Jagera (plant)

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Jagera pseudorhus leaves.JPG
Jagera pseudorhus foliage
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Sapindaceae
Genus: Jagera
Type species
Jagera speciosa –illegitimate name and synonym to:
Jagera javanica

See text

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

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]


synonyms: J. serrata (Roxb.) Radlk., J. speciosa Blume, J. macrophylla Radlk.[14]
synonyms: J. javanica subsp. australiana Leenh,[9] misapplication: J. serrata (Roxb.) Radlk.,[7]
Formerly included here

See also[edit]


  1. ^ a b 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). 3. pp. 155–156. Retrieved 10 Dec 2013. 
  2. ^ a b "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. ^ Hyland et al. (2010) [RFK 6.1] "Factsheet – Sapindaceae". Retrieved 8 Dec 2013. 
  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. Retrieved 8 Dec 2013. 
  5. ^ Leenhouts (1994) Flora Malesiana pp. 614–17. Digitised, online "Jagera". Retrieved 8 Dec 2013. 
  6. ^ Harden (2003) New South Wales Flora Online. "Jagera". Dec 2003. Retrieved 8 Dec 2013. 
  7. ^ a b c Reynolds, Sally T. (1981). "Notes on Sapindaceae in Australia, I.". Austrobaileya. 1 (4): 388–419. Retrieved 8 Dec 2013. 
  8. ^ Reynolds (1985) Flora of Australia. Online "Jagera". Retrieved 8 Dec 2013. 
  9. ^ a b Leenhouts, Pieter W. (1987). "A new subspecies of Jagera javanica (Sapindaceae)". Blumea. 32 (1): 225. Retrieved 22 May 2015. 
  10. ^ a b Reynolds, Sally T. (1991). "New species and changes in Sapindaceae from Queensland". Austrobaileya. 3 (3): 489–501. Retrieved 8 Dec 2013. 
  11. ^ a b c 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. ^ a b 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. Retrieved 8 Dec 2013. 
  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.  Check date values in: |date= (help)
  14. ^ a b Leenhouts (1994) Flora Malesiana pp. 615–17. Digitised, online "Jagera javanica". Retrieved 8 Dec 2013. 
  15. ^ Hyland et al. (2010) [RFK 6.1] "Factsheet – Jagera madida". Retrieved 8 Dec 2013. 
  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. ^ Hyland et al. (2010) [RFK 6.1] "Factsheet – Jagera pseudorhus var. integerrima". Retrieved 8 Dec 2013. 
  20. ^ Reynolds (1985) Flora of Australia. Online "Jagera pseudorhus var. integerrima". Retrieved 8 Dec 2013. 
  21. ^ Hyland et al. (2010) [RFK 6.1] "Factsheet – Jagera pseudorhus" var. pseudorhus". Retrieved 8 Dec 2013. 
  22. ^ Harden (2003) New South Wales Flora Online. "Jagera pseudorhus var. pseudorhus". Oct 2002. Retrieved 8 Dec 2013. 
  23. ^ Leenhouts (1994) Flora Malesiana p. 617. Digitised, online "Jagera pseudorhus var. pseudorhus". Retrieved 8 Dec 2013. 
  24. ^ Reynolds (1985) Flora of Australia. Online "Jagera pseudorhus var. pseudorhus". Retrieved 8 Dec 2013. 

Cited works[edit]

  • Harden, Gwen J. (Dec 2003). "Jagera – New South Wales Flora Online". PlantNET – The Plant Information Network System. 2.0. Sydney, Australia: The Royal Botanic Gardens and Domain Trust. Retrieved 8 Dec 2013. 
  • Hyland, B. P. M.; Whiffin, T.; Zich, F. A.; et al. (Dec 2010). "Home". Australian Tropical Rainforest Plants. Edition 6.1, online version [RFK 6.1]. Cairns, Australia: Commonwealth Scientific and Industrial Research Organisation (CSIRO), through its Division of Plant Industry; the Centre for Australian National Biodiversity Research; the Australian Tropical Herbarium, James Cook University. Retrieved 8 Dec 2013. 
  • Leenhouts, Pieter W. (1994). "Jagera". In Adema, F.; Leenhouts, P. W.; van Welzen, P. C. Flora Malesiana. Series I, Spermatophyta : Flowering Plants. Vol. 11 pt. 3: Sapindaceae. Leiden, The Netherlands: Rijksherbarium / Hortus Botanicus, Leiden University. pp. 614–617. ISBN 90-71236-21-8. 

External links[edit]