AusTraits

Brachychiton rupestris

Explore the data for this taxon in the portal

Family Malvaceae

Taxonomy: Brachychiton rupestris (T.Mitch. ex Lindl.) K.Schum.

Synonyms: 7 (APC 2026-07-30)
  • Brachychiton delabechei F.Muell. (nomenclatural synonym)
  • Brachychiton delabechii F.Muell. (nomenclatural synonym)
  • Brachychiton rupestre K.A.W.Williams (orthographic variant)
  • Clompanus rupestris (Lindl.) Kuntze (nomenclatural synonym)
  • Delabachea repestris Macarthur & C.Moore (nomenclatural synonym)
  • Delabechea rupestris T.Mitch. ex Lindl. (nomenclatural synonym)
  • Sterculia rupestris (T.Mitch. ex Lindl.) Benth. (nomenclatural synonym)

Distribution (APC): Qld

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

Traits

Top source datasets: ATRP_2020 (1), Butler_2004 (5), Clarke_2015 (3), Cooper_2013 (13), Kew_2019_1 (2), Kooyman_2011 (13), RadfordSmith_2024 (38), Reynolds_2018 (171), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (9). See below for a full list of sources.
Summary: AusTraits contains 48 traits from 262 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
flower morphology
  • sex_type (categorical): monoecious (1) [sources: Sjostrom_2006]
fruit morphology
  • fruit_length (numerical): 25 mm (15-35 mm) [sources: Cooper_2013]
  • fruit_width (numerical): 20 mm (15-25 mm) [sources: Cooper_2013]
  • fruit_type (categorical): capsule (1); follicle (3) [sources: Cooper_2013; RadfordSmith_2024; Sjostrom_2006; Wright_2000]
  • fruit_fleshiness (categorical): dry (3) [sources: Cooper_2013; Sjostrom_2006; Wright_2000]
  • fruit_dehiscence (categorical): dehiscent (3) [sources: Cooper_2013; Sjostrom_2006; Wright_2000]
leaf morphology
  • leaf_area (numerical): 832.32 mm2 (657.17-1006.11 mm2) [sources: RadfordSmith_2024]
  • leaf_length (numerical): 95 mm (60-130 mm) [sources: Kooyman_2011]
  • leaf_width (numerical): 45.5 mm (26-65 mm) [sources: Kooyman_2011]
  • leaf_dry_mass (numerical): 96.69 mg (69.2-134.22 mg) [sources: RadfordSmith_2024]
  • leaf_mass_per_area (numerical): 83.69 g/m2 (35.47-134.4 g/m2) [sources: RadfordSmith_2024; Reynolds_2018]
  • leaf_area_ratio (numerical): 0.88 mm2/mg (0.22-1.97 mm2/mg) [sources: Reynolds_2018]
  • leaf_dry_matter_content (numerical): 0.38 g/g (0.18-0.51 g/g) [sources: RadfordSmith_2024; Reynolds_2018]
  • leaf_lobation (categorical): lobed (1) [sources: Kooyman_2011]
  • leaf_compoundness (categorical): simple (1) [sources: Kooyman_2011]
life history
  • plant_growth_form (categorical): tree (5) [sources: ATRP_2020; Butler_2004; 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): deciduous (2) [sources: Kooyman_2011; RadfordSmith_2024]
  • dispersal_syndrome (categorical): barochory (1); endozoochory (1) [sources: Butler_2004; RadfordSmith_2024]
  • dispersers (categorical): passive (1) [sources: Butler_2004]
  • flowering_time (categorical): nnnnnnnnyyyn (1) [sources: Cooper_2013]
  • bud_bank_location (categorical): epicormic_buds (1) [sources: Clarke_2015]
seed morphology
  • seed_dry_mass (numerical): 58.59 mg (47.4-62.5 mg) [sources: Kew_2019_1; Reynolds_2018]
  • seed_length (numerical): 6 mm (5-7 mm) [sources: Cooper_2013; Kooyman_2011]
  • seed_width (numerical): 4.25 mm (4-5 mm) [sources: Butler_2004; Kooyman_2011]
stem morphology
  • wood_density (numerical): 0.6 mg/mm3 (0.57-0.63 mg/mm3) [sources: RadfordSmith_2024]
  • huber_value (numerical): 0.09 mm2{sapwood}/mm2{leaf} (0.01-0.19 mm2{sapwood}/mm2{leaf}) [sources: Reynolds_2018]
whole plant morphology
  • plant_height (numerical): 25 m (25-25 m) [sources: Cooper_2013; Kooyman_2011]

Sources

dataset_idn_traitsn_recordsreference
Reynolds_201810171V. A. Reynolds, L. D. L. Anderegg, X. Loy, J. HilleRisLambers, and M. M. Mayfield. “Unexpected drought resistance strategies in seedlings of four Brachychiton species”. Tree Physiology 38.5 (2017), pp. 664-677. doi: 10.1093/treephys/tpx143.
RadfordSmith_20241438J. 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_20131013W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
Kooyman_2011913R. 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.
Wright_200099I. 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.
Butler_200455D. 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.
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.
Clarke_201533P. 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.
Kew_2019_112Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.