AusTraits

Cyperus bifax

Explore the data for this taxon in the portal

Family Cyperaceae

Taxonomy: Cyperus bifax C.B.Clarke

Synonyms: 5 (APC 2026-07-30)
  • Cyperus disruptus C.B.Clarke (taxonomic synonym)
  • Cyperus retzii Nees (taxonomic synonym)
  • Cyperus rotundus subsp. retzii (Nees) Kük. (pro parte taxonomic synonym)
  • Cyperus rotundus var. disruptus (C.B.Clarke) Kük. (taxonomic synonym)
  • Cyperus rotundus var. pallidus Benth. (pro parte taxonomic synonym)
Misapplied names: 2 (APC 2026-07-30)
  • Cyperus lucidulus J.G.Klein ex Link (misapplied)
  • Cyperus tenuiflorus Rottb. (misapplied)

Distribution (APC): WA, NT, SA, Qld, NSW, Vic

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

Traits

Top source datasets: Crowley_2007 (2), Draper_2023 (3), Metcalfe_2020_1 (18), Munroe_2019 (1), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (6), Nano_2011 (2), RBGK_2014 (1), RBGV_2022 (4), RBGV_2023 (6), SAH_2022 (3), SAH_2023 (6), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 44 traits from 93 records in 20 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
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): 1.2 mm (1.2-1.2 mm) [sources: Metcalfe_2020_1; NHNSW_2023; RBGV_2023]
  • fruit_width (numerical): 0.8 mm (0.8-0.8 mm) [sources: NHNSW_2023; RBGV_2023]
  • fruit_height (numerical): 1.13 mm (0.8-1.8 mm) [sources: Metcalfe_2020_1; NHNSW_2023; RBGV_2023]
  • fruit_type (categorical): nut (5) [sources: Metcalfe_2020_1; NHNSW_2023; RBGV_2023; SAH_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); grey (3) [sources: NHNSW_2023; RBGV_2023; SAH_2023]
leaf morphology
  • leaf_length (numerical): 625 mm (500-750 mm) [sources: Metcalfe_2020_1]
  • leaf_width (numerical): 4 mm (4-4 mm) [sources: Metcalfe_2020_1]
  • leaf_base_shape (categorical): sheathing (1) [sources: SAH_2023]
  • leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_1]
life history
  • photosynthetic_pathway (categorical): c4 (2) [sources: Munroe_2019; White_2020]
  • plant_growth_form (categorical): graminoid (5); graminoid_not_tussock (1); herb (4); tussock (1) [sources: Metcalfe_2020_1; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
  • life_form (categorical): geophyte (1) [sources: Metcalfe_2020_1]
  • life_history (categorical): perennial (5) [sources: NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2023]
  • woodiness_detailed (categorical): herbaceous (5); woody_root (3) [sources: NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
  • stem_growth_habit (categorical): caespitose (1); rhizomatous (3) [sources: NHNSW_2022; RBGV_2022; WAH_2022_2]
  • nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
  • parasitic (categorical): not_parasitic (1) [sources: White_2020]
  • pollination_syndrome (categorical): abiotic (1); insect (1); wind (2) [sources: Draper_2023; Metcalfe_2020_1; White_2020]
  • dispersal_syndrome (categorical): anemochory (1); hydrochory (2); zoochory (1) [sources: Draper_2023; White_2020]
  • dispersers (categorical): abiotic (1); animals (1); birds (1); water (2); wind (1) [sources: Draper_2023; White_2020]
  • flowering_time (categorical): yynnnnnnyyyy (2); yyyyyyyynnnn (1) [sources: NHNSW_2014_2; WAH_1998; White_2020]
  • seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
  • vegetative_reproduction_ability (categorical): vegetative (2) [sources: Metcalfe_2020_1; White_2020]
  • clonal_spread_mechanism (categorical): belowground_clonal (1) [sources: Metcalfe_2020_1]
  • storage_organ (categorical): rhizome (1); rhizome_fleshy (3); rhizome_woody (2); stem_tuber (1) [sources: NHNSW_2023; RBGV_2023; SAH_2023; WAH_2023_2]
  • bud_bank_location (categorical): bud-bearing_root (2); fleshy_underground_organ (2); rhizome (2) [sources: Crowley_2007; Nano_2011]
seed morphology
  • seed_dry_mass (numerical): 0.3 mg (0.3-0.31 mg) [sources: Metcalfe_2020_1; RBGK_2014]
  • seed_length (numerical): 0.8 mm (0.8-0.8 mm) [sources: Metcalfe_2020_1]
whole plant morphology

Sources

dataset_idn_traitsn_recordsreference
White_20202020M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
Metcalfe_2020_11718D. Metcalfe. “Unpublished data: Database of Cyperaceae traits, CSIRO”. 2020.
NHNSW_202366N. 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/.
RBGV_202366VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
SAH_202356S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
NHNSW_202244N. 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/.
RBGV_202244VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
Sjostrom_200644A. 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_244Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Draper_202333J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
SAH_202233S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
WAH_2023_223Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Crowley_200722G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
NHNSW_2014_222Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Nano_201122C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Munroe_201911S. E. M. Munroe, F. A. McInerney, J. Andrae, N. Welti, G. R. Guerin, E. Leitch, T. Hall, S. Szarvas, R. Atkins, S. Caddy-Retalic, and B. Sparrow. “The Photosynthetic Pathways of Plant Species Surveyed in Australia's National Terrestrial Monitoring Network”. Scientific Data 8 (2021), p. 97. doi: 10.1038/s41597-021-00877-z.
RBGK_201411Royal Botanic Gardens Kew. Seed Information Database (SID). 2014. url: http://data.kew.org/sid/.
WAH_199811Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_202311E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.