Digitaria bicornis

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Family Poaceae

Taxonomy: Digitaria bicornis (Lam.) Roem. & Schult.

Synonyms: 5 (APC 2026-07-30)

Digitaria chrysoblephara Fig. & De Not. (taxonomic synonym)
Digitaria ciliaris subsp. chrysoblephara (Fig. & De Not.) S.T.Blake (taxonomic synonym)
Digitaria commutata Schult.f. (taxonomic synonym)
Digitaria queenslandica Henrard (taxonomic synonym)
Paspalum bicorne Lam. (nomenclatural synonym)

Distribution (APC): WA, NT (naturalised), Qld (naturalised), ACT (formerly naturalised)

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

Traits

Top source datasets: Crowley_2007 (2), Kew_2019_1 (1), Kew_2019_6 (2), Metcalfe_2020_2 (20), Munroe_2019 (1), Nano_2011 (2), Simpson_2021 (1), Sjostrom_2006 (4), Stephens_2021 (2), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 26 traits from 45 records in 13 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 (2) [sources: Crowley_2007; Nano_2011]

flower morphology

sex_type (categorical): hermaphrodite (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 2.25 mm (2-2.5 mm) [sources: Metcalfe_2020_2]
fruit_type (categorical): caryopsis (3) [sources: 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): 369 mm2 (369-369 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 102.5 mm (10-195 mm) [sources: Metcalfe_2020_2]
leaf_width (numerical): 6 mm (2-10 mm) [sources: Metcalfe_2020_2]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]

life history

photosynthetic_pathway (categorical): c4 (1) [sources: Munroe_2019]
plant_growth_form (categorical): graminoid (1); herb (1); tussock (2) [sources: Metcalfe_2020_2; WAH_2022_2; Wenk_2022]
life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): annual (3) [sources: Simpson_2021; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (1) [sources: WAH_2022_2]
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): nyyyyyynnnnn (1); yyyyyyyyyyyy (1) [sources: Stephens_2021]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_2]
bud_bank_location (categorical): none (2) [sources: Crowley_2007; Nano_2011]

seed morphology

seed_dry_mass (numerical): 0.68 mg (0.68-0.68 mg) [sources: Kew_2019_1]

whole plant morphology

plant_height (numerical): 0.7 m (0.2-1 m) [sources: Metcalfe_2020_2; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	17	20	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
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/.
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).
Kew_2019_6	1	2	Royal Botanic Gardens Kew. Germination data from the 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.
Stephens_2021	1	2	R. Stephens. “Unpublished data: Flowering time data from TERN plots, Macquarie University.”. 2021.
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.
Simpson_2021	1	1	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_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.