Croton triacros

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Family Euphorbiaceae

Taxonomy: Croton triacros F.Muell.

Synonyms: none listed in the APC 2026-07-30

Distribution (APC): Qld

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

Traits

Top source datasets: Cooper_2013 (13), Gross_2005 (4), Ilic_2000 (1), Kooyman_2011 (14), Sams_2017 (6), Sjostrom_2006 (4), Tng_2013 (6), Wenk_2022 (2), Wenk_2023 (1), Williams_2012 (3), Wills_2018 (45), Wright_2000 (1). See below for a full list of sources.
Summary: AusTraits contains 44 traits from 100 records in 12 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 (1) [sources: Williams_2012]
post_fire_recruitment (categorical): post_fire_recruitment_absent (1) [sources: Williams_2012]

flower morphology

sex_type (categorical): monoecious (2) [sources: Gross_2005; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 5.5 mm (4-7 mm) [sources: Cooper_2013]
fruit_width (numerical): 6.5 mm (5-8 mm) [sources: Cooper_2013]
fruit_type (categorical): capsule (4) [sources: Cooper_2013; Gross_2005; Sams_2017; Sjostrom_2006]
fruit_fleshiness (categorical): dry (4) [sources: Cooper_2013; Gross_2005; Sams_2017; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (4) [sources: Cooper_2013; Gross_2005; Sams_2017; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 4488 mm2 (4488-4488 mm2) [sources: Tng_2013]
leaf_length (numerical): 117.5 mm (50-185 mm) [sources: Kooyman_2011]
leaf_width (numerical): 52.5 mm (25-80 mm) [sources: Kooyman_2011]
leaf_mass_per_area (numerical): 90.59 g/m2 (73.77-108.79 g/m2) [sources: Sams_2017; Tng_2013; Wills_2018]
leaf_lobation (categorical): unlobed (1) [sources: Kooyman_2011]
leaf_compoundness (categorical): simple (1) [sources: Kooyman_2011]

life history

plant_growth_form (categorical): shrub (1); tree (2) [sources: Cooper_2013; Kooyman_2011; Wenk_2022]
life_history (categorical): perennial (1) [sources: Wenk_2023]
woodiness_detailed (categorical): woody (1) [sources: Wenk_2022]
leaf_phenology (categorical): evergreen (1) [sources: Kooyman_2011]
dispersers (categorical): flying_vertebrates (1) [sources: Sams_2017]
flowering_time (categorical): yyyyyyynnyyy (1) [sources: Cooper_2013]
bud_bank_location (categorical): basal_stem_buds (1) [sources: Williams_2012]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 25.79 mg/g (24.51-27.38 mg/g) [sources: Wills_2018]
leaf_P_per_dry_mass (numerical): 4 mg/g (2.79-4.78 mg/g) [sources: Wills_2018]
leaf_delta13C (numerical): -32.37 {delta}[ppth] (-32.37--32.37 {delta}[ppth]) [sources: Tng_2013]

seed morphology

seed_length (numerical): 4 mm (3-5 mm) [sources: Cooper_2013; Kooyman_2011]
seed_width (numerical): 2.5 mm (2-3 mm) [sources: Kooyman_2011]

stem morphology

wood_density (numerical): 0.53 mg/mm3 (0.5-0.57 mg/mm3) [sources: Ilic_2000; Kooyman_2011; Tng_2013]

whole plant morphology

plant_height (numerical): 8 m (8-8 m) [sources: Cooper_2013; Kooyman_2011]

Sources

dataset_id	n_traits	n_records	reference
Wills_2018	15	45	J. Wills, J. Herbohn, J. Hu, S. Sohel, J. Baynes, and J. Firn. “Tree leaf trade-offs are stronger for sub-canopy trees: leaf traits reveal little about growth rates in canopy trees”. Ecological Applications 28.4 (2018), pp. 1116-1125. doi: 10.1002/eap.1715.
Kooyman_2011	10	14	R. Kooyman, M. Rossetto, W. Cornwell, and M. Westoby. “Phylogenetic tests of community assembly across regional to continental scales in tropical and subtropical rain forests”. Global Ecology and Biogeography 20 (2011), pp. 707-716. doi: 10.1111/j.1466-8238.2010.00641.x.
Cooper_2013	10	13	W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
Sams_2017	6	6	M. A. Sams, H. R. Lai, S. P. Bonser, P. A. Vesk, R. M. Kooyman, D. J. Metcalfe, J. W. Morgan, and M. M. Mayfield. “Landscape context explains changes in the functional diversity of regenerating forests better than climate or species richness”. Global Ecology and Biogeography 26.10 (2017), pp. 1165-1176. doi: 10.1111/geb.12627.
Tng_2013	6	6	D. Y. P. Tng, G. J. Jordan, and D. M. J. S. Bowman. “Plant traits demonstrate that temperate and tropical giant Eucalypt forests are ecologically convergent with rainforest not savanna”. PLoS ONE 8 (2013), p. e84378. doi: 10.1371/journal.pone.0084378.
Gross_2005	4	4	C. L. Gross. “A comparison of the sexual systems in the trees from the Australian tropics with other tropical biomes-more monoecy but why?”. American Journal of Botany 92.6 (2005), pp. 907-919. doi: 10.3732/ajb.92.6.907.
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.
Williams_2012	3	3	P. R. Williams, M. Parsons, R. Jensen, and C. Tran. “Mechanisms of rainforest persistence and recruitment in frequently burnt wet tropical eucalypt forests”. Austral Ecology 37.2 (2012), pp. 268-275. ISSN: 1442-9993. doi: 10.1111/j.1442-9993.2011.02271.x.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Ilic_2000	1	1	J. Ilic, D. Boland, M. McDonald, D. G, and P. Blakemore. Woody density phase 1 - State of knowledge. National Carbon Accounting System. Technical Report 18. Tech. rep. Australian Greenhouse Office, Canberra, Australia, 2000.
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.