Ectrosia confusa

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Family Poaceae

Taxonomy: Ectrosia confusa C.E.Hubb.

Synonyms: none listed in the APC 2026-07-30

Distribution (APC): NT, Qld

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (6), GrassBase_2014 (8), Metcalfe_2020_2 (15), Osborne_2014 (1), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 24 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); trioecious (1) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 1 mm (1-1 mm) [sources: Metcalfe_2020_2]
fruit_type (categorical): caryopsis (3) [sources: ABRS_2023; Metcalfe_2020_2; 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): 46.8 mm2 (46.8-46.8 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 60 mm (40-80 mm) [sources: GrassBase_2014]
leaf_width (numerical): 1.3 mm (0.6-2 mm) [sources: ABRS_2023; GrassBase_2014]
leaf_base_shape (categorical): sheathing (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 (1) [sources: Osborne_2014]
plant_growth_form (categorical): graminoid (1); herb (1); tussock (2) [sources: ABRS_2022; Metcalfe_2020_2; Wenk_2022]
life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): annual (2) [sources: ABRS_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: ABRS_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): anemochory (1) [sources: Metcalfe_2020_2]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_2]

seed morphology

seed_length (numerical): 1 mm (1-1 mm) [sources: GrassBase_2014]

whole plant morphology

plant_height (numerical): 0.27 m (0.15-0.31 m) [sources: GrassBase_2014; Metcalfe_2020_2]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	15	15	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
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.
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.
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.
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.