Pterostylis laxa

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Family Orchidaceae

Taxonomy: Pterostylis laxa Blackmore

Synonyms: 1 (APC 2026-07-30)

Diplodium laxum (Blackmore) D.L.Jones & M.A.Clem. (nomenclatural synonym)

Distribution (APC): NSW, ACT, Vic

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

Traits

Top source datasets: ABRS_2023 (8), Cheal_2017 (1), NHNSW_2014_2 (3), NHNSW_2022 (4), NHNSW_2023 (11), NSWFRD_2014 (4), RBGV_2022 (3), RBGV_2023 (11), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (21). See below for a full list of sources.
Summary: AusTraits contains 41 traits from 73 records in 12 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 (2) [sources: NSWFRD_2014; 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 (3) [sources: NHNSW_2023; RBGV_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 19 mm (12-25 mm) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
leaf_width (numerical): 12.33 mm (8-16 mm) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
leaf_shape (categorical): ovate (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
leaf_margin (categorical): entire (3) [sources: ABRS_2023; NHNSW_2023; RBGV_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 (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): herb (5) [sources: NHNSW_2022; NSWFRD_2014; RBGV_2022; Wenk_2022; White_2020]
life_form (categorical): geophyte (2) [sources: Cheal_2017; White_2020]
life_history (categorical): perennial (2) [sources: NHNSW_2022; Wenk_2023]
plant_growth_substrate (categorical): terrestrial (2) [sources: NHNSW_2022; RBGV_2022]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): rosette (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (1) [sources: White_2020]
dispersal_syndrome (categorical): anemochory (1) [sources: White_2020]
dispersers (categorical): wind (1) [sources: White_2020]
flowering_time (categorical): nyyyyynnnnnn (1); yyyyyynnnnnn (2) [sources: NHNSW_2014_2; NSWFRD_2014; White_2020]
seedbank_longevity_class (categorical): transient (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
storage_organ (categorical): stem_tuber (1) [sources: RBGV_2023]
bud_bank_location (categorical): stem_tuber (1) [sources: NSWFRD_2014]

whole plant morphology

plant_height (numerical): 0.4 m (0.4-0.4 m) [sources: RBGV_2023]
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/.
RBGV_2023	9	11	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
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/.
NSWFRD_2014	4	4	B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
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/.
RBGV_2022	3	3	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Cheal_2017	1	1	D. Cheal. Growth stages and tolerable fire intervals for Victoria's native vegetation data sets. Fire and adaptive management, report no. 84. Victorian Government Department of Sustainability and Environment Melbourne, 2010.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.