Cyperus tetraphyllus

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Family Cyperaceae

Taxonomy: Cyperus tetraphyllus R.Br.

Synonyms: 1 (APC 2026-07-30)

Cyperus tetraphyllus R.Br. var. tetraphyllus (nomenclatural synonym)

Distribution (APC): Qld, NSW

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

Traits

Top source datasets: ATRP_2020 (3), Benwell_2024 (4), Kew_2019_1 (1), Kew_2019_6 (2), Leishman_1993 (1), Leishman_1995 (6), Metcalfe_2020_1 (2), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (8), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 28 traits from 40 records in 13 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) [sources: Benwell_2024]
post_fire_recruitment (categorical): post_fire_recruitment (1) [sources: Benwell_2024]

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): 1.3 mm (1.3-1.3 mm) [sources: NHNSW_2023]
fruit_width (numerical): 0.8 mm (0.8-0.8 mm) [sources: NHNSW_2023]
fruit_height (numerical): 0.8 mm (0.8-0.8 mm) [sources: NHNSW_2023]
fruit_type (categorical): nut (2) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
fruit_colour (categorical): yellow (1) [sources: NHNSW_2023]

leaf morphology

leaf_area (numerical): 1067 mm2 (1067-1067 mm2) [sources: Leishman_1995]
leaf_width (numerical): 3.5 mm (2-5 mm) [sources: NHNSW_2023]
leaf_mass_per_area (numerical): 83.33 g/m2 (83.33-83.33 g/m2) [sources: Leishman_1995]

life history

plant_growth_form (categorical): graminoid (2); herb (2) [sources: Leishman_1995; NHNSW_2022; Wenk_2022]
life_history (categorical): perennial (3) [sources: ATRP_2020; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): rhizomatous (1); tufted (1) [sources: ATRP_2020; NHNSW_2022]
dispersal_syndrome (categorical): barochory (1) [sources: Leishman_1995]
flowering_time (categorical): yynnnnnnyyyy (1) [sources: NHNSW_2014_2]
seedbank_location (categorical): soil_seedbank (1) [sources: Benwell_2024]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_1]
clonal_spread_mechanism (categorical): rhizome (1) [sources: ATRP_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]

seed morphology

seed_dry_mass (numerical): 0.22 mg (0.18-0.29 mg) [sources: Kew_2019_1; Leishman_1993; Leishman_1995]

whole plant morphology

plant_height (numerical): 0.6 m (0.6-0.6 m) [sources: Leishman_1995]

Sources

dataset_id	n_traits	n_records	reference
NHNSW_2023	7	8	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/.
Leishman_1995	6	6	M. R. Leishman, M. Westoby, and E. Jurado. “Correlates of seed size variation: A comparison among five temperate floras”. Journal of Ecology 83 (1995), pp. 517-529. doi: 10.2307/2261604.
Benwell_2024	4	4	A. Benwell. “Fire responses of flora in a sclerophyll-rainforest vegetation complex in the Nightcap Range, North Coast, New South Wales”. Australian Journal of Botany 72.1 (2024). Ed. by D. Williams. ISSN: 1444-9862. doi: 10.1071/bt23049.
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.
ATRP_2020	3	3	F. A. Zich, B. P. Hyland, T. Whiffin, and R. A. Kerrigan. Australian Tropical Rainforest Plants, Edition 8. 2020. url: https://apps.lucidcentral.org/rainforest/text/intro/index.html.
Kew_2019_6	1	2	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Metcalfe_2020_1	2	2	D. Metcalfe. “Unpublished data: Database of Cyperaceae traits, CSIRO”. 2020.
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.
Kew_2019_1	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Leishman_1993	1	1	M. Leishman. “Unpublished data: Seed mass data for Sydney species, Macquarie University”. 1990.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.