Triodia rigidissima

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Family Poaceae

Taxonomy: Triodia rigidissima (Pilg.) Lazarides

Synonyms: 2 (APC 2026-07-30)

Plectrachne rigidissima (Pilg.) C.E.Hubb. (nomenclatural synonym)
Triraphis rigidissima Pilg. (nomenclatural synonym)

Distribution (APC): WA

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (9), GrassBase_2014 (6), Munroe_2019 (1), NHNSW_2014 (1), Osborne_2014 (1), Shedley_2007 (8), Sjostrom_2006 (4), Sweedman_2006 (3), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 21 traits from 47 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 (2) [sources: Shedley_2007]
post_fire_recruitment (categorical): post_fire_recruitment (2) [sources: Shedley_2007]

flower morphology

sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_type (categorical): caryopsis (3) [sources: ABRS_2023; Sjostrom_2006; WAH_2023_2]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 50 mm (20-80 mm) [sources: ABRS_2023; GrassBase_2014]
leaf_width (numerical): 2 mm (2-2 mm) [sources: GrassBase_2014]
leaf_lamina_posture (categorical): conduplicate (1) [sources: ABRS_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

photosynthetic_pathway (categorical): c4 (2) [sources: Munroe_2019; Osborne_2014]
plant_growth_form (categorical): graminoid (2); herb (1); hummock (2); shrub (2); tussock (1) [sources: ABRS_2022; Shedley_2007; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): caespitose (1); dense (1); rhizomatous (1) [sources: ABRS_2022; WAH_2022_2]
flowering_time (categorical): ynnnnnnnyyyy (1) [sources: NHNSW_2014]
seedbank_location (categorical): soil_seedbank (2) [sources: Shedley_2007]
storage_organ (categorical): rhizome (1) [sources: ABRS_2023]

whole plant morphology

plant_height (numerical): 0.45 m (0.2-0.7 m) [sources: ABRS_2023; GrassBase_2014; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	7	9	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Shedley_2007	4	8	E. F. Shedley. Fire and Biodiversity Guidelines for the Avon Basin: Consultant Report to the Avon Catchment Council and the Department of Environment and Conservation, August 2007. Tech. rep. Department of Environment and Conservation, Western Australia, 2007.
GrassBase_2014	3	6	W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
ABRS_2022	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.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.
WAH_2022_2	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Sweedman_2006	1	3	L. Sweedman and D. Merritt. Australian Seeds: A Guide to Their Collection, Identification, and Biology. CSIRO Publishing, 2006. ISBN: 9780643094079.
WAH_2023_2	2	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Munroe_2019	1	1	S. 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.
NHNSW_2014	1	1	Royal Botanic Gardens Sydney. PLantNET. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/search/simple.htm.
Osborne_2014	1	1	C. Osborne, A. Salomaa, T. Kluyver, V. Visser, E. Kellogg, O. Morrone, M. Vorontsova, W. Clayton, and D. Simpson. “A global database of C4 photosynthesis in grasses”. New Phytologist 204 (2014), pp. 441-446. doi: 10.1111/nph.12942.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.