AusTraits

Tetrarrhena acuminata

Explore the data for this taxon in the portal

Family Poaceae

Taxonomy: Tetrarrhena acuminata R.Br.

Synonyms: 2 (APC 2026-07-30)
  • Ehrharta acuminata (R.Br.) Spreng. (nomenclatural synonym)
  • Microlaena acuminata (R.Br.) Mez (nomenclatural synonym)

Distribution (APC): SA, Vic, Tas

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (9), Cheal_2017 (4), Draper_2023 (3), GrassBase_2014 (6), Jordan_2001 (7), Mokany_2015 (1), NHNSW_2014 (1), NHNSW_2022 (4), NHNSW_2023 (11), Osborne_2014 (1), RBGV_2022 (4), RBGV_2023 (11), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 42 traits from 92 records in 17 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 (2); monoecious (1) [sources: Jordan_2001; Sjostrom_2006]
fruit morphology
  • fruit_type (categorical): caryopsis (4) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; Sjostrom_2006]
  • fruit_fleshiness (categorical): dry (2) [sources: Jordan_2001; Sjostrom_2006]
  • fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
leaf morphology
  • leaf_area (numerical): 376.99 mm2 (376.99-376.99 mm2) [sources: Mokany_2015]
  • leaf_length (numerical): 46.25 mm (10-120 mm) [sources: ABRS_2023; GrassBase_2014; NHNSW_2023; RBGV_2023]
  • leaf_width (numerical): 2.88 mm (1-5 mm) [sources: ABRS_2023; GrassBase_2014; NHNSW_2023; RBGV_2023]
  • leaf_margin (categorical): toothed (2) [sources: NHNSW_2023; RBGV_2023]
  • leaf_lamina_posture (categorical): flat (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • leaf_phyllotaxis (categorical): alternate (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • leaf_arrangement (categorical): distichous (2) [sources: NHNSW_2023; RBGV_2023]
  • plant_photosynthetic_organ (categorical): leaf (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
life history
  • photosynthetic_pathway (categorical): c3 (2) [sources: Osborne_2014; White_2020]
  • plant_growth_form (categorical): graminoid (4); graminoid_not_tussock (1); herb (3) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; Wenk_2022; White_2020]
  • life_history (categorical): perennial (5) [sources: ABRS_2022; Jordan_2001; NHNSW_2022; RBGV_2022; Wenk_2023]
  • woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; Wenk_2022]
  • stem_growth_habit (categorical): decumbent (2); erect (1); rhizomatous (3) [sources: ABRS_2022; 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 (1); zoochory (1) [sources: Draper_2023; White_2020]
  • dispersers (categorical): abiotic (1); animals (1); mammals (1) [sources: Draper_2023; White_2020]
  • flowering_time (categorical): ynnnnnnnnnny (1); yyynnnnnnyyy (1) [sources: NHNSW_2014; White_2020]
  • seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
  • vegetative_reproduction_ability (categorical): vegetative (1) [sources: White_2020]
  • storage_organ (categorical): rhizome (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
seed morphology
  • seed_length (numerical): 7 mm (7-7 mm) [sources: Jordan_2001]
  • seed_width (numerical): 3 mm (3-3 mm) [sources: Jordan_2001]
whole plant morphology

Sources

dataset_idn_traitsn_recordsreference
White_20201919M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
NHNSW_2023911N. 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/.
RBGV_2023911VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
ABRS_202379Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Jordan_200177G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
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.
ABRS_202244Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Cheal_201744D. 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.
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.
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.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Mokany_201511K. Mokany, J. J. Thomson, A. J. J. Lynch, G. J. Jordan, and S. Ferrier. “Linking changes in community composition and function under climate change”. Ecological Applications 25.8 (2015), pp. 2132-2141. doi: 10.1890/14-2384.1.
NHNSW_201411Royal Botanic Gardens Sydney. PLantNET. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/search/simple.htm.
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.