Urochloa decumbens
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Family Poaceae
Taxonomy: Urochloa decumbens (Stapf) R.D.Webster
Synonyms: 1 (APC 2026-07-30)
- Brachiaria decumbens Stapf (nomenclatural synonym)
Misapplied names: 1 (APC 2026-07-30)
- Urochloa brizantha (Hochst. ex A.Rich.) R.D.Webster (pro parte misapplied)
Distribution (APC): WA (naturalised), NT (doubtfully naturalised), Qld (naturalised), NSW (naturalised)
Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, NT eFlora, Florabase, ATRP
Traits
Top source datasets: Metcalfe_2020_2 (21), NHNSW_2014_2 (1), NHNSW_2022 (4), NHNSW_2023 (6), Sjostrom_2006 (4), WAH_2022_2 (4), WAH_2023_2 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 27 traits from 47 records in 9 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 (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): 825 mm2 (825-825 mm2) [sources: Metcalfe_2020_2]
- leaf_length (numerical): 125 mm (50-200 mm) [sources: Metcalfe_2020_2]
- leaf_width (numerical): 8.75 mm (3-15 mm) [sources: Metcalfe_2020_2; NHNSW_2023]
- leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]
- leaf_lamina_posture (categorical): flat (1) [sources: NHNSW_2023]
- 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: Metcalfe_2020_2]
- plant_growth_form (categorical): graminoid (2); herb (2); tussock (2) [sources: Metcalfe_2020_2; NHNSW_2022; WAH_2022_2; Wenk_2022]
- life_form (categorical): hemicryptophyte (1) [sources: Metcalfe_2020_2]
- life_history (categorical): perennial (3) [sources: NHNSW_2022; WAH_2022_2; Wenk_2023]
- woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; WAH_2022_2; Wenk_2022]
- stem_growth_habit (categorical): decumbent (1); erect (1); rhizomatous (1); stoloniferous (2) [sources: NHNSW_2022; 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): yynnnnnnnnny (1) [sources: NHNSW_2014_2]
- vegetative_reproduction_ability (categorical): vegetative (1) [sources: Metcalfe_2020_2]
- clonal_spread_mechanism (categorical): aboveground_clonal (1) [sources: Metcalfe_2020_2]
- storage_organ (categorical): rhizome (1) [sources: WAH_2023_2]
seed morphology
- seed_dry_mass (numerical): 3.47 mg (3.47-3.47 mg) [sources: Metcalfe_2020_2]
whole plant morphology
- plant_height (numerical): 1.32 m (0.3-2 m) [sources: Metcalfe_2020_2; WAH_2023_2]
Sources
| dataset_id | n_traits | n_records | reference |
|---|---|---|---|
| Metcalfe_2020_2 | 19 | 21 | D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 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/. |
| WAH_2023_2 | 3 | 4 | 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. |
| NHNSW_2014_2 | 1 | 1 | Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/. |
| Wenk_2023 | 1 | 1 | E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023. |