Pterostylis obtusa

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Family Orchidaceae

Taxonomy: Pterostylis obtusa R.Br.

Synonyms: 2 (APC 2026-07-30)

Diplodium obtusum (R.Br.) D.L.Jones & M.A.Clem. (nomenclatural synonym)
Pterostylis sp. aff. alveata (New England Escarpments) (taxonomic synonym)

Distribution (APC): Qld, NSW, LHI

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

Traits

Top source datasets: ABRS_2023 (8), Hughes_1992 (3), NHNSW_2014_2 (4), NHNSW_2022 (4), NHNSW_2023 (10), SAH_2022 (3), SAH_2023 (7), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 19 traits from 42 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.

flower morphology

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

fruit morphology

fruit_type (categorical): capsule (2) [sources: NHNSW_2023; SAH_2023]

leaf morphology

leaf_length (numerical): 19.25 mm (12-25 mm) [sources: ABRS_2023; NHNSW_2023]
leaf_width (numerical): 12.5 mm (10-15 mm) [sources: ABRS_2023; NHNSW_2023]
leaf_shape (categorical): lanceolate (1); oblong (1); ovate (2) [sources: ABRS_2023; NHNSW_2023; SAH_2023]
leaf_margin (categorical): entire (2) [sources: NHNSW_2014_2; SAH_2023]
leaf_margin_posture (categorical): undulate (1) [sources: ABRS_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; SAH_2023]

life history

plant_growth_form (categorical): herb (4) [sources: Hughes_1992; NHNSW_2022; SAH_2022; Wenk_2022]
life_history (categorical): perennial (2) [sources: NHNSW_2022; Wenk_2023]
plant_growth_substrate (categorical): terrestrial (2) [sources: NHNSW_2022; SAH_2022]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; SAH_2022; Wenk_2022]
stem_growth_habit (categorical): rosette (2) [sources: ABRS_2023; NHNSW_2023]
flowering_time (categorical): nyyyyynnnnnn (2) [sources: Hughes_1992; NHNSW_2014_2]
storage_organ (categorical): stem_tuber (1) [sources: SAH_2023]

whole plant morphology

plant_height (numerical): 0.22 m (0.12-0.25 m) [sources: Hughes_1992; SAH_2023]

Sources

dataset_id	n_traits	n_records	reference
NHNSW_2023	8	10	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/.
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.
SAH_2023	6	7	S. 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_2014_2	4	4	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.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/.
Hughes_1992	3	3	L. Hughes and B. Rice. “Unpublished data: Traits data for 643 species, Macquarie University”. 1992.
SAH_2022	3	3	S. 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/.
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.