Cardamine microthrix

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Family Brassicaceae

Taxonomy: Cardamine microthrix I.Thomps.

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

Cardamine paucijuga Turcz. (pro parte misapplied)

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

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

Traits

Top source datasets: Draper_2023 (2), Kew_2019_1 (2), Kew_2019_6 (3), NHNSW_2022 (3), NHNSW_2023 (14), RBGV_2022 (3), RBGV_2023 (16), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 41 traits from 69 records in 11 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 (1) [sources: White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 25 mm (20-30 mm) [sources: NHNSW_2023; RBGV_2023]
fruit_width (numerical): 1 mm (1-1 mm) [sources: RBGV_2023]
fruit_type (categorical): silique (2) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (3) [sources: NHNSW_2023; RBGV_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 35 mm (20-50 mm) [sources: NHNSW_2023; RBGV_2023]
leaf_shape (categorical): widely_ovate (2) [sources: NHNSW_2023; RBGV_2023]
leaf_base_shape (categorical): cordate (2) [sources: NHNSW_2023; RBGV_2023]
leaf_lobation (categorical): lobed (2) [sources: NHNSW_2023; RBGV_2023]
leaf_compoundness (categorical): compound (2); simple (1) [sources: NHNSW_2023; RBGV_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): herb (4) [sources: NHNSW_2022; RBGV_2022; Wenk_2022; White_2020]
life_history (categorical): annual (3) [sources: NHNSW_2022; RBGV_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): rosette (1) [sources: NHNSW_2023]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): ballistic (1); zoochory (1) [sources: Draper_2023; White_2020]
dispersers (categorical): invertebrates (1) [sources: White_2020]
flowering_time (categorical): yyyyyyyyyyyy (1) [sources: White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]

seed morphology

seed_dry_mass (numerical): 0.16 mg (0.15-0.18 mg) [sources: Kew_2019_1]
seed_length (numerical): 1.2 mm (1.2-1.2 mm) [sources: RBGV_2023]
seed_shape (categorical): ellipsoid (1) [sources: RBGV_2023]

whole plant morphology

plant_height (numerical): 0.3 m (0.3-0.3 m) [sources: NHNSW_2023; RBGV_2023]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	19	19	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
RBGV_2023	14	16	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
NHNSW_2023	12	14	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/.
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.
Kew_2019_6	1	3	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
NHNSW_2022	3	3	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/.
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/.
Draper_2023	2	2	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.
Kew_2019_1	1	2	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.