Brachychiton collinus

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Family Malvaceae

Taxonomy: Brachychiton collinus Guymer

Synonyms: 3 (APC 2026-07-30)

Brachychiton sp. 5 (Mt. Isa) (taxonomic synonym)
Brachychiton sp. N-W. Qld & N-E NT. (taxonomic synonym)
Sterculia australis var. acuminata Domin (taxonomic synonym)

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

Brachychiton trichosiphon (Benth.) Ewart & O.B.Davies (misapplied)

Distribution (APC): NT, Qld

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

Traits

Top source datasets: Crowley_2007 (2), Kew_2019_1 (1), NTH_2022 (3), NTH_2023 (25), Nano_2011 (2), RussellSmith_2012 (4), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (9). See below for a full list of sources.
Summary: AusTraits contains 36 traits from 53 records in 10 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 (3) [sources: Crowley_2007; Nano_2011; RussellSmith_2012]

flower morphology

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

fruit morphology

fruit_type (categorical): capsule (1); follicle (2) [sources: NTH_2023; Sjostrom_2006; Wright_2000]
fruit_fleshiness (categorical): dry (2) [sources: Sjostrom_2006; Wright_2000]
fruit_dehiscence (categorical): dehiscent (3) [sources: NTH_2023; Sjostrom_2006; Wright_2000]
fruit_colour (categorical): brown (1) [sources: NTH_2023]

leaf morphology

leaf_length (numerical): 122.5 mm (65-180 mm) [sources: NTH_2023]
leaf_width (numerical): 140 mm (75-205 mm) [sources: NTH_2023]
petiole_length (numerical): 10 cm (4.5-15.5 cm) [sources: NTH_2023]
leaf_shape (categorical): ovate (1); widely_ovate (1) [sources: NTH_2023]
leaf_base_shape (categorical): cordate (1) [sources: NTH_2023]
leaf_lobation (categorical): lobed (1); unlobed (1) [sources: NTH_2023]
leaf_compoundness (categorical): simple (1) [sources: NTH_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: NTH_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NTH_2023]

life history

plant_growth_form (categorical): tree (2) [sources: NTH_2022; Wenk_2022]
life_history (categorical): perennial (2) [sources: NTH_2022; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: NTH_2022; Wenk_2022]
seedbank_longevity_class (categorical): transient (1) [sources: RussellSmith_2012]
bud_bank_location (categorical): basal_stem_buds (2); epicormic_buds (2) [sources: Crowley_2007; Nano_2011]

seed morphology

seed_dry_mass (numerical): 63.86 mg (63.86-63.86 mg) [sources: Kew_2019_1]
seed_length (numerical): 7.5 mm (6-9 mm) [sources: NTH_2023]
seed_width (numerical): 5 mm (4-6 mm) [sources: NTH_2023]
seed_shape (categorical): ovoid (1) [sources: NTH_2023]

whole plant morphology

plant_height (numerical): 12 m (12-12 m) [sources: NTH_2023]

Sources

dataset_id	n_traits	n_records	reference
NTH_2023	19	25	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/.
Wright_2000	9	9	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.
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.
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.
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/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.