AusTraits

Rytidosperma semiannulare

Explore the data for this taxon in the portal

Family Poaceae

Taxonomy: Rytidosperma semiannulare (Labill.) Connor & Edgar

Synonyms: 6 (APC 2026-07-30)
  • Arundo semiannularis Labill. (nomenclatural synonym)
  • Danthonia penicillata var. semiannularis (Labill.) Rodway (nomenclatural synonym)
  • Danthonia semiannularis (Labill.) R.Br. (nomenclatural synonym)
  • Danthonia semiannularis (Labill.) R.Br. var. semiannularis (nomenclatural synonym)
  • Notodanthonia semiannularis (Labill.) Zotov (nomenclatural synonym)
  • Thonandia semiannularis (Labill.) H.P.Linder (nomenclatural synonym)

Distribution (APC): SA, NSW, Vic, Tas

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (4), Cheal_2017 (8), Draper_2023 (2), GrassBase_2014 (8), Jordan_2001 (7), Kew_2019_1 (2), Mokany_2015 (4), Moore_2019_2 (55), Morgan_2011_1 (5), NHNSW_2014 (1), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (6), NSWFRD_2014 (6), Osborne_2014 (1), RBGV_2022 (3), RBGV_2023 (6), SAH_2022 (4), SAH_2023 (7), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (38), Williams_2011 (10). See below for a full list of sources.
Summary: AusTraits contains 55 traits from 194 records in 25 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): red_brown (1) [sources: NHNSW_2014_2]
  • sex_type (categorical): hermaphrodite (2); monoecious (1) [sources: Jordan_2001; Sjostrom_2006]
fruit morphology
  • fruit_length (numerical): 1.5 mm (1.2-1.8 mm) [sources: ABRS_2023; SAH_2023]
  • fruit_type (categorical): caryopsis (5) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_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): 1215.16 mm2 (589.05-1789.7 mm2) [sources: Mokany_2015; Moore_2019_2]
  • leaf_length (numerical): 152.5 mm (70-200 mm) [sources: GrassBase_2014; NHNSW_2023; RBGV_2023; SAH_2023]
  • leaf_width (numerical): 1.25 mm (1-2 mm) [sources: GrassBase_2014; RBGV_2023]
  • leaf_dry_mass (numerical): 471.67 mg (425-514 mg) [sources: Moore_2019_2]
  • leaf_mass_per_area (numerical): 274.17 g/m2 (237.53-297.62 g/m2) [sources: Moore_2019_2]
  • leaf_dry_matter_content (numerical): 0.39 g/g (0.35-0.46 g/g) [sources: Moore_2019_2]
  • leaf_lamina_posture (categorical): involute (3) [sources: NHNSW_2023; RBGV_2023; SAH_2023]
  • leaf_phyllotaxis (categorical): alternate (2) [sources: NHNSW_2023; RBGV_2023]
  • plant_photosynthetic_organ (categorical): leaf (4) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
life history
  • photosynthetic_pathway (categorical): c3 (4); c4 (1) [sources: Moore_2019_2; Osborne_2014; White_2020; Williams_2011]
  • plant_growth_form (categorical): graminoid (3); herb (5); tussock (4) [sources: ABRS_2022; NHNSW_2022; NSWFRD_2014; RBGV_2022; SAH_2022; Wenk_2022; White_2020; Williams_2011]
  • life_form (categorical): hemicryptophyte (2) [sources: Morgan_2011_1; Williams_2011]
  • life_history (categorical): perennial (10) [sources: ABRS_2022; Cheal_2017; Jordan_2001; Moore_2019_2; Morgan_2011_1; NHNSW_2022; RBGV_2022; SAH_2022; Wenk_2023]
  • woodiness_detailed (categorical): herbaceous (5) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; SAH_2022; Wenk_2022]
  • stem_growth_habit (categorical): caespitose (2); erect (2); tufted (1) [sources: ABRS_2022; Moore_2019_2; NHNSW_2022; SAH_2022]
  • nitrogen_fixing (categorical): non_nitrogen_fixer (3) [sources: White_2020; Williams_2011]
  • root_structure (categorical): arbuscular_mycorrhizal (1) [sources: Williams_2011]
  • parasitic (categorical): not_parasitic (2) [sources: White_2020]
  • pollination_syndrome (categorical): abiotic (2); self (1); wind (1) [sources: Draper_2023; White_2020]
  • pollination_system (categorical): abiotic (1) [sources: Williams_2011]
  • dispersal_syndrome (categorical): epizoochory (5) [sources: Draper_2023; Morgan_2011_1; White_2020; Williams_2011]
  • dispersers (categorical): mammals (2) [sources: White_2020]
  • flowering_time (categorical): nnnnnnnnnyyy (2); ynnnnnnnnnyy (1); yynnnnnnyyyy (2) [sources: NHNSW_2014; NHNSW_2014_2; NSWFRD_2014; White_2020]
  • seedbank_longevity_class (categorical): persistent (2) [sources: White_2020]
  • vegetative_reproduction_ability (categorical): not_vegetative (3) [sources: Morgan_2011_1; White_2020]
  • clonal_spread_mechanism (categorical): non_clonal (1) [sources: Williams_2011]
  • bud_bank_location (categorical): bud-bearing_root (1); rhizome (1) [sources: Moore_2019_2; NSWFRD_2014]
seed morphology
  • seed_dry_mass (numerical): 0.39 mg (0.27-0.5 mg) [sources: Kew_2019_1]
  • seed_length (numerical): 5.75 mm (1.2-10 mm) [sources: Jordan_2001; GrassBase_2014]
  • seed_width (numerical): 2 mm (2-2 mm) [sources: Jordan_2001]
whole plant morphology

Sources

dataset_idn_traitsn_recordsreference
Moore_2019_21255N. A. Moore, J. S. Camac, and J. W. Morgan. “Effects of drought and fire on resprouting capacity of 52 temperate Australian perennial native grasses”. New Phytologist 221.3 (2018), pp. 1424-1433. doi: 10.1111/nph.15480.
White_20201938M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
Williams_20111010R. P. Duncan, S. E. Clemants, R. T. Corlett, A. K. Hahs, M. A. McCarthy, M. J. McDonnell, M. W. Schwartz, K. Thompson, P. A. Vesk, and N. S. G. Williams. “Plant traits and extinction in urban areas: a meta-analysis of 11 cities”. Global Ecology and Biogeography 20.4 (2011), pp. 509-519. doi: 10.1111/j.1466-8238.2010.00633.x.
Cheal_201758D. 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.
GrassBase_201448W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
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.
SAH_202367S. 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/.
NHNSW_202366N. 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/.
NSWFRD_201466B. 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.
RBGV_202366VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
Morgan_2011_155J. Morgan. “Unpublished data: Grassy woodland traits, La Trobe University”. 2011.
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.
ABRS_202334Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Mokany_201524K. 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_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/.
SAH_202244S. 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/.
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.
RBGV_202233VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.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/.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
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.