Microtis arenaria

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Family Orchidaceae

Taxonomy: Microtis arenaria Lindl.

Synonyms: 2 (APC 2026-07-30)

Microtis biloba Nicholls (taxonomic synonym)
Microtis pulchella var. vivax Lindl. (taxonomic synonym)

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

Microtis unifolia (G.Forst.) Rchb.f. (pro parte misapplied)

Distribution (APC): SA, NSW, Vic, Tas

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

Traits

Top source datasets: ABRS_2022 (8), ABRS_2023 (10), Cheal_2017 (1), Draper_2023 (3), RBGV_2022 (3), RBGV_2023 (7), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (21), Williams_2011 (11), Yang_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 42 traits from 72 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 (1) [sources: White_2020]
post_fire_recruitment (categorical): post_fire_recruitment (1) [sources: Yang_2023]

flower morphology

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

fruit morphology

fruit_type (categorical): capsule (2) [sources: 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): 375 mm (150-800 mm) [sources: ABRS_2023; RBGV_2023]
leaf_width (numerical): 4 mm (3-5 mm) [sources: ABRS_2023]
leaf_shape (categorical): terete (1) [sources: RBGV_2023]
leaf_margin (categorical): entire (1) [sources: RBGV_2023]
leaf_compoundness (categorical): simple (2) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: ABRS_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (1); cam (1) [sources: White_2020; Williams_2011]
plant_growth_form (categorical): herb (6) [sources: ABRS_2022; RBGV_2022; Wenk_2022; White_2020; Williams_2011]
life_form (categorical): geophyte (3) [sources: Cheal_2017; White_2020; Williams_2011]
life_history (categorical): perennial (3) [sources: ABRS_2022; Wenk_2023]
plant_growth_substrate (categorical): terrestrial (3) [sources: ABRS_2022; RBGV_2022]
woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; RBGV_2022; Wenk_2022]
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 (2) [sources: Draper_2023; White_2020]
pollination_system (categorical): biotic_unspecialised (1) [sources: Williams_2011]
dispersal_syndrome (categorical): anemochory (3) [sources: Draper_2023; White_2020; Williams_2011]
dispersers (categorical): wind (2) [sources: Draper_2023; White_2020]
flowering_time (categorical): nnnnnnnnyyyn (1) [sources: 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]
storage_organ (categorical): stem_tuber (3) [sources: ABRS_2023; RBGV_2023]

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.
Williams_2011	11	11	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	5	10	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
ABRS_2022	4	8	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
RBGV_2023	6	7	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.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.
Draper_2023	3	3	J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
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.
Yang_2023	1	1	S. Yang. “Unpublished data: Fire response traits scored from national and state floras and the taxonomic literature, University of New South Wales”. 2023.