Brachychiton megaphyllus

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Family Malvaceae

Taxonomy: Brachychiton megaphyllus Guymer

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

Brachychiton paradoxus Schott & Endl. (misapplied)

Distribution (APC): NT

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

Traits

Top source datasets: Clarke_2015 (3), Crowley_2007 (2), Kew_2019_1 (1), Kew_2019_6 (3), Lord_1997 (3), Munroe_2019 (1), NTH_2022 (3), NTH_2023 (26), Nano_2011 (2), Prior_2003 (101), RussellSmith_2012 (4), Schmidt_2003 (24), Schulze_1998 (8), Sjostrom_2006 (4), Stephens_2021 (2), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (1). See below for a full list of sources.
Summary: AusTraits contains 59 traits from 191 records in 18 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 (1); resprouts (4) [sources: Clarke_2015; Crowley_2007; Nano_2011; RussellSmith_2012; Schmidt_2003]
post_fire_recruitment (categorical): post_fire_recruitment_absent (1) [sources: Clarke_2015]

flower morphology

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

fruit morphology

fruit_type (categorical): follicle (2) [sources: NTH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (2) [sources: NTH_2023; Sjostrom_2006]
fruit_colour (categorical): brown (1); yellow (1) [sources: NTH_2023]

leaf morphology

leaf_area (numerical): 30356.44 mm2 (23787.33-36821.33 mm2) [sources: Prior_2003]
leaf_length (numerical): 210 mm (140-280 mm) [sources: NTH_2023]
leaf_width (numerical): 185 mm (120-250 mm) [sources: NTH_2023]
petiole_length (numerical): 17.5 cm (5-30 cm) [sources: NTH_2023]
leaf_mass_per_area (numerical): 138.99 g/m2 (80.01-179.53 g/m2) [sources: Prior_2003; Schulze_1998]
leaf_dry_matter_content (numerical): 0.28 g/g (0.21-0.42 g/g) [sources: Prior_2003; Schmidt_2003]
leaf_water_content_per_dry_mass (numerical): 1.49 g/g (1.36-1.66 g/g) [sources: Prior_2003]
leaf_shape (categorical): ovate (1); widely_elliptical (1); widely_ovate (1) [sources: NTH_2023]
leaf_base_shape (categorical): cordate (1) [sources: NTH_2023]
leaf_margin (categorical): entire (1) [sources: NTH_2023]
leaf_lobation (categorical): lobed (1); unlobed (1) [sources: NTH_2023]
leaf_compoundness (categorical): simple (2) [sources: NTH_2023; Prior_2003]
leaf_phyllotaxis (categorical): alternate (1) [sources: NTH_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NTH_2023]

life history

photosynthetic_pathway (categorical): c3 (3) [sources: Munroe_2019; Prior_2003; Schmidt_2003]
plant_growth_form (categorical): shrub (5); tree (8) [sources: Lord_1997; NTH_2022; Prior_2003; Schmidt_2003; Schulze_1998; Wenk_2022]
life_history (categorical): perennial (3) [sources: NTH_2022; Schmidt_2003; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: NTH_2022; Wenk_2022]
leaf_phenology (categorical): deciduous (3) [sources: Prior_2003; Schmidt_2003; Schulze_1998]
nitrogen_fixing (categorical): non_nitrogen_fixer (4) [sources: Prior_2003; Schmidt_2003; Schulze_1998]
root_structure (categorical): arbuscular_mycorrhizal (1) [sources: Schmidt_2003]
dispersal_syndrome (categorical): barochory (1) [sources: Lord_1997]
flowering_time (categorical): nnnnnyyyyyyn (1); nnnyyyyyyynn (1) [sources: Stephens_2021]
seedbank_longevity_class (categorical): transient (1) [sources: RussellSmith_2012]
bud_bank_location (categorical): basal_stem_buds (2); epicormic_buds (1) [sources: Clarke_2015; Crowley_2007; Nano_2011]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 21.08 mg/g (16-22.6 mg/g) [sources: Prior_2003; Schmidt_2003; Schulze_1998]
leaf_P_per_dry_mass (numerical): 1.27 mg/g (1.11-1.77 mg/g) [sources: Prior_2003]
leaf_delta13C (numerical): -27.8 {delta}[ppth] (-28.91--25 {delta}[ppth]) [sources: Schmidt_2003; Schulze_1998]

seed morphology

seed_dry_mass (numerical): 119.41 mg (119.02-119.8 mg) [sources: Kew_2019_1; Lord_1997]
seed_length (numerical): 7.5 mm (7-8 mm) [sources: NTH_2023]
seed_width (numerical): 6 mm (5-7 mm) [sources: NTH_2023]
seed_shape (categorical): ovoid (1) [sources: NTH_2023]

whole plant morphology

plant_height (numerical): 9 m (9-9 m) [sources: NTH_2023]

Sources

dataset_id	n_traits	n_records	reference
Prior_2003	21	101	L. D. Prior, D. Eamus, and D. M. J. S. Bowman. “Leaf attributes in the seasonally dry tropics: A comparison of four habitats in northern Australia”. Functional Ecology 17 (2003), pp. 504-515. doi: 10.1046/j.1365-2435.2003.00761.x.
NTH_2023	20	26	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
Schmidt_2003	12	24	S. Schmidt and G. R. Stewart. “d15N values of tropical savanna and monsoon forest species reflect root specialisations and soil nitrogen status”. Oecologia 134 (2003), pp. 569-577. doi: 10.1007/s00442-002-1150-y.
Schulze_1998	8	8	E. -. Schulze, R. J. Williams, G. D. Farquhar, W. Schulze, J. Langridge, J. M. Miller, and B. H. Walker. “Carbon and nitrogen isotope discrimination and nitrogen nutrition of trees along a rainfall gradient in northern Australia”. Australian Journal of Plant Physiology 25.4 (1998), pp. 413-425. doi: 10.1071/PP97113.
RussellSmith_2012	4	4	J. Russell-Smith, M. R. Gardener, C. Brock, K. Brennan, C. P. Yates, and B. Grace. “Fire persistence traits can be used to predict vegetation response to changing fire regimes at expansive landscape scales - an Australian example”. Journal of Biogeography 39 (2012), pp. 1657-1668. doi: 10.1111/j.1365-2699.2012.02714.x.
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.
Clarke_2015	3	3	P. 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_6	1	3	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Lord_1997	3	3	J. Lord, J. Egan, T. Clifford, E. Jurado, M. Leishman, D. Williams, and M. Westoby. “Larger seeds in tropical floras: Consistent patterns independent of growth form and dispersal mode”. Journal of Biogeography 24 (1997), pp. 205-211. doi: 10.1046/j.1365-2699.1997.00126.x.
NTH_2022	3	3	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
Crowley_2007	2	2	G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
Nano_2011	2	2	C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
Stephens_2021	1	2	R. Stephens. “Unpublished data: Flowering time data from TERN plots, Macquarie University.”. 2021.
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/.
Munroe_2019	1	1	S. E. M. Munroe, F. A. McInerney, J. Andrae, N. Welti, G. R. Guerin, E. Leitch, T. Hall, S. Szarvas, R. Atkins, S. Caddy-Retalic, and B. Sparrow. “The Photosynthetic Pathways of Plant Species Surveyed in Australia's National Terrestrial Monitoring Network”. Scientific Data 8 (2021), p. 97. doi: 10.1038/s41597-021-00877-z.
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.