Isotoma petraea

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Family Campanulaceae

Taxonomy: Isotoma petraea F.Muell.

Synonyms: 2 (APC 2026-07-30)

Laurentia petraea (F.Muell.) E.Wimm. (nomenclatural synonym)
Lithotoma petraea (F.Muell.) E.B.Knox (nomenclatural synonym)

Distribution (APC): WA, NT, SA, Qld, NSW

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

Traits

Top source datasets: ANBG_2019 (4), Crowley_2007 (2), Draper_2023 (3), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (16), NTH_2023 (11), Nano_2011 (2), RBGK_2014 (1), SAH_2014 (4), SAH_2022 (3), SAH_2023 (13), Sjostrom_2006 (4), Sweedman_2006 (3), WAH_1998 (1), WAH_2022_2 (4), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19), Wright_2000 (1). See below for a full list of sources.
Summary: AusTraits contains 47 traits from 102 records in 21 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 (3) [sources: Crowley_2007; Nano_2011; White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 16.5 mm (10-22 mm) [sources: NHNSW_2023; SAH_2023]
fruit_type (categorical): capsule (3) [sources: NHNSW_2023; SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (4) [sources: NHNSW_2023; NTH_2023; SAH_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 51.67 mm (15-100 mm) [sources: NHNSW_2023; NTH_2023; SAH_2014]
leaf_width (numerical): 28.17 mm (5-55 mm) [sources: NHNSW_2023; NTH_2023; SAH_2014]
leaf_shape (categorical): elliptical (3); oblanceolate (2); obovate (1); ovate (1) [sources: NHNSW_2023; NTH_2023; SAH_2023]
leaf_margin (categorical): toothed (3) [sources: NHNSW_2023; NTH_2023; SAH_2023]
leaf_lobation (categorical): lobed (1) [sources: SAH_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (3) [sources: NHNSW_2023; NTH_2023; SAH_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: NHNSW_2023; NTH_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): herb (5) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
life_history (categorical): annual (1); perennial (4) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (4) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): dense (1); erect (1); spreading (1) [sources: NHNSW_2022; WAH_2022_2]
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): nnnnnyyyyyyy (1); nnnnynnnnnny (1); nyyyyyyyyyyn (1) [sources: NHNSW_2014_2; WAH_1998; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]
bud_bank_location (categorical): none (2) [sources: Crowley_2007; Nano_2011]

seed morphology

seed_dry_mass (numerical): 0.07 mg (0.07-0.07 mg) [sources: RBGK_2014]
seed_length (numerical): 0.73 mm (0.7-0.76 mm) [sources: ANBG_2019; SAH_2023]
seed_width (numerical): 0.49 mm (0.49-0.49 mm) [sources: ANBG_2019]
seed_shape (categorical): cylindrical (3) [sources: ANBG_2019; NTH_2023; SAH_2023]

whole plant morphology

plant_height (numerical): 0.4 m (0.2-0.6 m) [sources: NHNSW_2023; WAH_2023_2]
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.
NHNSW_2023	13	16	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/.
SAH_2023	12	13	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/.
NTH_2023	9	11	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
ANBG_2019	4	4	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
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/.
SAH_2014	2	4	J. P. Jessop and H. R. Toelken. Flora of South Australia, 4th edition, 4 vols. Electronic version curated by J. Kellermann, State Herbarium of South Australia.. Government Printer, Adelaide, 1986.
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.
WAH_2022_2	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
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.
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/.
Sweedman_2006	1	3	L. Sweedman and D. Merritt. Australian Seeds: A Guide to Their Collection, Identification, and Biology. CSIRO Publishing, 2006. ISBN: 9780643094079.
Crowley_2007	2	2	G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Nano_2011	2	2	C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
WAH_2023_2	1	2	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.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/.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.
Wright_2000	1	1	I. J. Wright, H. T. Clifford, R. Kidson, M. L. Reed, B. L. Rice, and M. Westoby. “A survey of seed and seedling characters in 1744 Australian dicotyledon species: Cross-species trait correlations and correlated trait-shifts within evolutionary lineages”. Biological Journal of the Linnean Society 69 (2000), pp. 521-547. doi: 10.1111/j.1095-8312.2000.tb01222.x.