Tribulus occidentalis

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Family Zygophyllaceae

Taxonomy: Tribulus occidentalis R.Br.

Misapplied names: 1 (APC 2026-07-30)

Tribulus hystrix R.Br. (pro parte misapplied)

Distribution (APC): WA, Qld

Profiles: APC, Flora of Australia, ALA, iNaturalist, Florabase, ATRP

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (17), Draper_2023 (2), SAH_2022 (4), SAH_2023 (12), Sjostrom_2006 (3), Sweedman_2006 (3), WAH_1998 (1), WAH_2022_2 (4), WAH_2023_2 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 39 traits from 76 records in 13 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

fire response

resprouting_capacity (categorical): fire_killed (1) [sources: White_2020]

flower morphology

sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 11.5 mm (8-15 mm) [sources: SAH_2023]
fruit_width (numerical): 22.5 mm (20-30 mm) [sources: ABRS_2023; SAH_2023]
fruit_height (numerical): 17.5 mm (10-20 mm) [sources: ABRS_2023; SAH_2023]
fruit_type (categorical): mericarp (2) [sources: ABRS_2023; SAH_2023]
fruit_fleshiness (categorical): fleshy (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (3) [sources: ABRS_2023; SAH_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 10.62 mm (7-15 mm) [sources: ABRS_2023; SAH_2023]
leaf_width (numerical): 4.25 mm (3-5.5 mm) [sources: ABRS_2023]
petiole_length (numerical): 0.6 cm (0.2-1 cm) [sources: ABRS_2023]
leaf_shape (categorical): elliptical (1); oblong (1) [sources: ABRS_2023; SAH_2023]
leaf_base_shape (categorical): oblique (1); rounded (1) [sources: ABRS_2023]
leaf_compoundness (categorical): compound (3) [sources: ABRS_2023; SAH_2023; WAH_2023_2]
leaf_phyllotaxis (categorical): alternate (1); opposite (2) [sources: ABRS_2023; SAH_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: ABRS_2023; SAH_2023; WAH_2023_2]

life history

photosynthetic_pathway (categorical): c4 (1) [sources: White_2020]
plant_growth_form (categorical): herb (5) [sources: ABRS_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: SAH_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); prostrate (4) [sources: ABRS_2022; SAH_2022; WAH_2022_2; White_2020]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): epizoochory (2) [sources: Draper_2023; White_2020]
dispersers (categorical): mammals (1) [sources: White_2020]
flowering_time (categorical): nyyyyyyyyyyn (1); yyyyyyyyyyyy (1) [sources: WAH_1998; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]

whole plant morphology

plant_height (numerical): 0.06 m (0.02-0.1 m) [sources: WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	20	20	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
ABRS_2023	12	17	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
SAH_2023	10	12	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
SAH_2022	4	4	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
WAH_2022_2	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
WAH_2023_2	3	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
ABRS_2022	3	3	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Sjostrom_2006	3	3	A. Sjöström and C. L. Gross. “Life-history characters and phylogeny are correlated with extinction risk in the Australian angiosperms”. Journal of Biogeography 33.2 (2006), pp. 271-290. doi: 10.1111/j.1365-2699.2005.01393.x.
Sweedman_2006	1	3	L. Sweedman and D. Merritt. Australian Seeds: A Guide to Their Collection, Identification, and Biology. CSIRO Publishing, 2006. ISBN: 9780643094079.
Draper_2023	2	2	J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.