Triumfetta rhomboidea

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Triumfetta rhomboidea
Triumfetta rhomboidea at Kadavoor.jpg
Flowering plant in Kerala, Indi
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Triumfetta
T. rhomboidea
Binomial name
Triumfetta rhomboidea

Triumfetta rhomboidea, commonly known as diamond burbark [2] or Chinese bur, is a shrub that is extensively naturalised in tropical regions. [3] [4] It is thought that to have come to Australia from China. [3] Its bark—sometimes called burbark--makes a kind of jute.

The taxon was first formally described in 1760 by botanist Nikolaus von Jacquin. [5]


Various sources give the number of stamens as being between 8 and 15. [6] [7] [8] [9] The fruit is round to slightly ovoid [8] and about 6 millimetres (0.2 in) in diameter with smooth spines which are about 2 millimetres (0.1 in) long. [3] The stems are covered in star-shaped (stellate) hairs. [8] Its embryology was described by Venkata Rao in 1952. [10]

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Chellapilla Venkata Rao (1910–1971) was an Indian botanist.


  1. "Triumfetta rhomboidea Jacq". The Plant List. Retrieved 21 July 2013.
  2. "Triumfetta rhomboidea". Natural Resources Conservation Service PLANTS Database. USDA . Retrieved 14 December 2015.
  3. 1 2 3 Harden G. J. "Triumfetta rhomboidea Jacq". PlantNET - New South Wales Flora Online. Royal Botanic Gardens & Domain Trust, Sydney Australia. Retrieved 21 July 2013.
  4. "Triumfetta rhomboidea". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 21 July 2013.
  5. "Triumfetta rhomboidea". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 21 July 2013.
  6. "eflora of India: Triumfetta rhomboidea" . Retrieved 2 June 2018.
  7. "Flora of Pakistan: Triumfetta " . Retrieved 2 June 2018.
  8. 1 2 3 "Flora of North America: Triumfetta rhomboidea" . Retrieved 2 June 2018.
  9. "Flora of China: Triumfetta rhomboidea" . Retrieved 2 June 2018.
  10. Rao, C.V. & Rao, K.V.S. 1952. A contribution to the embryology of Triumfetta rhomboidea Jacq. & Corchorus acutangulus L. Journal of the Indian Botanical Society XXX1 56-68.