AusTraits

Psydrax johnsonii

Explore the data for this taxon in the portal

Family Rubiaceae

Taxonomy: Psydrax johnsonii S.T.Reynolds & R.J.F.Hend.

Synonyms: 2 (APC 2026-07-30)
  • Canthium sp. (Berrigurra Station E.R.Anderson 2829) (taxonomic synonym)
  • Canthium sp. (Berrigurra Station) (taxonomic synonym)

Distribution (APC): Qld

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

Traits

Top source datasets: ATRP_2020 (1), Cooper_2013 (11), Kooyman_2011 (26), RadfordSmith_2024 (19), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 29 traits from 64 records in 7 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 (1) [sources: Sjostrom_2006]
fruit morphology
  • fruit_length (numerical): 4.5 mm (4-5 mm) [sources: Cooper_2013]
  • fruit_width (numerical): 4.5 mm (4-5 mm) [sources: Cooper_2013]
  • fruit_type (categorical): drupe (3) [sources: Cooper_2013; RadfordSmith_2024; Sjostrom_2006]
  • fruit_fleshiness (categorical): fleshy (2) [sources: Cooper_2013; Sjostrom_2006]
  • fruit_dehiscence (categorical): indehiscent (2) [sources: Cooper_2013; Sjostrom_2006]
leaf morphology
  • leaf_area (numerical): 1095.65 mm2 (1095.65-1095.65 mm2) [sources: RadfordSmith_2024]
  • leaf_length (numerical): 31.25 mm (10-50 mm) [sources: Kooyman_2011]
  • leaf_width (numerical): 11.75 mm (5-21 mm) [sources: Kooyman_2011]
  • leaf_dry_mass (numerical): 94.85 mg (94.85-94.85 mg) [sources: RadfordSmith_2024]
  • leaf_mass_per_area (numerical): 96.36 g/m2 (96.36-96.36 g/m2) [sources: RadfordSmith_2024]
  • leaf_dry_matter_content (numerical): 0.27 g/g (0.27-0.27 g/g) [sources: RadfordSmith_2024]
  • leaf_lobation (categorical): unlobed (2) [sources: Kooyman_2011]
  • leaf_compoundness (categorical): simple (2) [sources: Kooyman_2011]
life history
  • plant_growth_form (categorical): shrub (1); tree (4) [sources: ATRP_2020; 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 (3) [sources: Kooyman_2011; RadfordSmith_2024]
  • dispersal_syndrome (categorical): endozoochory (1) [sources: RadfordSmith_2024]
  • flowering_time (categorical): yynnnnnnnnyy (1) [sources: Cooper_2013]
seed morphology
  • seed_length (numerical): 2.5 mm (2-3 mm) [sources: Kooyman_2011]
  • seed_width (numerical): 2.5 mm (2-3 mm) [sources: Kooyman_2011]
whole plant morphology
  • plant_height (numerical): 6.67 m (6-8 m) [sources: Cooper_2013; Kooyman_2011]

Sources

dataset_idn_traitsn_recordsreference
Kooyman_2011926R. 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.
RadfordSmith_20241419J. Radford-Smith, H. R. Lai, E. C. Weeren, and J. M. Dwyer. “A Functional Basis for the Assembly of Australian Subtropical Rainforest Tree Communities”. Ecology Letters 27.11 (2024). ISSN: 1461-0248. doi: 10.1111/ele.70014.
Cooper_2013911W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
Sjostrom_200644A. 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_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
ATRP_202011F. A. Zich, B. P. Hyland, T. Whiffin, and R. A. Kerrigan. Australian Tropical Rainforest Plants, Edition 8. 2020. url: https://apps.lucidcentral.org/rainforest/text/intro/index.html.
Wenk_202311E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.