8 Dec 2013.
  14. Leenhouts (1994) Flora Malesiana pp. 615–17. Digitised, online Jagera javanica. Noordhoff-Kolff. 1994. Retrieved 8 Dec 2013.
  15. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Jagera madida". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 21 June 2021.
  16. Reynolds (1985) Flora of Australia. Online "Jagera madida". previously described there as "Jagera javanica". Retrieved 8 Dec 2013.
  17. Harden (2003) New South Wales Flora Online. "Jagera pseudorhus". July 2001. Retrieved 8 Dec 2013.
  18. Reynolds (1985) Flora of Australia. Online "Jagera pseudorhus". Retrieved 8 Dec 2013.
  19. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Jagera pseudorhus var. integerrima". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 21 June 2021.
  20. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Jagera pseudorhus var. pseudorhus". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 21 June 2021.
  21. Harden (2003) New South Wales Flora Online. "Jagera pseudorhus var. pseudorhus". Oct 2002. Retrieved 8 Dec 2013.
  22. Leenhouts (1994) Flora Malesiana p. 617. Digitised, online Jagera pseudorhus var. pseudorhus. Noordhoff-Kolff. 1994. Retrieved 8 Dec 2013.
  23. Reynolds (1985) Flora of Australia. Online "Jagera pseudorhus var. pseudorhus". Retrieved 8 Dec 2013.

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