Tribulus occidentalis
Fruit
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Zygophyllales
Family: Zygophyllaceae
Genus: Tribulus
Species:
T. occidentalis
Binomial name
Tribulus occidentalis

Tribulus occidentalis, common name perennial caltrop,[1] is a species of flowering plant in the family Zygophyllaceae, which is native to Australia, and found in Western Australia,[1] Queensland,[2] South Australia[3] and the Northern Territory.[4] (However, Robyn Barker asserts that it is confined to the west coast of Western Australia.)[5]

It is a prostrate perennial herb, covered in long shaggy haris and growing from 2 cm to 10 cm high. The leaves occur in pairs, and have leaflets in 7 - 10 pairs. The fruits have many spines, which are from 4 to 8 mm long. It grows on sandy soils and its yellow flowers can be seen from February to November.[1]

It was first described in 1849 by Robert Brown, from a specimen collected on the "west coast of Australia, or on some of its islands, in the Voyage of the Beagle."[6][7] There are no synonyms.[8]

References

  1. 1 2 3 "Tribulus occidentalis". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  2. ↑ "Species profile | Queensland Department of Environment, land and water: Tribulus occidentalis". apps.des.qld.gov.au. 2014-10-20. Retrieved 2021-01-16.
  3. ↑ "Fact sheet for Tribulus occidentalis". www.flora.sa.gov.au. Retrieved 2021-01-16.
  4. ↑ "AVH: Tribulus occidentalis occurrence data".
  5. ↑ R.M.Barker (2020). "Tribulus occidentalis". Flora of Australia. Canberra: Australian Biological Resources Study, Department of Agriculture, Water and the Environment. Retrieved 17 January 2021.
  6. ↑ "Tribulus occidentalis". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  7. ↑ Brown, R. in Sturt, C. (1849), Botanical Appendix. Narrative of an Expedition into Central Australia 2: 69
  8. ↑ "Tribulus occidentalis R.Br. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2021-01-16.
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