Iseilema membranaceum

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Family Poaceae

Taxonomy: Iseilema membranaceum (Lindl.) Domin

Synonyms: 9 (APC 2026-07-30)

Anthistiria membranacea Lindl. (nomenclatural synonym)
Anthistiria membranacea Lindl. var. membranacea (nomenclatural synonym)
Iseilema actinostachys Domin (taxonomic synonym)
Iseilema membranacea Domin (orthographic variant)
Iseilema membranaceum (Lindl.) Domin var. membranaceum (nomenclatural synonym)
Iseilema mitchellii Andersson (taxonomic synonym)
Iseilema mitchellii Andersson var. mitchellii (taxonomic synonym)
Themeda membranacea (Lindl.) C.A.Gardner (nomenclatural synonym)
Themeda prostrata var. membranacea (Lindl.) Roberty (nomenclatural synonym)

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

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

Traits

Top source datasets: Crowley_2007 (2), Draper_2023 (2), GrassBase_2014 (8), Islam_1999_2 (12), Kew_2019_1 (2), Metcalfe_2020_2 (17), Munroe_2019 (1), NHNSW_2014 (1), NHNSW_2022 (3), NHNSW_2023 (6), Nano_2011 (2), Osborne_2014 (1), SAH_2014 (1), SAH_2022 (3), SAH_2023 (3), Simpson_2021 (2), Sjostrom_2006 (4), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19), eFLOWER_Dun_2022 (7). See below for a full list of sources.
Summary: AusTraits contains 52 traits from 106 records in 23 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 (3) [sources: Crowley_2007; Nano_2011; White_2020]

flower morphology

flower_colour (categorical): blue_purple (1); green (1) [sources: eFLOWER_Dun_2022]
sex_type (categorical): andromonoecious (1); gynomonoecious (1); hermaphrodite (1); monoecious (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 2.1 mm (2-2.2 mm) [sources: Metcalfe_2020_2]
fruit_type (categorical): caryopsis (5) [sources: Metcalfe_2020_2; NHNSW_2023; SAH_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_area (numerical): 231 mm2 (231-231 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 110 mm (20-200 mm) [sources: GrassBase_2014]
leaf_width (numerical): 3.33 mm (2-5 mm) [sources: GrassBase_2014; NHNSW_2023; SAH_2014]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
leaf_lamina_posture (categorical): flat (1) [sources: SAH_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c4 (4) [sources: Metcalfe_2020_2; Munroe_2019; Osborne_2014; White_2020]
plant_growth_form (categorical): graminoid (3); herb (3); tussock (3) [sources: Metcalfe_2020_2; NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): annual (5) [sources: NHNSW_2022; SAH_2022; Simpson_2021; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (4) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): prostrate (1); spreading (1) [sources: WAH_2022_2]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1); self (1); wind (2) [sources: Draper_2023; Metcalfe_2020_2; White_2020]
dispersal_syndrome (categorical): anemochory (1); epizoochory (2) [sources: Draper_2023; Metcalfe_2020_2; White_2020]
dispersers (categorical): mammals (1) [sources: White_2020]
flowering_time (categorical): yyyyynnnnnny (1); yyyyyyynnnny (1) [sources: NHNSW_2014; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (2) [sources: Metcalfe_2020_2; White_2020]
bud_bank_location (categorical): none (2); root_crown (1) [sources: Crowley_2007; Nano_2011; Simpson_2021]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 5.95 mg/g (5.1-6.8 mg/g) [sources: Islam_1999_2]
leaf_P_per_dry_mass (numerical): 1.1 mg/g (0.8-1.4 mg/g) [sources: Islam_1999_2]

seed morphology

seed_dry_mass (numerical): 1.5 mg (0.68-2.32 mg) [sources: Kew_2019_1]
seed_length (numerical): 2.1 mm (2-2.2 mm) [sources: GrassBase_2014]

whole plant morphology

plant_height (numerical): 0.53 m (0.05-0.9 m) [sources: GrassBase_2014; Metcalfe_2020_2; NHNSW_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	19	19	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
Metcalfe_2020_2	16	17	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
Islam_1999_2	6	12	M. Islam and M. Adams. “Mineral content and nutritive value of native grasses and the response to added phosphorus in a Pilbara rangeland”. Tropical Grasslands 33 (1999), pp. 193-200.
GrassBase_2014	4	8	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	5	7	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
NHNSW_2023	5	6	N. 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/.
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/.
NHNSW_2022	3	3	N. 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_2022	3	3	S. 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_2023	3	3	S. 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/.
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/.
Crowley_2007	2	2	G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
Draper_2023	2	2	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.
Kew_2019_1	1	2	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Nano_2011	2	2	C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
Simpson_2021	2	2	K. 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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Munroe_2019	1	1	S. 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.
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.
SAH_2014	1	1	J. P. Jessop and H. R. Toelken. Flora of South Australia, 4th edition, 4 vols. Electronic version curated by J. Kellermann, State Herbarium of South Australia.. Government Printer, Adelaide, 1986.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.