Acacia hamiltoniana

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Family Fabaceae

Taxonomy: Acacia hamiltoniana Maiden

Synonyms: 5 (APC 2026-07-30)

Acacia linearifolia A.Cunn. (taxonomic synonym)
Acacia obtusata var. hamiltoni Maiden (taxonomic synonym)
Acacia obtusata var. hamiltonii Maiden (taxonomic synonym)
Acacia sieberiana Tausch (taxonomic synonym)
Racosperma hamiltonianum (Maiden) Pedley (nomenclatural synonym)

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

Acacia crassiuscula H.L.Wendl. (pro parte misapplied)

Distribution (APC): NSW

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (16), Chen_2017 (5), Collette_2021 (1), Kew_2019_1 (1), Maslin_2012 (12), NHNSW_2014_2 (5), NHNSW_2022 (4), NHNSW_2023 (14), Pickup_2021 (12), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (4). See below for a full list of sources.
Summary: AusTraits contains 36 traits from 85 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.

fire response

resprouting_capacity (categorical): fire_killed (4) [sources: Pickup_2021]
post_fire_recruitment (categorical): post_fire_recruitment (4) [sources: Pickup_2021]

flower morphology

flower_colour (categorical): yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): andromonoecious (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 47.5 mm (20-60 mm) [sources: ABRS_2023; NHNSW_2023]
fruit_width (numerical): 9.25 mm (7-10 mm) [sources: ABRS_2023; NHNSW_2023]
fruit_type (categorical): legume (4) [sources: ABRS_2023; Chen_2017; NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Chen_2017; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (2) [sources: Chen_2017; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 48.33 mm (30-80 mm) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]
leaf_width (numerical): 3.75 mm (2.5-5 mm) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]
leaf_shape (categorical): linear (2); narrowly_elliptical (2); oblanceolate (2) [sources: ABRS_2023; NHNSW_2023]
leaf_base_shape (categorical): attenuate (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
leaf_compoundness (categorical): simple (2) [sources: Maslin_2012; NHNSW_2014_2]
leaf_glaucousness (categorical): glaucous (2) [sources: ABRS_2023; NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2014_2]
plant_photosynthetic_organ (categorical): leaf (1); phyllode (2) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]

life history

plant_growth_form (categorical): shrub (8) [sources: ABRS_2022; Maslin_2012; NHNSW_2022; Pickup_2021; Wenk_2022]
life_history (categorical): perennial (4) [sources: ABRS_2022; Maslin_2012; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): woody (3) [sources: ABRS_2022; NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): bushy (1); erect (1); spreading (1) [sources: ABRS_2022; NHNSW_2022]
leaf_phenology (categorical): evergreen (1) [sources: Maslin_2012]
flowering_time (categorical): nnnnnnnynnnn (1) [sources: NHNSW_2014_2]
seed_dormancy_class (categorical): physical_dormancy (1) [sources: Collette_2021]

seed morphology

seed_dry_mass (numerical): 15.73 mg (15.73-15.73 mg) [sources: Kew_2019_1]
seed_length (numerical): 4.75 mm (4-5 mm) [sources: ABRS_2023; Maslin_2012]
seed_shape (categorical): ellipsoid (2); ovoid (1); ovoid_elongated (1) [sources: ABRS_2023; Maslin_2012]

whole plant morphology

plant_height (numerical): 2.58 m (0.5-3 m) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	13	16	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
NHNSW_2023	9	14	N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2023. url: https://plantnet.rbgsyd.nsw.gov.au/.
Maslin_2012	10	12	B. Maslin. WATTLE, Interactive Identification of Australian Acacia. Version 2. Australian Biological Resources Study, Canberra, 2014.
Pickup_2021	3	12	M. Pickup and T. McDonald. Bushfire impacts — A national model for assessing local landscape restoration priorities. Project Phoenix Report. Greening Australia, 2021. url: https://www.greeningaustralia.org.au/wp-content/uploads/2021/07/1.02R2.pdf.
Chen_2017	5	5	Chen, S.-C., Cornwell, W., Z. H.-X., Moles, and A. T. “Plants show more flesh in the tropics: Variation in fruit type along latitudinal and climatic gradients.”. Ecography 40 (2017), pp. 531-538. doi: abs/10.1111/ecog.02010.
NHNSW_2014_2	5	5	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
ABRS_2022	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
NHNSW_2022	4	4	N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2022. url: https://plantnet.rbgsyd.nsw.gov.au/.
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.
Wright_2000	4	4	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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Collette_2021	1	1	J. C. Collette and M. K. J. Ooi. “Distribution of seed dormancy classes across a fire-prone continent: effects of rainfall seasonality and temperature”. Annals of Botany 127.5 (2021), pp. 613-620. doi: 10.1093/aob/mcaa203.
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.