Panicum decompositum

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Family Poaceae

Taxonomy: Panicum decompositum R.Br.

Synonyms: 1 (APC 2026-07-30)

Panicum proliferum var. decompositum (R.Br.) Thell. (nomenclatural synonym)

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: ANBG_2019 (4), Crowley_2007 (2), Draper_2023 (3), GrassBase_2014 (7), Hall_1981 (21), Jurado_1991 (6), Jurado_1992 (3), Kew_2019_1 (2), Kew_2019_5 (1), Leishman_1992 (7), Metcalfe_2020_2 (16), Moles_2003 (4), Moles_2011 (6), Munroe_2019 (1), NHNSW_2014 (1), NHNSW_2014_2 (1), NHNSW_2022 (3), NHNSW_2023 (6), NSWFRD_2014 (4), NTH_2022 (3), NTH_2023 (7), Osborne_2014 (2), Simpson_2021 (2), Sjostrom_2006 (4), Soliveres_2012 (3), WAH_2022_2 (3), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19), Williams_2005 (3), Williams_2011 (9), eFLOWER_Dun_2022 (5). See below for a full list of sources.
Summary: AusTraits contains 61 traits from 164 records in 33 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 (1); resprouts (2) [sources: Crowley_2007; NSWFRD_2014; White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 1.5 mm (1.5-1.5 mm) [sources: Metcalfe_2020_2]
fruit_type (categorical): caryopsis (5) [sources: Metcalfe_2020_2; NHNSW_2023; NTH_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): 2346.23 mm2 (145.18-4000 mm2) [sources: Jurado_1991; Leishman_1992; Metcalfe_2020_2; Moles_2011]
leaf_length (numerical): 222.5 mm (70-500 mm) [sources: GrassBase_2014; NTH_2023]
leaf_width (numerical): 6.67 mm (2.5-12 mm) [sources: GrassBase_2014; NHNSW_2023; NTH_2023]
leaf_mass_per_area (numerical): 88.01 g/m2 (88.01-88.01 g/m2) [sources: Moles_2011]
leaf_dry_matter_content (numerical): 0.44 g/g (0.44-0.44 g/g) [sources: Moles_2011]
leaf_shape (categorical): linear (1) [sources: NTH_2023]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
leaf_hairs_adult_leaves (categorical): glabrous (1) [sources: Moles_2011]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; NTH_2023]

life history

photosynthetic_pathway (categorical): c4 (3) [sources: Munroe_2019; Osborne_2014; White_2020]
plant_growth_form (categorical): graminoid (8); herb (6); tussock (3) [sources: Hall_1981; Jurado_1991; Leishman_1992; Metcalfe_2020_2; Moles_2003; Moles_2011; NHNSW_2022; NSWFRD_2014; NTH_2022; Soliveres_2012; WAH_2022_2; Wenk_2022; White_2020; Williams_2011]
life_form (categorical): hemicryptophyte (3) [sources: Metcalfe_2020_2; Williams_2005; Williams_2011]
life_history (categorical): perennial (8) [sources: Leishman_1992; Moles_2003; NHNSW_2022; NTH_2022; Simpson_2021; WAH_2022_2; Wenk_2023; Williams_2005]
woodiness_detailed (categorical): herbaceous (4) [sources: NHNSW_2022; NTH_2022; WAH_2022_2; Wenk_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020; Williams_2011]
root_structure (categorical): arbuscular_mycorrhizal (1); non_mycorrhizal (1) [sources: Metcalfe_2020_2; Williams_2011]
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]
pollination_system (categorical): abiotic (1) [sources: Williams_2011]
dispersal_syndrome (categorical): anemochory (5); barochory (2) [sources: Draper_2023; Jurado_1991; Kew_2019_5; Metcalfe_2020_2; Soliveres_2012; White_2020; Williams_2011]
dispersers (categorical): wind (3) [sources: Draper_2023; Soliveres_2012; White_2020]
flowering_time (categorical): yynnnnnnnnny (2); yyyyynnnnnny (1); yyyyyyyyyyyy (1) [sources: NHNSW_2014; NHNSW_2014_2; NSWFRD_2014; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
seed_viability (numerical): 0.16 {count}/{count} (0.16-0.16 {count}/{count}) [sources: Moles_2003]
vegetative_reproduction_ability (categorical): not_vegetative (2); vegetative (1) [sources: Metcalfe_2020_2; White_2020; Williams_2005]
clonal_spread_mechanism (categorical): belowground_clonal (1); non_clonal (1) [sources: Metcalfe_2020_2; Williams_2011]
storage_organ (categorical): no_storage_organ (1) [sources: Leishman_1992]
bud_bank_location (categorical): basal_stem_buds (1); root_crown (1) [sources: Crowley_2007; Simpson_2021]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 8.62 mg/g (3.2-22.4 mg/g) [sources: Hall_1981]
leaf_P_per_dry_mass (numerical): 1.29 mg/g (0.6-2.7 mg/g) [sources: Hall_1981]
leaf_delta13C (numerical): -12.2 {delta}[ppth] (-12.2--12.2 {delta}[ppth]) [sources: Osborne_2014]

