Senecio extensus

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Family Asteraceae

Taxonomy: Senecio extensus I.Thomps.

Synonyms: 2 (APC 2026-07-30)

Senecio sp. (Alps) (taxonomic synonym)
Senecio sp. 1 (taxonomic synonym)

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

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (11), Kew_2019_1 (1), NSWFRD_2014 (3), RBGV_2022 (4), RBGV_2023 (17), Sjostrom_2006 (4), Stephens_2021 (2), Wenk_2022 (2), Wenk_2023 (1), White_2020 (38). See below for a full list of sources.
Summary: AusTraits contains 40 traits from 86 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): resprouts (3) [sources: NSWFRD_2014; White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 2.1 mm (2-2.2 mm) [sources: ABRS_2023; RBGV_2023]
fruit_type (categorical): achene (3) [sources: ABRS_2023; RBGV_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (2) [sources: ABRS_2023; Sjostrom_2006]
fruit_colour (categorical): brown (2); red (2) [sources: ABRS_2023; RBGV_2023]

leaf morphology

leaf_length (numerical): 85 mm (50-120 mm) [sources: ABRS_2023; RBGV_2023]
leaf_width (numerical): 11.5 mm (5-18 mm) [sources: RBGV_2023]
leaf_shape (categorical): narrowly_elliptical (1); oblanceolate (1); spathulate (1) [sources: RBGV_2023]
leaf_base_shape (categorical): attenuate (1); auriculate (1); cuneate (1) [sources: RBGV_2023]
leaf_margin (categorical): toothed_dentate (2) [sources: ABRS_2023; RBGV_2023]
leaf_lobation (categorical): lobed (2); unlobed (1) [sources: ABRS_2023; RBGV_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: White_2020]
plant_growth_form (categorical): herb (6) [sources: ABRS_2022; NSWFRD_2014; RBGV_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (2) [sources: RBGV_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: ABRS_2022; RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); erect (2); rhizomatous (1) [sources: ABRS_2022; RBGV_2022]
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): anemochory (2) [sources: White_2020]
dispersers (categorical): wind (2) [sources: White_2020]
flowering_time (categorical): yyynnnnnnnnn (1); yyyyynnnnnnn (1) [sources: Stephens_2021]
seedbank_longevity_class (categorical): persistent (2); transient (1) [sources: NSWFRD_2014; White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (2) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: RBGV_2023]

seed morphology

seed_dry_mass (numerical): 0.19 mg (0.19-0.19 mg) [sources: Kew_2019_1]

whole plant morphology

plant_height (numerical): 0.45 m (0.2-0.6 m) [sources: ABRS_2023; RBGV_2023]
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	13	17	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
ABRS_2023	9	11	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.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.
ABRS_2022	3	3	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
NSWFRD_2014	3	3	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.
Stephens_2021	1	2	R. Stephens. “Unpublished data: Flowering time data from TERN plots, Macquarie University.”. 2021.
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.