AusTraits

Triodia scariosa

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Family Poaceae

Taxonomy: Triodia scariosa N.T.Burb.

Synonyms: 9 (APC 2026-07-30)
  • Triodia bunicola (S.W.L.Jacobs) Lazarides (taxonomic synonym)
  • Triodia irritans f. A N.T.Burb. (taxonomic synonym)
  • Triodia irritans f. B N.T.Burb. (taxonomic synonym)
  • Triodia irritans f. C N.T.Burb. (taxonomic synonym)
  • Triodia irritans var. laxispicata N.T.Burb. (taxonomic synonym)
  • Triodia scariosa N.T.Burb. subsp. scariosa (nomenclatural synonym)
  • Triodia scariosa subsp. bunicola S.W.L.Jacobs (taxonomic synonym)
  • Triodia scariosa subsp. yelarbonensis S.W.L.Jacobs (taxonomic synonym)
  • Triodia truncata S.W.L.Jacobs (taxonomic synonym)
Misapplied names: 4 (APC 2026-07-30)
  • Triodia irritans R.Br. (pro parte misapplied)
  • Triodia irritans R.Br. (misapplied)
  • Triodia irritans var. compacta N.T.Burb. (misapplied)
  • Triodia irritans var. laxispicata N.T.Burb. (pro parte misapplied)

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

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

Traits

Top source datasets: ABRS_2022 (7), ABRS_2023 (22), Cheal_2017 (8), Draper_2023 (3), Fonseca_2000 (5), GrassBase_2014 (12), Grootemaat_2015 (163), Grootemaat_2017_2 (28), Kew_2019_1 (1), Munroe_2019 (1), NHNSW_2014 (2), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (5), NSWFRD_2014 (8), Osborne_2014 (2), RBGV_2022 (4), RBGV_2023 (7), SAH_2022 (7), SAH_2023 (6), Shedley_2007 (4), Simpson_2021 (3), Sjostrom_2006 (4), WAH_2022_2 (3), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), Wenk_2023_2 (1), White_2020 (100), Wright_2002 (43). See below for a full list of sources.
Summary: AusTraits contains 79 traits from 461 records in 30 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
  • sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]
fruit morphology
  • fruit_type (categorical): caryopsis (8) [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): 95.75 mm2 (58.5-200 mm2) [sources: Fonseca_2000; Grootemaat_2015]
  • leaf_length (numerical): 171.1 mm (40-300 mm) [sources: Grootemaat_2015; ABRS_2023; GrassBase_2014; RBGV_2023]
  • leaf_width (numerical): 0.99 mm (0.7-2 mm) [sources: Fonseca_2000; ABRS_2023; GrassBase_2014; RBGV_2023]
  • leaf_dry_mass (numerical): 24.85 mg (18-41 mg) [sources: Fonseca_2000; Grootemaat_2015]
  • leaf_mass_per_area (numerical): 321.65 g/m2 (181.82-458.08 g/m2) [sources: Fonseca_2000; Grootemaat_2015; Wright_2002]
  • leaf_water_content_per_dry_mass (numerical): 0.79 g/g (0.79-0.79 g/g) [sources: Grootemaat_2015]
  • leaf_shape (categorical): subulate (2) [sources: SAH_2023]
  • leaf_base_shape (categorical): sheathing (1) [sources: ABRS_2023]
  • leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
  • leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
  • leaf_lamina_posture (categorical): conduplicate (3); involute (1) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • leaf_glaucousness (categorical): glaucous (1); not_glaucous (1) [sources: ABRS_2023]
  • leaf_phyllotaxis (categorical): alternate (4) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • plant_photosynthetic_organ (categorical): leaf (6) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
life history
  • photosynthetic_pathway (categorical): c4 (8) [sources: Munroe_2019; Osborne_2014; White_2020]
  • plant_growth_form (categorical): graminoid (8); herb (5); hummock (4); shrub (1); tussock (8) [sources: ABRS_2022; Fonseca_2000; NHNSW_2022; NSWFRD_2014; RBGV_2022; SAH_2022; Shedley_2007; WAH_2022_2; Wenk_2022; White_2020]
  • life_history (categorical): perennial (10) [sources: ABRS_2022; Cheal_2017; NHNSW_2022; RBGV_2022; SAH_2022; Simpson_2021; WAH_2022_2; Wenk_2023]
  • woodiness_detailed (categorical): herbaceous (8) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
  • stem_growth_habit (categorical): caespitose (2); compact (1); erect (1); stoloniferous (1) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; SAH_2022]
  • nitrogen_fixing (categorical): non_nitrogen_fixer (5) [sources: White_2020]
  • parasitic (categorical): not_parasitic (5) [sources: White_2020]
  • pollination_syndrome (categorical): abiotic (5); self (1); wind (1) [sources: Draper_2023; White_2020]
  • dispersal_syndrome (categorical): anemochory (6) [sources: Draper_2023; White_2020]
  • dispersers (categorical): wind (6) [sources: Draper_2023; White_2020]
  • flowering_time (categorical): nnnnyyyyyyyy (1); yynnnnnyyyyy (5); yyyynnyyyyyy (1) [sources: NHNSW_2014; White_2020]
  • seedbank_location (categorical): soil_seedbank (1) [sources: Shedley_2007]
  • seedbank_longevity_class (categorical): long_persistent (1); persistent (5) [sources: Cheal_2017; White_2020]
  • vegetative_reproduction_ability (categorical): not_vegetative (5) [sources: White_2020]
  • bud_bank_location (categorical): root_crown (1) [sources: Simpson_2021]
nutrient and stable isotope
  • leaf_N_per_dry_mass (numerical): 6.04 mg/g (5.84-6.35 mg/g) [sources: Grootemaat_2017_2]
  • leaf_P_per_dry_mass (numerical): 0.33 mg/g (0.3-0.35 mg/g) [sources: Grootemaat_2017_2]
  • leaf_delta13C (numerical): -13.84 {delta}[ppth] (-13.84--13.84 {delta}[ppth]) [sources: Wright_2002]
seed morphology
  • seed_dry_mass (numerical): 0.56 mg (0.56-0.56 mg) [sources: Kew_2019_1]
whole plant morphology

