Isotoma axillaris

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Family Campanulaceae

Taxonomy: Isotoma axillaris Lindl.

Synonyms: 8 (APC 2026-07-30)

Isotoma senecioides A.DC. (taxonomic synonym)
Isotoma senecioides var. subpinnatifida Hook. (taxonomic synonym)
Laurentia axillaris (Lindl.) E.Wimm. (nomenclatural synonym)
Lithotoma axillaris (Lindl.) E.B.Knox (nomenclatural synonym)
Lobelia aspleniifolia A.DC. (taxonomic synonym)
Lobelia fleuryana Gaudich. (taxonomic synonym)
Lobelia senecioides A.Cunn. ex Sims (taxonomic synonym)
Lobelia senecionis Spreng. (taxonomic synonym)

Distribution (APC): Qld, NSW, Vic

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

Traits

Top source datasets: Cheal_2017 (5), Draper_2023 (3), Farrell_2013 (123), Farrell_2017 (31), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (18), NSWFRD_2014 (4), RBGK_2014 (1), RBGV_2022 (2), RBGV_2023 (14), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 64 traits from 233 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); resprouts (1) [sources: NSWFRD_2014; White_2020]
post_fire_recruitment (categorical): post_fire_recruitment (1) [sources: Cheal_2017]

flower morphology

flower_colour (categorical): blue_purple (1); green (1); pink (1); white_cream (1); yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 12.75 mm (7-18 mm) [sources: NHNSW_2023; RBGV_2023]
fruit_type (categorical): capsule (3) [sources: NHNSW_2023; RBGV_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (2) [sources: NHNSW_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 75 mm (15-150 mm) [sources: NHNSW_2023; RBGV_2023]
leaf_width (numerical): 31.38 mm (0.5-60 mm) [sources: NHNSW_2023; RBGV_2023]
leaf_mass_per_area (numerical): 111.73 g/m2 (62.7-148.32 g/m2) [sources: Farrell_2013]
leaf_area_ratio (numerical): 2.33 mm2/mg (1.22-5.17 mm2/mg) [sources: Farrell_2013]
leaf_mass_fraction (numerical): 0.24 g/g (0.14-0.32 g/g) [sources: Farrell_2013]
leaf_shape (categorical): linear (1); obovate (2); ovate (2) [sources: NHNSW_2023; RBGV_2023]
leaf_margin (categorical): toothed (1) [sources: NHNSW_2023]
leaf_lobation (categorical): lobed (2) [sources: NHNSW_2023; RBGV_2023]
leaf_compoundness (categorical): simple (2) [sources: NHNSW_2023; RBGV_2023]
leaf_phyllotaxis (categorical): alternate (2) [sources: NHNSW_2023; RBGV_2023]
leaf_stomatal_density_abaxial (numerical): 15.05 {count}/mm2 (6.37-21.34 {count}/mm2) [sources: Farrell_2013]
leaf_stomatal_density_adaxial (numerical): 15.13 {count}/mm2 (5.41-22.29 {count}/mm2) [sources: Farrell_2013]
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 (5) [sources: NHNSW_2022; NSWFRD_2014; RBGV_2022; Wenk_2022; White_2020]
life_form (categorical): hemicryptophyte (1) [sources: Farrell_2013]
life_history (categorical): perennial (2) [sources: NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); erect (1) [sources: NHNSW_2022]
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): barochory (1); zoochory (1) [sources: Draper_2023; White_2020]
dispersers (categorical): invertebrates (1); passive (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): yyyyynnnyyyy (3) [sources: NHNSW_2014_2; NSWFRD_2014; White_2020]
seedbank_longevity_class (categorical): persistent (1); transient (1) [sources: Cheal_2017; White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]
bud_bank_location (categorical): basal_buds (1) [sources: NSWFRD_2014]

seed morphology

seed_dry_mass (numerical): 0.09 mg (0.09-0.09 mg) [sources: RBGK_2014]
seed_length (numerical): 0.85 mm (0.7-1 mm) [sources: RBGV_2023]
seed_shape (categorical): cylindrical (1) [sources: RBGV_2023]

stem morphology

stem_mass_fraction (numerical): 0.31 g/g (0.22-0.43 g/g) [sources: Farrell_2013]

whole plant morphology

plant_height (numerical): 0.5 m (0.5-0.5 m) [sources: NHNSW_2023]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
Farrell_2013	15	123	C. Farrell, C. Szota, N. S. G. Williams, and S. K. Arndt. “High water users can be drought tolerant: using physiological traits for green roof plant selection”. Plant and Soil 372.1-2 (2013), pp. 177-193. doi: 10.1007/s11104-013-1725-x.
Farrell_2017	6	31	C. Farrell, C. Szota, and S. K. Arndt. “Does the turgor loss point characterize drought response in dryland plants?”. Plant, Cell & Environment 40.8 (2017), pp. 1500-1511. doi: 10.1111/pce.12948.
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.
NHNSW_2023	14	18	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_2023	11	14	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
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.
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/.
NSWFRD_2014	4	4	B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
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	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
RBGV_2022	2	2	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.
RBGK_2014	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID). 2014. 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.