seed morphology

seed_dry_mass (numerical): 0.62 mg (0.45-0.7 mg) [sources: Jurado_1991; Kew_2019_1; Leishman_1992; Metcalfe_2020_2; Williams_2011]
seed_length (numerical): 1.03 mm (0.56-1.5 mm) [sources: ANBG_2019; GrassBase_2014]
seed_width (numerical): 0.29 mm (0.29-0.29 mm) [sources: ANBG_2019]
seed_shape (categorical): ellipsoid (1) [sources: ANBG_2019]

whole plant morphology

plant_height (numerical): 0.91 m (0.3-1.45 m) [sources: GrassBase_2014; Leishman_1992; NHNSW_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (2) [sources: Moles_2011; White_2020]

Sources

dataset_id	n_traits	n_records	reference
Hall_1981	3	21	T. J. Hall. “The nitrogen and phosphorus concentrations of some pasture species in the Dichanthium-Eulalia Grasslands of North-West Queensland.”. The Rangeland Journal 3.1 (1981), pp. 67-73. doi: 10.1071/rj9810067.
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	16	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
Williams_2011	9	9	R. 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.
GrassBase_2014	4	7	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.
Leishman_1992	7	7	M. R. Leishman and M. Westoby. “Classifying plants into groups on the basis of associations of individual traits-Evidence from Australian semi-arid woodlands”. Journal of Ecology 80 (1992), pp. 417-424. doi: 10.2307/2260687.
NTH_2023	5	7	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
Jurado_1991	6	6	E. Jurado. “Diaspore weight, dispersal, growth form and perenniality of central Australian plants”. Journal of Ecology 79 (1991), pp. 811-828.
Moles_2011	6	6	A. T. Moles, I. R. Wallis, W. J. Foley, D. I. Warton, J. C. Stegen, A. J. Bisigato, L. Cella-Pizarro, C. J. Clark, P. S. Cohen, W. K. Cornwell, W. Edwards, R. Ejrnaes, T. Gonzales-Ojeda, B. J. Graae, G. Hay, F. C. Lumbwe, B. Magana-Rodriguez, B. D. Moore, P. L. Peri, J. R. Poulsen, R. Veldtman, H. von Zeipel, N. R. Andrew, S. L. Boulter, E. T. Borer, F. F. Campon, M. Coll, A. G. Farji-Brener, J. D. Gabriel, E. Jurado, L. A. Kyhn, B. Low, C. P. H. Mulder, K. Reardon-Smith, J. Rodriguez-Velazquez, E. W. Seabloom, P. A. Vesk, A. van Cauter, M. S. Waldram, Z. Zheng, P. G. Blendinger, B. J. Enquist, J. M. Facelli, T. Knight, J. D. Majer, M. Martinez-Ramos, P. McQuillan, and L. D. Prior. “Putting plant resistance traits on the map: A test of the idea that plants are better defended at lower latitudes”. New Phytologist 191.3 (2011), pp. 777-788. doi: 10.1111/j.1469-8137.2011.03732.x.
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/.
eFLOWER_Dun_2022	4	5	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
ANBG_2019	4	4	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
Moles_2003	4	4	A. T. Moles, D. I. Warton, and M. Westoby. “Seed size and survival in the soil in arid Australia”. Austral Ecology 28.5 (2003), pp. 575-585. doi: 10.1046/j.1442-9993.2003.01314.x.
NSWFRD_2014	4	4	B. 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.
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.
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.
Jurado_1992	1	3	E. Jurado and M. Westoby. “Germination biology of selected central Australian plants”. Austral Ecology 17.3 (1992), pp. 341-348. doi: 10.1111/j.1442-9993.1992.tb00816.x.
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/.
NTH_2022	3	3	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
Soliveres_2012	3	3	S. Soliveres, D. J. Eldridge, F. Hemmings, and F. T. Maestre. “Nurse plant effects on plant species richness in drylands: The role of grazing, rainfall and species specificity”. Perspectives in Plant Ecology, Evolution and Systematics 14 (2012), pp. 402-410. doi: 10.1016/j.ppees.2012.09.003.
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/.
Williams_2005	3	3	N. S. G. Williams, J. W. Morgan, M. J. McDonnell, and M. A. McCarthy. “Plant traits and local extinctions in natural grasslands along an urban-rural gradient”. Journal of Ecology 93.6 (2005), pp. 1203-1213. doi: 10.1111/j.1365-2745.2005.01039.x.
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).
Kew_2019_1	1	2	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Osborne_2014	2	2	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.
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.
Kew_2019_5	1	1	Royal Botanic Gardens Kew. Seed dispersal data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.
NHNSW_2014_2	1	1	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.