Oreobolus oxycarpus

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Family Cyperaceae

Taxonomy: Oreobolus oxycarpus S.T.Blake

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

Distribution (APC): NSW, ACT, Vic, Tas

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

Traits

Top source datasets: ANBG_2019 (6), Jordan_2001 (7), Mokany_2015 (2), NHNSW_2014_2 (3), NHNSW_2022 (4), NHNSW_2023 (16), NSWFRD_2014 (2), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 46 traits from 67 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: NSWFRD_2014; White_2020]

flower morphology

sex_type (categorical): hermaphrodite (2); monoecious (1) [sources: Jordan_2001; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 2.35 mm (1.8-2.9 mm) [sources: NHNSW_2023]
fruit_width (numerical): 0.9 mm (0.7-1.1 mm) [sources: NHNSW_2023]
fruit_height (numerical): 0.9 mm (0.7-1.1 mm) [sources: NHNSW_2023]
fruit_type (categorical): nut (2) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Jordan_2001; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
fruit_colour (categorical): brown (1); yellow (1) [sources: NHNSW_2023]

leaf morphology

leaf_area (numerical): 15.08 mm2 (15.08-15.08 mm2) [sources: Mokany_2015]
leaf_length (numerical): 12 mm (7-17 mm) [sources: NHNSW_2023]
leaf_width (numerical): 0.85 mm (0.5-1.2 mm) [sources: NHNSW_2023]
leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
leaf_lamina_posture (categorical): concave (1) [sources: NHNSW_2023]
leaf_arrangement (categorical): distichous (1) [sources: NHNSW_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): graminoid (2); herb (3) [sources: NHNSW_2022; NSWFRD_2014; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: Jordan_2001; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): mat-forming (1); prostrate (1) [sources: NHNSW_2022; White_2020]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1) [sources: White_2020]
dispersal_syndrome (categorical): endozoochory (1) [sources: White_2020]
dispersers (categorical): birds (1) [sources: White_2020]
flowering_time (categorical): yynnnnnnnnny (2) [sources: NHNSW_2014_2; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]

seed morphology

seed_dry_mass (numerical): 0.33 mg (0.26-0.41 mg) [sources: ANBG_2019]
seed_length (numerical): 2.1 mm (2.09-2.1 mm) [sources: ANBG_2019; Jordan_2001]
seed_width (numerical): 1.08 mm (0.85-1.3 mm) [sources: ANBG_2019; Jordan_2001]
seed_shape (categorical): fusiform (1) [sources: ANBG_2019]

whole plant morphology

plant_height (numerical): 0.1 m (0.1-0.1 m) [sources: Mokany_2015; NHNSW_2023]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
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	11	16	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/.
Jordan_2001	7	7	G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
ANBG_2019	5	6	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
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.
NHNSW_2014_2	3	3	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Mokany_2015	2	2	K. Mokany, J. J. Thomson, A. J. J. Lynch, G. J. Jordan, and S. Ferrier. “Linking changes in community composition and function under climate change”. Ecological Applications 25.8 (2015), pp. 2132-2141. doi: 10.1890/14-2384.1.
NSWFRD_2014	2	2	B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
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.