Urochloa holosericea subsp. holosericea

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Family Poaceae

Taxonomy: Urochloa holosericea (R.Br.) R.D.Webster subsp. holosericea

Synonyms: 1 (APC 2026-07-30)

Brachiaria holosericea (R.Br.) Hughes subsp. holosericea (nomenclatural synonym)

Distribution (APC): WA, NT, Qld

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

Traits

Top source datasets: GrassBase_2014 (8), Kew_2019_1 (1), Kew_2019_6 (1), Metcalfe_2020_2 (21), Osborne_2014 (1), 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 24 traits from 42 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): hermaphrodite (1) [sources: Metcalfe_2020_2]

fruit morphology

fruit_length (numerical): 1.38 mm (1.25-1.5 mm) [sources: Metcalfe_2020_2]
fruit_type (categorical): caryopsis (2) [sources: Metcalfe_2020_2; WAH_2023_2]
fruit_fleshiness (categorical): dry (1) [sources: Metcalfe_2020_2]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (1) [sources: Metcalfe_2020_2]

leaf morphology

leaf_area (numerical): 121.5 mm2 (121.5-121.5 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 45 mm (10-80 mm) [sources: GrassBase_2014; Metcalfe_2020_2]
leaf_width (numerical): 4.5 mm (2-7 mm) [sources: GrassBase_2014; Metcalfe_2020_2]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]

life history

photosynthetic_pathway (categorical): c4 (2) [sources: Metcalfe_2020_2; Osborne_2014]
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 (2) [sources: WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); erect (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]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_2]

seed morphology

seed_dry_mass (numerical): 1.37 mg (1.37-1.37 mg) [sources: Kew_2019_1]
seed_length (numerical): 1.38 mm (1.25-1.5 mm) [sources: GrassBase_2014]

whole plant morphology

plant_height (numerical): 0.52 m (0.15-0.7 m) [sources: GrassBase_2014; Metcalfe_2020_2; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	18	21	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.
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/.
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/.
Kew_2019_6	1	1	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.