Eragrostis exigua

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Family Poaceae

Taxonomy: Eragrostis exigua Lazarides

Synonyms: 3 (APC 2026-07-30)

Eragrostis sp. (Mt Elliott B.K.Simon 2613) (taxonomic synonym)
Eragrostis sp. (Mt Elliott B.K.Simon+ 2613) (taxonomic synonym)
Eragrostis sp. Q5 (exigua ms) (nomenclatural synonym)

Misapplied names: 2 (APC 2026-07-30)

Eragrostis japonica (Thunb.) Trin. (misapplied)
Eragrostis tenellula (Kunth) Steud. (misapplied)

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 (6), Draper_2023 (3), GrassBase_2014 (6), Kew_2019_1 (1), Kew_2019_6 (1), Metcalfe_2020_2 (15), NHNSW_2014 (1), Osborne_2014 (1), RBGV_2022 (4), RBGV_2023 (7), Sjostrom_2006 (4), WAH_2022_2 (3), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (38). See below for a full list of sources.
Summary: AusTraits contains 41 traits from 99 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

resprouting_capacity (categorical): fire_killed (2) [sources: White_2020]

flower morphology

sex_type (categorical): hermaphrodite (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 0.4 mm (0.3-0.5 mm) [sources: ABRS_2023; Metcalfe_2020_2]
fruit_type (categorical): caryopsis (5) [sources: ABRS_2023; Metcalfe_2020_2; RBGV_2023; Sjostrom_2006; WAH_2023_2]
fruit_fleshiness (categorical): dry (2) [sources: Metcalfe_2020_2; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 150 mm (150-150 mm) [sources: RBGV_2023]
leaf_width (numerical): 4.75 mm (2-6 mm) [sources: GrassBase_2014; RBGV_2023]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
leaf_lamina_posture (categorical): conduplicate (1); flat (2); involute (2) [sources: ABRS_2023; RBGV_2023]
leaf_phyllotaxis (categorical): alternate (2) [sources: ABRS_2023; RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c4 (4) [sources: Metcalfe_2020_2; Osborne_2014; White_2020]
plant_growth_form (categorical): graminoid (3); herb (3); tussock (4) [sources: ABRS_2022; Metcalfe_2020_2; RBGV_2022; WAH_2022_2; Wenk_2022; White_2020]
life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): annual (4) [sources: ABRS_2022; RBGV_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; RBGV_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); erect (1); prostrate (1) [sources: RBGV_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020]
root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
parasitic (categorical): not_parasitic (2) [sources: White_2020]
pollination_syndrome (categorical): abiotic (2); self (1); wind (2) [sources: Draper_2023; Metcalfe_2020_2; White_2020]
dispersal_syndrome (categorical): barochory (2); hydrochory (2) [sources: Draper_2023; Metcalfe_2020_2; White_2020]
dispersers (categorical): passive (1); water (2) [sources: Draper_2023; White_2020]
flowering_time (categorical): nnnynnnynnnn (1); ynnnnnnnyyyy (1); yyyyyyynnnny (1) [sources: NHNSW_2014; White_2020]
seedbank_longevity_class (categorical): transient (2) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (2); vegetative (1) [sources: Metcalfe_2020_2; White_2020]

seed morphology

seed_dry_mass (numerical): 0.01 mg (0.01-0.01 mg) [sources: Kew_2019_1]
seed_length (numerical): 0.4 mm (0.3-0.5 mm) [sources: GrassBase_2014]

whole plant morphology

plant_height (numerical): 0.44 m (0.03-1.24 m) [sources: GrassBase_2014; RBGV_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (2) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	20	38	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
Metcalfe_2020_2	14	15	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
RBGV_2023	7	7	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
ABRS_2023	5	6	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
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.
RBGV_2022	4	4	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
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.
ABRS_2022	3	3	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Draper_2023	3	3	J. 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.
WAH_2022_2	3	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
WAH_2023_2	2	3	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.
Kew_2019_1	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Kew_2019_6	1	1	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.