AusTraits

Gahnia decomposita

Explore the data for this taxon in the portal

Family Cyperaceae

Taxonomy: Gahnia decomposita (R.Br.) Benth.

Synonyms: 4 (APC 2026-07-30)
  • Cladium decompositum R.Br. (nomenclatural synonym)
  • Cladium preissii (Nees) F.Muell. (taxonomic synonym)
  • Cladium preissii (Nees) F.Muell. var. preissii (taxonomic synonym)
  • Gahnia preissii Nees (taxonomic synonym)

Distribution (APC): WA

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

Traits

Top source datasets: Barrett_2009 (3), Burrows_2008_2 (3), Burrows_2020 (3), Sjostrom_2006 (4), Standish_2019 (7), WAH_1998 (1), WAH_2022_2 (4), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), Wheeler_2002 (10). See below for a full list of sources.
Summary: AusTraits contains 22 traits from 40 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): resprouts (4) [sources: Barrett_2009; Burrows_2008_2; Burrows_2020; Standish_2019]
flower morphology
  • sex_type (categorical): andromonoecious (1) [sources: Sjostrom_2006]
fruit morphology
leaf morphology
  • leaf_length (numerical): 1550 mm (600-2500 mm) [sources: Wheeler_2002]
  • leaf_width (numerical): 10.5 mm (1-20 mm) [sources: Wheeler_2002]
  • leaf_shape (categorical): linear (1) [sources: Wheeler_2002]
  • leaf_lobation (categorical): unlobed (1) [sources: Wheeler_2002]
  • leaf_compoundness (categorical): simple (1) [sources: Wheeler_2002]
life history
  • plant_growth_form (categorical): graminoid (3); herb (2); tussock (1) [sources: Barrett_2009; Standish_2019; WAH_2022_2; Wenk_2022; Wheeler_2002]
  • life_history (categorical): perennial (6) [sources: Burrows_2008_2; Burrows_2020; Standish_2019; WAH_2022_2; Wenk_2023; Wheeler_2002]
  • woodiness_detailed (categorical): herbaceous (2) [sources: WAH_2022_2; Wenk_2022]
  • stem_growth_habit (categorical): rhizomatous (1) [sources: WAH_2022_2]
  • nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: Standish_2019]
  • root_structure (categorical): proteoid_root (1) [sources: Standish_2019]
  • flowering_time (categorical): nnnnnnnnyyyn (1) [sources: WAH_1998]
  • seedbank_location (categorical): soil_seedbank (1) [sources: Standish_2019]
  • storage_organ (categorical): rhizome (1) [sources: WAH_2023_2]
  • bud_bank_location (categorical): basal_buds (3) [sources: Barrett_2009; Burrows_2008_2; Burrows_2020]
seed morphology
  • seed_dry_mass (numerical): 0.4 mg (0.4-0.4 mg) [sources: Standish_2019]
whole plant morphology
  • plant_height (numerical): 3 m (3-3 m) [sources: WAH_2023_2; Wheeler_2002]

Sources

dataset_idn_traitsn_recordsreference
Wheeler_2002810J. R. Wheeler, N. G. Marchant, and M. Lewington. Flora of the south west: Bunbury, Augusta, Denmark. Australian Biological Resources Study ; University of Western Australia Press, 2002. ISBN: 9780642568168.
Standish_201977R. Standish. “Unpublished data: Jarrah forest, Murdoch University”. 2019.
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/.
Barrett_200933S. Barrett, S. Comer, N. McQuoid, M. Porter, C. Tiller, and D. Utber. Identification and Conservation of Fire Sensitive Ecosystems and Species of the South Coast Natural Resource Management Region.. government. Department of Conservation and Land Management, South Coast Region, Western Australia, 2009.
Burrows_2008_233N. D. Burrows, G. Wardell-Johnson, and B. Ward. “Post-fire juvenile period of plants in south-west Australia forests and implications for fire management”. Journal of the Royal Society of Western Australia 91 (2008), pp. 163-174. ISSN: 0035922X. url: http://hdl.handle.net/20.500.11937/19156 (visited on 03/27/2025).
Burrows_202033N. Burrows. Data from 'Plant Ecological Attributes' theme, NatureMap, DBCA, WA. 2020.
WAH_2023_222Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
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.