Isotoma tridens

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Family Campanulaceae

Taxonomy: Isotoma tridens (E.Wimm.) Lammers

Synonyms: 1 (APC 2026-07-30)

Hypsela tridens E.Wimm. (basionym)

Distribution (APC): NSW, Vic

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

Traits

Top source datasets: Kew_2019_1 (1), NHNSW_2022 (3), NHNSW_2023 (19), RBGV_2022 (4), RBGV_2023 (21), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (38). See below for a full list of sources.
Summary: AusTraits contains 42 traits from 93 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 (2) [sources: White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 2.25 mm (1.5-3 mm) [sources: NHNSW_2023; RBGV_2023]
fruit_width (numerical): 2.25 mm (1.5-3 mm) [sources: NHNSW_2023; RBGV_2023]
fruit_height (numerical): 2.25 mm (1.5-3 mm) [sources: NHNSW_2023; RBGV_2023]
fruit_type (categorical): capsule (2) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (2) [sources: NHNSW_2023; RBGV_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 4.7 mm (1.3-8 mm) [sources: NHNSW_2023; RBGV_2023]
leaf_width (numerical): 1.75 mm (0.5-3 mm) [sources: NHNSW_2023; RBGV_2023]
petiole_length (numerical): 0.03 cm (0-0.06 cm) [sources: RBGV_2023]
leaf_shape (categorical): elliptical (2); oblong (2) [sources: NHNSW_2023; RBGV_2023]
leaf_margin (categorical): entire (2); toothed (2) [sources: NHNSW_2023; RBGV_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (2) [sources: NHNSW_2023; RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: White_2020]
plant_growth_form (categorical): herb (5) [sources: NHNSW_2022; RBGV_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (2) [sources: RBGV_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): mat-forming (2); prostrate (3) [sources: NHNSW_2022; RBGV_2022; White_2020]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020]
parasitic (categorical): not_parasitic (2) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: White_2020]
dispersal_syndrome (categorical): epizoochory (2) [sources: White_2020]
dispersers (categorical): birds (2) [sources: White_2020]
flowering_time (categorical): yyyyynnnnnyy (2) [sources: White_2020]
seedbank_longevity_class (categorical): persistent (2) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (2) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]

seed morphology

seed_dry_mass (numerical): 0.01 mg (0.01-0.01 mg) [sources: Kew_2019_1]
seed_length (numerical): 0.35 mm (0.3-0.4 mm) [sources: RBGV_2023]
seed_shape (categorical): ellipsoid (1); polyhedral (1) [sources: RBGV_2023]

whole plant morphology

plant_physical_defence_structures (categorical): absent (2) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	19	38	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
RBGV_2023	14	21	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
NHNSW_2023	14	19	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_2022	4	4	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. 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.
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/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_1	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.