Tetrarrhena laevis

Explore the data for this taxon in the portal

Family Poaceae

Taxonomy: Tetrarrhena laevis R.Br.

Synonyms: 4 (APC 2026-07-30)

Ehrharta drummondiana (Nees) Steud. (taxonomic synonym)
Ehrharta laevis (R.Br.) Spreng. (nomenclatural synonym)
Ehrharta laevis (R.Br.) Steud. (nomenclatural synonym)
Tetrarrhena drummondiana Nees (taxonomic synonym)

Distribution (APC): WA

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (9), Burrows_2008_2 (4), Burrows_2020 (4), GrassBase_2014 (6), NHNSW_2014 (1), Osborne_2014 (1), Pekin_2011 (5), Sjostrom_2006 (4), Standish_2019 (7), WAH_2022_2 (4), WAH_2023_2 (4), Wenk_2022 (2), Wenk_2023 (1), Wheeler_2002 (10), eFLOWER_Dun_2022 (6). See below for a full list of sources.
Summary: AusTraits contains 31 traits from 72 records in 16 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): resprouts (4) [sources: Burrows_2008_2; Burrows_2020; Pekin_2011; Standish_2019]
fire_time_from_fire_to_flowering (numerical): 18 mo (18-18 mo) [sources: Burrows_2020]

flower morphology

flower_colour (categorical): green (1) [sources: eFLOWER_Dun_2022]
sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_type (categorical): caryopsis (3) [sources: ABRS_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_length (numerical): 126.67 mm (50-200 mm) [sources: ABRS_2023; GrassBase_2014; Wheeler_2002]
leaf_width (numerical): 4.67 mm (2-8 mm) [sources: ABRS_2023; GrassBase_2014; Wheeler_2002]
leaf_shape (categorical): linear (1) [sources: Wheeler_2002]
leaf_lobation (categorical): unlobed (1) [sources: Wheeler_2002]
leaf_compoundness (categorical): simple (1) [sources: Wheeler_2002]
leaf_lamina_posture (categorical): flat (1) [sources: ABRS_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Osborne_2014]
plant_growth_form (categorical): graminoid (5); herb (2) [sources: ABRS_2022; Standish_2019; WAH_2022_2; Wenk_2022; Wheeler_2002]
life_history (categorical): perennial (8) [sources: ABRS_2022; Burrows_2008_2; Burrows_2020; Pekin_2011; Standish_2019; WAH_2022_2; Wenk_2023; Wheeler_2002]
woodiness_detailed (categorical): herbaceous (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): caespitose (1); erect (1); rhizomatous (2) [sources: ABRS_2022; WAH_2022_2]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: Pekin_2011; Standish_2019]
root_structure (categorical): arbuscular_mycorrhizal (2) [sources: Pekin_2011; Standish_2019]
flowering_time (categorical): ynnnnnnnyyyy (1) [sources: NHNSW_2014]
seedbank_location (categorical): soil_seedbank (1) [sources: Standish_2019]
storage_organ (categorical): rhizome (2) [sources: ABRS_2023; WAH_2023_2]
bud_bank_location (categorical): bud-bearing_root (2); fleshy_underground_organ (1) [sources: Burrows_2008_2; Burrows_2020; Pekin_2011]

seed morphology

seed_dry_mass (numerical): 6.64 mg (6.64-6.64 mg) [sources: Standish_2019]

whole plant morphology

plant_height (numerical): 0.51 m (0.25-0.7 m) [sources: GrassBase_2014; WAH_2023_2; Wheeler_2002]

Sources

dataset_id	n_traits	n_records	reference
Wheeler_2002	8	10	J. R. Wheeler, N. G. Marchant, and M. Lewington. Flora of the south west: Bunbury, Augusta, Denmark. Australian Biological Resources Study ; University of Western Australia Press, 2002. ISBN: 9780642568168.
ABRS_2023	7	9	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Standish_2019	7	7	R. Standish. “Unpublished data: Jarrah forest, Murdoch University”. 2019.
GrassBase_2014	3	6	W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
eFLOWER_Dun_2022	4	6	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
Pekin_2011	5	5	B. K. Pekin, R. S. Wittkuhn, M. M. Boer, C. Macfarlane, and P. F. Grierson. “Plant functional traits along environmental gradients in seasonally dry and fire-prone ecosystem”. Journal of Vegetation Science 22 (2011), pp. 1009-1020. doi: 10.1111/j.1654-1103.2011.01323.x.
ABRS_2022	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Burrows_2008_2	4	4	N. D. Burrows, G. Wardell-Johnson, and B. Ward. “Post-fire juvenile period of plants in south-west Australia forests and implications for fire management”. Journal of the Royal Society of Western Australia 91 (2008), pp. 163-174. ISSN: 0035922X. url: http://hdl.handle.net/20.500.11937/19156 (visited on 03/27/2025).
Burrows_2020	4	4	N. Burrows. Data from 'Plant Ecological Attributes' theme, NatureMap, DBCA, WA. 2020.
Sjostrom_2006	4	4	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.
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/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
NHNSW_2014	1	1	Royal Botanic Gardens Sydney. PLantNET. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/search/simple.htm.
Osborne_2014	1	1	C. 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_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.