Paspalidium udum

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Family Poaceae

Taxonomy: Paspalidium udum S.T.Blake

Synonyms: 1 (APC 2026-07-30)

Setaria uda (S.T.Blake) R.D.Webster (nomenclatural synonym)

Distribution (APC): NT, Qld

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

Traits

Top source datasets: GrassBase_2014 (6), Metcalfe_2020_2 (15), NTH_2022 (4), NTH_2023 (7), Osborne_2014 (1), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 23 traits from 40 records in 8 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

flower morphology

sex_type (categorical): andromonoecious (1); hermaphrodite (1) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_type (categorical): caryopsis (3) [sources: Metcalfe_2020_2; NTH_2023; Sjostrom_2006]
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): 840 mm2 (840-840 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 200 mm (150-300 mm) [sources: GrassBase_2014; NTH_2023]
leaf_width (numerical): 7.75 mm (5-11 mm) [sources: GrassBase_2014; NTH_2023]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
leaf_lamina_posture (categorical): flat (1); involute (1) [sources: NTH_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NTH_2023]

life history

photosynthetic_pathway (categorical): c4 (2) [sources: Metcalfe_2020_2; Osborne_2014]
plant_growth_form (categorical): graminoid (1); herb (1); tussock (2) [sources: Metcalfe_2020_2; NTH_2022; Wenk_2022]
life_form (categorical): hemicryptophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): perennial (2) [sources: NTH_2022; Wenk_2023]
plant_growth_substrate (categorical): aquatic (1); semiaquatic (1) [sources: NTH_2022]
woodiness_detailed (categorical): herbaceous (2) [sources: NTH_2022; Wenk_2022]
root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
pollination_syndrome (categorical): wind (1) [sources: Metcalfe_2020_2]
dispersal_syndrome (categorical): barochory (1) [sources: Metcalfe_2020_2]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: Metcalfe_2020_2]
clonal_spread_mechanism (categorical): belowground_clonal (1) [sources: Metcalfe_2020_2]

whole plant morphology

plant_height (numerical): 0.65 m (0.4-0.9 m) [sources: GrassBase_2014]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	15	15	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
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/.
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.
NTH_2022	4	4	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/.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
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.