Pterostylis revoluta

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Family Orchidaceae

Taxonomy: Pterostylis revoluta R.Br.

Synonyms: 4 (APC 2026-07-30)

Arethusa tetrapetala Diment, Humphries, Newington & Shaugnessy (taxonomic synonym)
Arethusa tetrapetala M.A.Clem. (taxonomic synonym)
Diplodium revolutum (R.Br.) D.L.Jones & M.A.Clem. (nomenclatural synonym)
Pterostylis speciosa T.E.Hunt (taxonomic synonym)

Misapplied names: 1 (APC 2026-07-30)

Diplodium reflexum (R.Br.) D.L.Jones & M.A.Clem. (misapplied)

Distribution (APC): Qld, NSW, ACT

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

Traits

Top source datasets: ABRS_2023 (8), NHNSW_2014_2 (3), NHNSW_2022 (4), NHNSW_2023 (11), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (21), Williams_2011 (10). See below for a full list of sources.
Summary: AusTraits contains 43 traits from 64 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 (1) [sources: White_2020]

flower morphology

flower_colour (categorical): green (1); red_brown (1); white_cream (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_type (categorical): capsule (2) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 17.75 mm (6-30 mm) [sources: ABRS_2023; NHNSW_2023]
leaf_width (numerical): 9 mm (4-16 mm) [sources: ABRS_2023; NHNSW_2023]
leaf_shape (categorical): ovate (2) [sources: ABRS_2023; NHNSW_2023]
leaf_margin (categorical): entire (2) [sources: ABRS_2023; NHNSW_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2023]
leaf_lamina_posture (categorical): convolute (1) [sources: NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2014_2]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; NHNSW_2023]

life history

photosynthetic_pathway (categorical): c3 (1); cam (1) [sources: White_2020; Williams_2011]
plant_growth_form (categorical): herb (4) [sources: NHNSW_2022; Wenk_2022; White_2020; Williams_2011]
life_form (categorical): geophyte (2) [sources: White_2020; Williams_2011]
life_history (categorical): perennial (2) [sources: NHNSW_2022; Wenk_2023]
plant_growth_substrate (categorical): terrestrial (1) [sources: NHNSW_2022]
woodiness_detailed (categorical): herbaceous (2) [sources: NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): rosette (2) [sources: ABRS_2023; NHNSW_2023]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020; Williams_2011]
root_structure (categorical): orchid_mycorrhizal (1) [sources: Williams_2011]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (1) [sources: White_2020]
dispersal_syndrome (categorical): anemochory (2) [sources: White_2020; Williams_2011]
dispersers (categorical): wind (1) [sources: White_2020]
flowering_time (categorical): nyyyynnnnnnn (1); nyyyyynnnnnn (1) [sources: NHNSW_2014_2; White_2020]
seedbank_longevity_class (categorical): transient (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: White_2020]
clonal_spread_mechanism (categorical): stem_tuber (1) [sources: Williams_2011]

seed morphology

seed_dry_mass (numerical): 0 mg (0-0 mg) [sources: Williams_2011]

whole plant morphology

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

Sources

dataset_id	n_traits	n_records	reference
White_2020	21	21	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
NHNSW_2023	9	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/.
Williams_2011	10	10	R. P. Duncan, S. E. Clemants, R. T. Corlett, A. K. Hahs, M. A. McCarthy, M. J. McDonnell, M. W. Schwartz, K. Thompson, P. A. Vesk, and N. S. G. Williams. “Plant traits and extinction in urban areas: a meta-analysis of 11 cities”. Global Ecology and Biogeography 20.4 (2011), pp. 509-519. doi: 10.1111/j.1466-8238.2010.00633.x.
ABRS_2023	6	8	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.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.
NHNSW_2014_2	3	3	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.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.