Acacia obtusata

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Family Fabaceae

Taxonomy: Acacia obtusata Sieber ex DC.

Synonyms: 3 (APC 2026-07-30)

Acacia obtusata Sieber ex DC. var. obtusata (nomenclatural synonym)
Acacia obtusatum Pedley (orthographic variant)
Racosperma obtusatum (Sieber ex DC.) Pedley (nomenclatural synonym)

Distribution (APC): NSW

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (17), ANBG_2019 (4), Chen_2017 (4), Kew_2019_1 (4), Kew_2019_4 (1), Maslin_2012 (12), NHNSW_2014_2 (5), NHNSW_2022 (4), NHNSW_2023 (15), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19), Wright_2000 (9). See below for a full list of sources.
Summary: AusTraits contains 55 traits from 105 records in 15 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) [sources: White_2020]

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): 87.5 mm (40-110 mm) [sources: ABRS_2023; NHNSW_2023]
fruit_width (numerical): 9.5 mm (7-12 mm) [sources: ABRS_2023; NHNSW_2023]
fruit_type (categorical): legume (5) [sources: ABRS_2023; Chen_2017; NHNSW_2023; Sjostrom_2006; Wright_2000]
fruit_fleshiness (categorical): dry (3) [sources: Chen_2017; Sjostrom_2006; Wright_2000]
fruit_dehiscence (categorical): dehiscent (3) [sources: Chen_2017; Sjostrom_2006; Wright_2000]
fruit_colour (categorical): black (1) [sources: ABRS_2023]

leaf morphology

leaf_length (numerical): 76.67 mm (40-110 mm) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]
leaf_width (numerical): 10.5 mm (5-16 mm) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]
leaf_shape (categorical): narrowly_elliptical (2); narrowly_oblanceolate (1); narrowly_oblong (1); oblanceolate (2) [sources: ABRS_2023; NHNSW_2023]
leaf_base_shape (categorical): attenuate (1); oblique (1) [sources: ABRS_2023; NHNSW_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

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): shrub (5) [sources: ABRS_2022; Maslin_2012; NHNSW_2022; Wenk_2022; White_2020]
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): erect (1); spindly (1); spreading (1) [sources: ABRS_2022; NHNSW_2022]
leaf_phenology (categorical): evergreen (1) [sources: Maslin_2012]
nitrogen_fixing (categorical): nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (1) [sources: White_2020]
dispersal_syndrome (categorical): zoochory (1) [sources: White_2020]
dispersers (categorical): invertebrates (1) [sources: White_2020]
flowering_time (categorical): nnnnnnyyyynn (2) [sources: NHNSW_2014_2; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]

seed morphology

seed_dry_mass (numerical): 18.45 mg (8.89-29.62 mg) [sources: Kew_2019_1]
seed_length (numerical): 5.17 mm (5-5.51 mm) [sources: ANBG_2019; ABRS_2023; Maslin_2012]
seed_width (numerical): 3.69 mm (3.69-3.69 mm) [sources: ANBG_2019]
seed_shape (categorical): ellipsoid (2); ovoid (1); ovoid_elongated (1); polyhedral (1) [sources: ABRS_2023; ANBG_2019; Maslin_2012]

whole plant morphology

plant_height (numerical): 2.25 m (0.5-3 m) [sources: ABRS_2023; Maslin_2012; NHNSW_2023]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	19	19	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
ABRS_2023	14	17	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	10	15	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.
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.
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.
ANBG_2019	4	4	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
Chen_2017	4	4	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.
Kew_2019_1	1	4	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_4	1	1	Royal Botanic Gardens Kew. Oil content data from 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.