Dimeria ornithopoda

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Family Poaceae

Taxonomy: Dimeria ornithopoda Trin.

Synonyms: 11 (APC 2026-07-30)

Dimeria avenacea f. psilobasis Roberty (taxonomic synonym)
Dimeria avenacea subvar. glabriuscula (F.M.Bailey) Roberty (taxonomic synonym)
Dimeria avenacea subvar. ornithopoda (Trin.) Roberty (nomenclatural synonym)
Dimeria glabra Ridl. (taxonomic synonym)
Dimeria glabriuscula F.M.Bailey (taxonomic synonym)
Dimeria ornithopoda Trin. var. ornithopoda (nomenclatural synonym)
Dimeria ornithopoda var. glabra (Ridl.) Jansen (taxonomic synonym)
Dimeria ornithopoda var. psilobasis (F.Muell.) Hack. (taxonomic synonym)
Dimeria ornithopoda var. tenera (Trin.) Hack. (taxonomic synonym)
Dimeria psilobasis F.Muell. (taxonomic synonym)
Dimeria tenera Trin. (taxonomic synonym)

Distribution (APC): WA, NT, Qld

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (10), GrassBase_2014 (6), Kew_2019_1 (1), Metcalfe_2020_2 (14), Munroe_2019 (1), NHNSW_2014 (1), Osborne_2014 (1), Rice_1991 (1), Sjostrom_2006 (4), WAH_2022_2 (3), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), eFLOWER_Dun_2022 (5). See below for a full list of sources.
Summary: AusTraits contains 29 traits from 56 records in 15 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

flower_colour (categorical): black (1) [sources: eFLOWER_Dun_2022]
sex_type (categorical): hermaphrodite (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_type (categorical): caryopsis (4) [sources: ABRS_2023; Metcalfe_2020_2; 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): 39.38 mm2 (39.38-39.38 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 37.5 mm (5-70 mm) [sources: ABRS_2023; GrassBase_2014]
leaf_width (numerical): 1.75 mm (0.5-3 mm) [sources: ABRS_2023; GrassBase_2014]
leaf_shape (categorical): lanceolate (1); linear (1) [sources: ABRS_2023]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

photosynthetic_pathway (categorical): c4 (3) [sources: Metcalfe_2020_2; Munroe_2019; Osborne_2014]
plant_growth_form (categorical): graminoid (2); herb (3); tussock (2) [sources: ABRS_2022; Metcalfe_2020_2; Rice_1991; WAH_2022_2; Wenk_2022]
life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): annual (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
pollination_syndrome (categorical): wind (1) [sources: Metcalfe_2020_2]
dispersal_syndrome (categorical): anemochory (1) [sources: Metcalfe_2020_2]
flowering_time (categorical): nnnyyyyyynnn (1) [sources: NHNSW_2014]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_2]

seed morphology

seed_dry_mass (numerical): 0.09 mg (0.09-0.09 mg) [sources: Kew_2019_1]

whole plant morphology

plant_height (numerical): 0.24 m (0.05-0.5 m) [sources: ABRS_2023; GrassBase_2014; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	14	14	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
ABRS_2023	7	10	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.
eFLOWER_Dun_2022	5	5	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
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.
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/.
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.
Rice_1991	1	1	B. Rice. “Unpublished data: Growth form of Kakadu plant species, Macquarie University”. 1991.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.