Digitaria didactyla

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Family Poaceae

Taxonomy: Digitaria didactyla Willd.

Synonyms: 3 (APC 2026-07-30)

Digitaria didactyla var. decalvata Henrard (taxonomic synonym)
Panicum didactylum (Willd.) Kunth (nomenclatural synonym)
Panicum sanguinale var. brevispicatum Maiden (taxonomic synonym)

Distribution (APC): WA (naturalised), Qld (naturalised), NSW (naturalised)

Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, Florabase, ATRP

Traits

Top source datasets: Metcalfe_2020_2 (20), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (6), Simpson_2021 (3), Sjostrom_2006 (4), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 41 traits from 69 records in 11 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 (1) [sources: Simpson_2021; White_2020]

flower morphology

flower_colour (categorical): blue_purple (1); white_cream (1); yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_type (categorical): caryopsis (4) [sources: Metcalfe_2020_2; NHNSW_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): 124.95 mm2 (124.95-124.95 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 59.5 mm (19-100 mm) [sources: Metcalfe_2020_2]
leaf_width (numerical): 2.75 mm (1-6 mm) [sources: Metcalfe_2020_2; NHNSW_2023]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NHNSW_2023]

life history

photosynthetic_pathway (categorical): c4 (1) [sources: White_2020]
plant_growth_form (categorical): graminoid (2); herb (2); tussock (3) [sources: Metcalfe_2020_2; NHNSW_2022; WAH_2022_2; Wenk_2022; White_2020]
life_form (categorical): hemicryptophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): perennial (4) [sources: NHNSW_2022; Simpson_2021; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): stoloniferous (2) [sources: NHNSW_2022; WAH_2022_2]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1); wind (1) [sources: Metcalfe_2020_2; White_2020]
dispersal_syndrome (categorical): anemochory (2) [sources: Metcalfe_2020_2; White_2020]
dispersers (categorical): wind (1) [sources: White_2020]
flowering_time (categorical): yynnnnnnnnny (1); yyyynnnnnnny (1) [sources: NHNSW_2014_2; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1); vegetative (1) [sources: Metcalfe_2020_2; White_2020]
clonal_spread_mechanism (categorical): aboveground_clonal (1); belowground_clonal (1) [sources: Metcalfe_2020_2]
bud_bank_location (categorical): rhizome (1); stolon (1) [sources: Simpson_2021]

seed morphology

seed_dry_mass (numerical): 0.2 mg (0.2-0.2 mg) [sources: Metcalfe_2020_2]

whole plant morphology

plant_height (numerical): 0.47 m (0.1-0.7 m) [sources: Metcalfe_2020_2; NHNSW_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	18	20	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
White_2020	20	20	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
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/.
NHNSW_2022	4	4	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/.
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/.
Simpson_2021	3	3	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.
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/.
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.