Syzygium johnsonii

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Family Myrtaceae

Taxonomy: Syzygium johnsonii (F.Muell.) B.Hyland

Synonyms: 3 (APC 2026-07-30)

Eugenia johnsoni F.Muell. (nomenclatural synonym)
Eugenia johnsonii F.Muell. (nomenclatural synonym)
Eugenia petriei C.T.White & W.D.Francis (taxonomic synonym)

Distribution (APC): Qld

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

Traits

Top source datasets: Bloomfield_2018 (75), Butler_2004 (5), Cooper_2013 (14), Gross_2005 (4), Ilic_2000 (3), Kanowski_2000 (22), Kooyman_2011 (14), Rumman_2018 (4), Sjostrom_2006 (4), Togashi_2015 (1), Wells_2012 (140), Wenk_2022 (2), Wenk_2023 (1), Wills_2018 (30). See below for a full list of sources.
Summary: AusTraits contains 81 traits from 319 records in 14 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

flower morphology

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

fruit morphology

fruit_length (numerical): 20 mm (20-20 mm) [sources: Cooper_2013]
fruit_width (numerical): 15 mm (15-15 mm) [sources: Cooper_2013]
fruit_type (categorical): berry (1); drupe (2) [sources: Cooper_2013; Gross_2005; Sjostrom_2006]
fruit_fleshiness (categorical): fleshy (4) [sources: Cooper_2013; Gross_2005; Sjostrom_2006; Wells_2012]
fruit_dehiscence (categorical): indehiscent (3) [sources: Cooper_2013; Gross_2005; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 1991.57 mm2 (1341.41-3269.26 mm2) [sources: Kanowski_2000; Wells_2012]
leaf_length (numerical): 77.5 mm (35-120 mm) [sources: Kooyman_2011]
leaf_width (numerical): 42.5 mm (15-70 mm) [sources: Kooyman_2011]
leaf_dry_mass (numerical): 221.16 mg (67.43-332.03 mg) [sources: Wells_2012]
leaf_mass_per_area (numerical): 121.95 g/m2 (50.27-146.62 g/m2) [sources: Bloomfield_2018; Kanowski_2000; Wells_2012; Wills_2018]
leaf_dry_matter_content (numerical): 0.33 g/g (0.21-0.38 g/g) [sources: Bloomfield_2018; Wells_2012]
leaf_type (categorical): broadleaf (1) [sources: Rumman_2018]
leaf_lobation (categorical): unlobed (1) [sources: Kooyman_2011]
leaf_compoundness (categorical): simple (1) [sources: Kooyman_2011]

life history

plant_growth_form (categorical): tree (6) [sources: Butler_2004; Cooper_2013; Kooyman_2011; Rumman_2018; Wells_2012; 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]
pollination_syndrome (categorical): beetle (1) [sources: Wells_2012]
dispersal_syndrome (categorical): endozoochory (1) [sources: Butler_2004]
dispersers (categorical): birds (2); cassowaries (1); vertebrates (1) [sources: Butler_2004; Cooper_2013; Wells_2012]
flowering_time (categorical): nnnyyyynnnnn (1) [sources: Cooper_2013]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 10.85 mg/g (9.34-14.07 mg/g) [sources: Bloomfield_2018; Kanowski_2000; Wills_2018]
leaf_P_per_dry_mass (numerical): 0.68 mg/g (0.36-1.18 mg/g) [sources: Bloomfield_2018; Kanowski_2000; Wills_2018]
leaf_delta13C (numerical): -32.86 {delta}[ppth] (-32.86--32.86 {delta}[ppth]) [sources: Rumman_2018]

physiology

leaf_photosynthetic_rate_per_area_maximum (numerical): 7 umol{CO2}/m2/s (6.27-7.5 umol{CO2}/m2/s) [sources: Bloomfield_2018]
leaf_photosynthetic_rate_per_dry_mass_maximum (numerical): 0.06 umol{CO2}/g/s (0.06-0.07 umol{CO2}/g/s) [sources: Bloomfield_2018]
leaf_stomatal_conductance_per_area_at_Amax (numerical): 24.53 mmol{H2O}/m2/s (15.3-30.9 mmol{H2O}/m2/s) [sources: Bloomfield_2018]

seed morphology

seed_length (numerical): 10 mm (10-10 mm) [sources: Cooper_2013; Kooyman_2011]
seed_width (numerical): 6 mm (5-7 mm) [sources: Butler_2004; Kooyman_2011]

stem morphology

wood_density (numerical): 0.65 mg/mm3 (0.49-0.73 mg/mm3) [sources: Ilic_2000; Kooyman_2011; Wells_2012]
huber_value (numerical): 0 mm2{sapwood}/mm2{leaf} (0-0 mm2{sapwood}/mm2{leaf}) [sources: Togashi_2015]

whole plant morphology

plant_height (numerical): 25 m (25-25 m) [sources: Cooper_2013; Kooyman_2011]

Sources

dataset_id	n_traits	n_records	reference
Wells_2012	22	140	J. A. Wells. “Phylogeny and inter-relations of ecological traits and seed dispersal in rainforest plants: Exploring aspects of functional diversity in primary and secondary rainforests in Australia's Wet Tropics.”. PhD. University of Queensland, 2012.
Bloomfield_2018	24	75	K. J. Bloomfield, L. A. Cernusak, D. Eamus, D. S. Ellsworth, I. C. Prentice, I. J. Wright, M. M. Boer, M. G. Bradford, P. Cale, J. Cleverly, J. J. G. Egerton, B. J. Evans, L. S. Hayes, M. F. Hutchinson, M. J. Liddell, C. Macfarlane, W. S. Meyer, S. M. Prober, H. F. Togashi, T. Wardlaw, L. Zhu, and O. K. Atkin. “A continental-scale assessment of variability in leaf traits: Within species, across sites and between seasons”. Functional Ecology 32.6 (2018), pp. 1492-1506. doi: 10.1111/1365-2435.13097.
Wills_2018	15	30	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.
Kanowski_2000	22	22	J. Kanowski. “Ecological determinants of the distribution and abundance of the folivorous marsupials endemic to the rainforests of the Atherton uplands, north Queensland.”. PhD. James Cook University, Townsville, 1999.
Cooper_2013	11	14	W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
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.
Butler_2004	5	5	D. W. Butler, R. J. Green, D. Lamb, W. J. F. Mcdonald, and P. I. Forster. “Biogeography of seed-dispersal syndromes, life-forms and seed sizes among woody rain-forest plants in Australia's subtropics”. Journal of Biogeography 34.10 (2007), pp. 1736-1750. ISSN: 1365-2699. doi: 10.1111/j.1365-2699.2007.01734.x.
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.
Rumman_2018	4	4	R. Rumman, O. K. Atkin, K. J. Bloomfield, and D. Eamus. “Variation in bulk-leaf 13C discrimination, leaf traits and wateruse efficiency-trait relationships along a continental-scale climate gradient in Australia”. Global Change Biology 24 (2018), pp. 1186-1200. doi: 10.1111/gcb.13911.
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.
Ilic_2000	1	3	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_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Togashi_2015	1	1	H. F. Togashi, I. C. Prentice, B. J. Evans, D. I. Forrester, P. Drake, P. Feikema, K. Brooksbank, D. Eamus, and D. Taylor. “Morphological and moisture availability controls of the leaf area-to-sapwood area ratio: analysis of measurements on Australian trees”. Ecology and Evolution 5.6 (2015), pp. 1263-1270. doi: 10.1002/ece3.1344.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.