AusTraits

Aristida obscura

Explore the data for this taxon in the portal

Family Poaceae

Taxonomy: Aristida obscura Henrard

Synonyms: 1 (APC 2026-07-30)
  • Aristida obscura var. luxurians Henrard (taxonomic synonym)

Distribution (APC): WA, NT, SA, Qld, NSW, Vic

Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, NT eFlora, SA eFlora, Vic Flora, Florabase, ATRP

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (8), Crowley_2007 (2), Draper_2023 (2), Fonseca_2000 (5), GrassBase_2014 (6), Jurado_1991 (6), Kew_2019_1 (2), Kew_2019_5 (1), Kew_2019_6 (4), Leishman_1992 (6), Munroe_2019 (1), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (5), Nano_2011 (2), Osborne_2014 (1), RBGV_2022 (4), RBGV_2023 (7), SAH_2022 (3), SAH_2023 (8), Simpson_2021 (2), Sjostrom_2006 (4), WAH_2022_2 (3), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (18). See below for a full list of sources.
Summary: AusTraits contains 45 traits from 115 records in 28 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
flower morphology
  • flower_colour (categorical): blue_purple (1) [sources: NHNSW_2014_2]
  • sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]
fruit morphology
  • fruit_length (numerical): 8 mm (6-10 mm) [sources: ABRS_2023]
  • fruit_type (categorical): caryopsis (6) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023; Sjostrom_2006; WAH_2023_2]
  • fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
  • fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
leaf morphology
  • leaf_area (numerical): 51.23 mm2 (13-127.7 mm2) [sources: Fonseca_2000; Jurado_1991; Leishman_1992]
  • leaf_length (numerical): 206.25 mm (100-250 mm) [sources: ABRS_2023; GrassBase_2014; RBGV_2023; SAH_2023]
  • leaf_width (numerical): 2.44 mm (1.5-3 mm) [sources: Fonseca_2000; ABRS_2023; GrassBase_2014; RBGV_2023; SAH_2023]
  • leaf_dry_mass (numerical): 12 mg (12-12 mg) [sources: Fonseca_2000]
  • leaf_mass_per_area (numerical): 95.24 g/m2 (95.24-95.24 g/m2) [sources: Fonseca_2000]
  • leaf_shape (categorical): filiform (1) [sources: SAH_2023]
  • leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
  • leaf_lamina_posture (categorical): conduplicate (1); convolute (2); flat (4); involute (1) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
  • leaf_phyllotaxis (categorical): alternate (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • plant_photosynthetic_organ (categorical): leaf (4) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
life history
  • photosynthetic_pathway (categorical): c4 (3) [sources: Munroe_2019; Osborne_2014; White_2020]
  • plant_growth_form (categorical): graminoid (8); herb (5); tussock (2) [sources: ABRS_2022; Fonseca_2000; Jurado_1991; Leishman_1992; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
  • life_history (categorical): perennial (8) [sources: ABRS_2022; Leishman_1992; NHNSW_2022; RBGV_2022; SAH_2022; Simpson_2021; WAH_2022_2; Wenk_2023]
  • woodiness_detailed (categorical): herbaceous (6) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
  • stem_growth_habit (categorical): erect (2); sprawling (1) [sources: NHNSW_2022; RBGV_2022]
  • nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
  • parasitic (categorical): not_parasitic (1) [sources: White_2020]
  • pollination_syndrome (categorical): abiotic (1); self (1); wind (1) [sources: Draper_2023; White_2020]
  • dispersal_syndrome (categorical): epizoochory (3); zoochory (1) [sources: Draper_2023; Jurado_1991; Kew_2019_5; White_2020]
  • dispersers (categorical): mammals (1) [sources: White_2020]
  • flowering_time (categorical): nnnnynnnynnn (1) [sources: White_2020]
  • seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
  • vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
  • storage_organ (categorical): no_storage_organ (1) [sources: Leishman_1992]
  • bud_bank_location (categorical): basal_stem_buds (2); root_crown (1) [sources: Crowley_2007; Nano_2011; Simpson_2021]
seed morphology
  • seed_dry_mass (numerical): 1.88 mg (1.06-2.84 mg) [sources: Jurado_1991; Kew_2019_1]
  • seed_length (numerical): 8 mm (6-10 mm) [sources: GrassBase_2014]
whole plant morphology

Sources

dataset_idn_traitsn_recordsreference
White_20201818M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
ABRS_202378Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
SAH_202378S. 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/.
RBGV_202377VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
GrassBase_201436W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
Jurado_199166E. Jurado. “Diaspore weight, dispersal, growth form and perenniality of central Australian plants”. Journal of Ecology 79 (1991), pp. 811-828.
Leishman_199266M. R. Leishman and M. Westoby. “Classifying plants into groups on the basis of associations of individual traits-Evidence from Australian semi-arid woodlands”. Journal of Ecology 80 (1992), pp. 417-424. doi: 10.2307/2260687.
Fonseca_200055C. R. Fonseca, J. M. Overton, B. Collins, and M. Westoby. “Shifts in trait-combinations along rainfall and phosphorus gradients”. Journal of Ecology 88 (2000), pp. 964-977. doi: 10.1046/j.1365-2745.2000.00506.x.
NHNSW_202355N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2023. url: https://plantnet.rbgsyd.nsw.gov.au/.
Kew_2019_614Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
NHNSW_202244N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2022. url: https://plantnet.rbgsyd.nsw.gov.au/.
RBGV_202244VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
Sjostrom_200644A. 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.
ABRS_202233Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
SAH_202233S. 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_233Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
WAH_2023_223Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Crowley_200722G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
Draper_202322J. 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.
Kew_2019_112Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
NHNSW_2014_222Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Nano_201122C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
Simpson_202122K. J. Simpson, E. C. Jardine, S. Archibald, E. J. Forrestel, C. E. R. Lehmann, G. H. Thomas, and C. P. Osborne. “Resprouting grasses are associated with less frequent fire than seeders”. New Phytologist 230 (2021), pp. 832-844. doi: 10.1111/nph.17069.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_511Royal Botanic Gardens Kew. Seed dispersal data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Munroe_201911S. E. M. Munroe, F. A. McInerney, J. Andrae, N. Welti, G. R. Guerin, E. Leitch, T. Hall, S. Szarvas, R. Atkins, S. Caddy-Retalic, and B. Sparrow. “The Photosynthetic Pathways of Plant Species Surveyed in Australia's National Terrestrial Monitoring Network”. Scientific Data 8 (2021), p. 97. doi: 10.1038/s41597-021-00877-z.
Osborne_201411C. Osborne, A. Salomaa, T. Kluyver, V. Visser, E. Kellogg, O. Morrone, M. Vorontsova, W. Clayton, and D. Simpson. “A global database of C4 photosynthesis in grasses”. New Phytologist 204 (2014), pp. 441-446. doi: 10.1111/nph.12942.
Wenk_202311E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.