Isotoma fluviatilis

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Family Campanulaceae

Taxonomy: Isotoma fluviatilis (R.Br.) F.Muell. ex Benth.

Synonyms: 10 (APC 2026-07-30)

Enchysia gaudichaudii C.Presl (taxonomic synonym)
Enchysia lessonii C.Presl (taxonomic synonym)
Isotoma fluviatilis var. inundata (R.Br.) Benth. (taxonomic synonym)
Isotomia fluviatilis F.Muell. (orthographic variant)
Laurentia fluviatilis (R.Br.) E.Wimm. (nomenclatural synonym)
Laurentia gaudichaudii (C.Presl) A.DC. (taxonomic synonym)
Lobelia fluviatilis R.Br. (nomenclatural synonym)
Lobelia inundata R.Br. (taxonomic synonym)
Rapuntium fluviatile (R.Br.) C.Presl (nomenclatural synonym)
Rapuntium inundatum (R.Br.) C.Presl (taxonomic synonym)

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

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

Traits

Top source datasets: Britton_1994 (2), Cheal_2017 (5), Draper_2023 (3), Jordan_2001 (6), Kew_2019_1 (1), Mokany_2015 (2), NHNSW_2014_2 (3), NHNSW_2022 (4), NHNSW_2023 (17), Pickup_2021 (5), SAH_2022 (3), SAH_2023 (19), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 44 traits from 77 records in 15 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: Pickup_2021]
post_fire_recruitment (categorical): post_fire_recruitment (2) [sources: Cheal_2017; Pickup_2021]

flower morphology

flower_colour (categorical): blue_purple (1); white_cream (1); yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (1); monoecious (1); unknown (1) [sources: Jordan_2001; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 4.75 mm (3-6 mm) [sources: NHNSW_2023; SAH_2023]
fruit_width (numerical): 3 mm (3-3 mm) [sources: NHNSW_2023]
fruit_height (numerical): 3 mm (3-3 mm) [sources: NHNSW_2023]
fruit_type (categorical): capsule (3) [sources: NHNSW_2023; SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Jordan_2001; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (3) [sources: NHNSW_2023; SAH_2023; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 75.4 mm2 (75.4-75.4 mm2) [sources: Mokany_2015]
leaf_length (numerical): 9.25 mm (4-15 mm) [sources: NHNSW_2023; SAH_2023]
leaf_width (numerical): 5.75 mm (2-10 mm) [sources: NHNSW_2023; SAH_2023]
leaf_shape (categorical): elliptical (2); linear (1); oblanceolate (1); oblong (1); obovate (1); ovate (1); spathulate (1) [sources: NHNSW_2023; SAH_2023]
leaf_base_shape (categorical): cuneate (1) [sources: SAH_2023]
leaf_margin (categorical): entire (2); toothed (1); toothed_crenate (1) [sources: NHNSW_2023; SAH_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (2) [sources: NHNSW_2023; SAH_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; SAH_2023]

life history

plant_growth_form (categorical): herb (4) [sources: NHNSW_2022; Pickup_2021; SAH_2022; Wenk_2022]
life_history (categorical): perennial (3) [sources: Jordan_2001; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; SAH_2022; Wenk_2022]
stem_growth_habit (categorical): prostrate (2) [sources: NHNSW_2022; SAH_2022]
pollination_syndrome (categorical): insect (1) [sources: Draper_2023]
dispersal_syndrome (categorical): barochory (1) [sources: Draper_2023]
dispersers (categorical): passive (1) [sources: Draper_2023]
flowering_time (categorical): yynnnnnnnnyy (1) [sources: NHNSW_2014_2]
seedbank_location (categorical): none (1) [sources: Pickup_2021]
seedbank_longevity_class (categorical): transient (2) [sources: Cheal_2017; Pickup_2021]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: NHNSW_2014_2]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]

seed morphology

seed_dry_mass (numerical): 0.04 mg (0.04-0.04 mg) [sources: Kew_2019_1]
seed_length (numerical): 0.5 mm (0.5-0.5 mm) [sources: Jordan_2001; SAH_2023]
seed_width (numerical): 0.4 mm (0.3-0.5 mm) [sources: Jordan_2001; SAH_2023]
seed_shape (categorical): ellipsoid (1); orbicular (1) [sources: SAH_2023]

whole plant morphology

plant_height (numerical): 0.1 m (0.1-0.1 m) [sources: Mokany_2015]

Sources

dataset_id	n_traits	n_records	reference
SAH_2023	16	19	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_2023	14	17	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/.
Jordan_2001	6	6	G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
Cheal_2017	5	5	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.
Pickup_2021	5	5	M. Pickup and T. McDonald. Bushfire impacts — A national model for assessing local landscape restoration priorities. Project Phoenix Report. Greening Australia, 2021. url: https://www.greeningaustralia.org.au/wp-content/uploads/2021/07/1.02R2.pdf.
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/.
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.
NHNSW_2014_2	3	3	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
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/.
Britton_1994	1	2	D. L. Britton and M. A. Brock. “Seasonal germination from wetland seed banks”. Marine and Freshwater Research 45.8 (1994), pp. 1445-1457. doi: 10.1071/mf9941445.
Mokany_2015	2	2	K. Mokany, J. J. Thomson, A. J. J. Lynch, G. J. Jordan, and S. Ferrier. “Linking changes in community composition and function under climate change”. Ecological Applications 25.8 (2015), pp. 2132-2141. doi: 10.1890/14-2384.1.
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.