Sources

dataset_idn_traitsn_recordsreference
Grootemaat_201514163S. Grootemaat, I. J. Wright, P. M. Bodegom, J. H. C. Cornelissen, and W. K. Cornwell. “Burn or rot: leaf traits explain why flammability and decomposability are decoupled across species”. Functional Ecology 29.11 (2015), pp. 1486-1497. doi: 10.1111/1365-2435.12449.
White_202020100M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
Wright_20021543I. J. Wright and M. Westoby. “Leaves at low versus high rainfall: Coordination of structure, lifespan and physiology”. New Phytologist 155 (2002), pp. 403-416. doi: 10.1046/j.1469-8137.2002.00479.x.
Grootemaat_2017_2728S. Grootemaat, I. J. Wright, P. M. van Bodegom, and J. H. C. Cornelissen. “Scaling up flammability from individual leaves to fuel beds”. Oikos 126.10 (2017), pp. 1428-1438. doi: 10.1111/oik.03886.
ABRS_2023922Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
GrassBase_2014312W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
Cheal_201788D. Cheal. Growth stages and tolerable fire intervals for Victoria's native vegetation data sets. Fire and adaptive management, report no. 84. Victorian Government Department of Sustainability and Environment Melbourne, 2010.
NSWFRD_201448B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
ABRS_202247Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
RBGV_202377VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
SAH_202247S. 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_202336S. 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/.
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/.
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/.
Shedley_200744E. F. Shedley. Fire and Biodiversity Guidelines for the Avon Basin: Consultant Report to the Avon Catchment Council and the Department of Environment and Conservation, August 2007. Tech. rep. Department of Environment and Conservation, Western Australia, 2007.
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.
Draper_202333J. 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.
Simpson_202133K. 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.
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/.
NHNSW_201412Royal Botanic Gardens Sydney. PLantNET. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/search/simple.htm.
NHNSW_2014_222Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Osborne_201412C. 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_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_111Royal Botanic Gardens Kew. 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.
Wenk_202311E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.
Wenk_2023_211E. Wenk and D. Coleman. “Unpublished: Rain and flood-related flowering cues for Australia's flora, University of New South Wales, Australia”. 2023.