Trachymene composita

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Family Araliaceae

Taxonomy: Trachymene composita (Domin) B.L.Burtt

Synonyms: 7 (APC 2026-07-30)

Didiscus compositus Domin (nomenclatural synonym)
Didiscus macrocephyllus Domin (taxonomic synonym)
Didiscus macrophyllus Domin (taxonomic synonym)
Didiscus pilosus Hook.f. (taxonomic synonym)
Trachymene australis Benth. (pro parte taxonomic synonym)
Trachymene macrophylla (Domin) B.L.Burtt (taxonomic synonym)
Trachymene sp. (taxonomic synonym)

Misapplied names: 1 (APC 2026-07-30)

Trachymene anisocarpa (Turcz.) B.L.Burtt (misapplied)

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

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

Traits

Top source datasets: Draper_2023 (3), Kew_2019_1 (1), NHNSW_2024 (11), NSWFRD_2014 (3), RBGV_2022 (4), RBGV_2023 (16), Sjostrom_2006 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19), Williams_2011 (10). See below for a full list of sources.
Summary: AusTraits contains 44 traits from 73 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): fire_killed (2) [sources: NSWFRD_2014; White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 3.06 mm (1-5 mm) [sources: NHNSW_2024; RBGV_2023]
fruit_width (numerical): 2.78 mm (2-4 mm) [sources: NHNSW_2024; RBGV_2023]
fruit_type (categorical): mericarp (3) [sources: NHNSW_2024; RBGV_2023; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
fruit_colour (categorical): brown (1) [sources: NHNSW_2024]

leaf morphology

leaf_width (numerical): 85 mm (20-150 mm) [sources: RBGV_2023]
petiole_length (numerical): 17.5 cm (15-20 cm) [sources: NHNSW_2024; RBGV_2023]
leaf_shape (categorical): oblong (1) [sources: RBGV_2023]
leaf_base_shape (categorical): sheathing (1) [sources: RBGV_2023]
leaf_margin (categorical): entire (1); toothed (1) [sources: RBGV_2023]
leaf_lobation (categorical): lobed (1); unlobed (1) [sources: RBGV_2023]
leaf_arrangement (categorical): crowded (1) [sources: RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: White_2020; Williams_2011]
plant_growth_form (categorical): herb (5) [sources: NSWFRD_2014; RBGV_2022; Wenk_2022; White_2020; Williams_2011]
life_form (categorical): therophyte (1) [sources: Williams_2011]
life_history (categorical): annual (2); biennial (2) [sources: RBGV_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): erect (1) [sources: RBGV_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020; Williams_2011]
root_structure (categorical): arbuscular_mycorrhizal (1) [sources: Williams_2011]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: Draper_2023; White_2020]
pollination_system (categorical): biotic_unspecialised (1) [sources: Williams_2011]
dispersal_syndrome (categorical): barochory (1); zoochory (2) [sources: Draper_2023; White_2020; Williams_2011]
dispersers (categorical): abiotic (1); animals (1); invertebrates (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): ynnnnnnnyyyy (1); yyyynnyyyyyy (1) [sources: NSWFRD_2014; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
clonal_spread_mechanism (categorical): non_clonal (1) [sources: Williams_2011]

seed morphology

seed_dry_mass (numerical): 1.37 mg (1.37-1.37 mg) [sources: Kew_2019_1]

whole plant morphology

plant_height (numerical): 2.5 m (2.5-2.5 m) [sources: NHNSW_2024; RBGV_2023]
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.
RBGV_2023	13	16	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
NHNSW_2024	7	11	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/.
Williams_2011	10	10	R. P. Duncan, S. E. Clemants, R. T. Corlett, A. K. Hahs, M. A. McCarthy, M. J. McDonnell, M. W. Schwartz, K. Thompson, P. A. Vesk, and N. S. G. Williams. “Plant traits and extinction in urban areas: a meta-analysis of 11 cities”. Global Ecology and Biogeography 20.4 (2011), pp. 509-519. doi: 10.1111/j.1466-8238.2010.00633.x.
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/.
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.
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.
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.
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.