Platysace stephensonii

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Family Apiaceae

Taxonomy: Platysace stephensonii (Turcz.) C.Norman

Synonyms: 3 (APC 2026-07-30)

Sibera stephensonii Moore (nomenclatural synonym)
Siebera stephensonii (Turcz.) Benth. (nomenclatural synonym)
Trachymene stephensonii Turcz. (nomenclatural synonym)

Distribution (APC): NSW

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

Traits

Top source datasets: Clarke_2015 (1), Hughes_1992 (4), Kubiak_2009 (2), Leishman_1993 (1), Leishman_1995 (7), NHNSW_2014_2 (9), NHNSW_2024 (14), NSWFRD_2014 (7), Sjostrom_2006 (3), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 30 traits from 51 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: Clarke_2015; Kubiak_2009; NSWFRD_2014]

flower morphology

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

fruit morphology

fruit_length (numerical): 1.85 mm (1.7-2 mm) [sources: NHNSW_2024]
fruit_width (numerical): 1.75 mm (1.5-2 mm) [sources: NHNSW_2024]
fruit_type (categorical): mericarp (2) [sources: NHNSW_2024; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_area (numerical): 180 mm2 (180-180 mm2) [sources: Leishman_1995]
leaf_length (numerical): 9.5 mm (2-20 mm) [sources: NHNSW_2014_2; NHNSW_2024]
leaf_width (numerical): 3.32 mm (0.3-7 mm) [sources: NHNSW_2014_2; NHNSW_2024]
leaf_mass_per_area (numerical): 93.28 g/m2 (93.28-93.28 g/m2) [sources: Leishman_1995]
leaf_type (categorical): broadleaf (1) [sources: NHNSW_2024]
leaf_shape (categorical): obovate (1) [sources: NHNSW_2024]
leaf_lobation (categorical): lobed_deep (1) [sources: NHNSW_2024]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2014_2]
leaf_arrangement (categorical): crowded (1) [sources: NHNSW_2024]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NHNSW_2024]

life history

plant_growth_form (categorical): shrub (2); subshrub (2) [sources: Hughes_1992; Leishman_1995; NSWFRD_2014; Wenk_2022]
life_history (categorical): perennial (1) [sources: Wenk_2023]
woodiness_detailed (categorical): woody (1) [sources: Wenk_2022]
dispersal_syndrome (categorical): myrmecochory (3) [sources: Hughes_1992; Leishman_1995; NSWFRD_2014]
dispersers (categorical): ants (1) [sources: NSWFRD_2014]
flowering_time (categorical): ynnnnnnnnnny (2); yyyyyyynnnny (1) [sources: Hughes_1992; NHNSW_2014_2; NSWFRD_2014]
bud_bank_location (categorical): basal_buds (1) [sources: NSWFRD_2014]

seed morphology

seed_dry_mass (numerical): 0.39 mg (0.37-0.4 mg) [sources: Leishman_1993; Leishman_1995]

whole plant morphology

plant_height (numerical): 0.43 m (0.3-0.5 m) [sources: Hughes_1992; Leishman_1995; NHNSW_2014_2]

Sources

dataset_id	n_traits	n_records	reference
NHNSW_2024	10	14	N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on December, 2023.. 2024. url: https://plantnet.rbgsyd.nsw.gov.au/.
NHNSW_2014_2	7	9	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Leishman_1995	7	7	M. R. Leishman, M. Westoby, and E. Jurado. “Correlates of seed size variation: A comparison among five temperate floras”. Journal of Ecology 83 (1995), pp. 517-529. doi: 10.2307/2261604.
NSWFRD_2014	7	7	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.
Hughes_1992	4	4	L. Hughes and B. Rice. “Unpublished data: Traits data for 643 species, Macquarie University”. 1992.
Sjostrom_2006	3	3	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.
Kubiak_2009	2	2	P. J. Kubiak. “Fire responses of bushland plants after the January 1994 wildfires in northern Sydney”. Cunninghamia 11.1 (2009), pp. 131-165.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Clarke_2015	1	1	P. J. Clarke, M. J. Lawes, B. P. Murphy, J. Russell-Smith, C. E. Nano, R. Bradstock, N. J. Enright, J. B. Fontaine, C. R. Gosper, I. Radford, J. J. Midgley, and R. M. Gunton. “A synthesis of postfire recovery traits of woody plants in Australian ecosystems”. Science of The Total Environment 534 (2015), pp. 31-42. doi: 10.1016/j.scitotenv.2015.04.002.
Leishman_1993	1	1	M. Leishman. “Unpublished data: Seed mass data for Sydney species, Macquarie University”. 1990.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.