Machaerina nuda

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Family Cyperaceae

Taxonomy: Machaerina nuda (Steud.) J.Kern

Synonyms: 5 (APC 2026-07-30)

Baumea nuda (Steud.) S.T.Blake (nomenclatural synonym)
Cladium nudum (Steud.) Boeckeler (nomenclatural synonym)
Cladium nudum (Steud.) Boeckeler var. nudum (nomenclatural synonym)
Mariscus nudus (Steud.) Kuntze (nomenclatural synonym)
Schoenus nudus Steud. (nomenclatural synonym)

Distribution (APC): Qld, NSW

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

Traits

Top source datasets: Metcalfe_2020_1 (20), NHNSW_2014_2 (4), NHNSW_2022 (4), NHNSW_2023 (11), NSWFRD_2014 (5), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 44 traits from 71 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.

fire response

resprouting_capacity (categorical): resprouts (2) [sources: NSWFRD_2014; White_2020]

flower morphology

flower_colour (categorical): red_brown (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (2) [sources: Metcalfe_2020_1; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 2.15 mm (2-2.3 mm) [sources: Metcalfe_2020_1; NHNSW_2023]
fruit_width (numerical): 1.08 mm (1-1.3 mm) [sources: Metcalfe_2020_1; NHNSW_2023]
fruit_height (numerical): 1.15 mm (1-1.3 mm) [sources: Metcalfe_2020_1; NHNSW_2023]
fruit_type (categorical): nut (3) [sources: Metcalfe_2020_1; NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Metcalfe_2020_1; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (2) [sources: Metcalfe_2020_1; Sjostrom_2006]
fruit_colour (categorical): black (1); brown (1); red (1) [sources: NHNSW_2023]

leaf morphology

leaf_length (numerical): 800 mm (800-800 mm) [sources: Metcalfe_2020_1]
leaf_width (numerical): 0.5 mm (0.5-0.5 mm) [sources: Metcalfe_2020_1]
leaf_shape (categorical): terete (1) [sources: NHNSW_2023]
leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
leaf_compoundness (categorical): simple (2) [sources: Metcalfe_2020_1; NHNSW_2014_2]
leaf_arrangement (categorical): distichous (1) [sources: NHNSW_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: Metcalfe_2020_1; White_2020]
plant_growth_form (categorical): graminoid (2); graminoid_not_tussock (1); herb (2); tussock (1) [sources: Metcalfe_2020_1; NHNSW_2022; NSWFRD_2014; Wenk_2022; White_2020]
life_form (categorical): hemicryptophyte (1) [sources: Metcalfe_2020_1]
life_history (categorical): perennial (2) [sources: NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): rhizomatous (1) [sources: NHNSW_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): vertebrate (1); wind (1) [sources: Metcalfe_2020_1; White_2020]
dispersal_syndrome (categorical): hydrochory (1) [sources: White_2020]
dispersers (categorical): water (1) [sources: White_2020]
flowering_time (categorical): yynnnnnnyyyy (2) [sources: NHNSW_2014_2; White_2020]
seedbank_longevity_class (categorical): persistent (2) [sources: NSWFRD_2014; White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1); vegetative (1) [sources: Metcalfe_2020_1; White_2020]
clonal_spread_mechanism (categorical): belowground_clonal (1) [sources: Metcalfe_2020_1]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]
bud_bank_location (categorical): rhizome (1) [sources: NSWFRD_2014]

seed morphology

seed_length (numerical): 1.3 mm (1.3-1.3 mm) [sources: Metcalfe_2020_1]

whole plant morphology

plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_1	18	20	D. Metcalfe. “Unpublished data: Database of Cyperaceae traits, 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	8	11	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/.
NSWFRD_2014	5	5	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.
NHNSW_2014_2	4	4	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://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.
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.