Isopogon trilobus

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Family Proteaceae

Taxonomy: Isopogon trilobus R.Br.

Synonyms: 6 (APC 2026-07-30)

Atylus trilobus (R.Br.) Kuntze (nomenclatural synonym)
Atylus tripartitus (R.Br.) Kuntze (taxonomic synonym)
Isopogon trilobus R.Br. var. trilobus (nomenclatural synonym)
Isopogon tripartitus R.Br. (taxonomic synonym)
Isopogon tripartitus R.Br. var. tripartitus (nomenclatural synonym)
Isopogon tripartitus var. plurilobus Domin (taxonomic synonym)

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

Petrophile trifida R.Br. (misapplied)

Distribution (APC): WA

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

Traits

Top source datasets: ABRS_1981 (2), ABRS_2022 (3), ABRS_2023 (11), ANBG_2019 (2), Barrett_2009 (28), Chen_2017 (5), Collette_2021 (1), Draper_2023 (3), Gosper_2012 (6), Jordan_2020 (3), Kew_2019_1 (1), Sjostrom_2006 (4), Sweedman_2006 (3), WAH_1998 (1), WAH_2022_2 (3), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 34 traits from 81 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 (5) [sources: Barrett_2009; Gosper_2012]
post_fire_recruitment (categorical): post_fire_recruitment (4) [sources: Barrett_2009]

flower morphology

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

fruit morphology

fruit_length (numerical): 4 mm (4-4 mm) [sources: ABRS_2023]
fruit_type (categorical): nut (3); strobilus (1) [sources: ABRS_2023; Chen_2017; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Chen_2017; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (2) [sources: Chen_2017; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 37.5 mm (20-55 mm) [sources: ABRS_2023]
petiole_length (numerical): 3.75 cm (2-5.5 cm) [sources: ABRS_2023]
leaf_shape (categorical): obtriangular (1) [sources: ABRS_2023]
leaf_margin (categorical): toothed (1) [sources: ABRS_2023]
leaf_lobation (categorical): lobed (1) [sources: ABRS_2023]
leaf_compoundness (categorical): simple (1) [sources: ABRS_1981]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

plant_growth_form (categorical): shrub (8) [sources: ABRS_2022; Barrett_2009; Gosper_2012; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (4) [sources: ABRS_2022; Jordan_2020; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): woody (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
pollination_syndrome (categorical): insect (1) [sources: Draper_2023]
dispersal_syndrome (categorical): anemochory (1) [sources: Draper_2023]
dispersers (categorical): wind (1) [sources: Draper_2023]
flowering_time (categorical): nnnnnnnnyyyy (2); ynnnnnnnyyyy (1) [sources: ABRS_1981; Chen_2017; WAH_1998]
seedbank_location (categorical): canopy_seedbank (5); soil_seedbank_absent (1) [sources: Barrett_2009; Gosper_2012]
serotiny (categorical): serotinous (1) [sources: Gosper_2012]
seed_dormancy_class (categorical): non_dormant (1) [sources: Collette_2021]

seed morphology

seed_dry_mass (numerical): 5.26 mg (4.09-6.86 mg) [sources: ANBG_2019; Kew_2019_1]

whole plant morphology

plant_height (numerical): 1.58 m (0.3-2 m) [sources: ABRS_2023; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
Barrett_2009	6	28	S. Barrett, S. Comer, N. McQuoid, M. Porter, C. Tiller, and D. Utber. Identification and Conservation of Fire Sensitive Ecosystems and Species of the South Coast Natural Resource Management Region.. government. Department of Conservation and Land Management, South Coast Region, Western Australia, 2009.
ABRS_2023	9	11	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Gosper_2012	6	6	C. R. Gosper, C. J. Yates, and S. M. Prober. “Changes in plant species and functional composition with time since fire in two mediterranean climate plant communities”. Journal of Vegetation Science 23.6 (2012), pp. 1071-1081. doi: 10.1111/j.1654-1103.2012.01434.x.
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.
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.
ABRS_2022	3	3	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Draper_2023	3	3	J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
Jordan_2020	3	3	G. J. Jordan, R. J. Carpenter, B. R. Holland, N. J. Beeton, M. D. Woodhams, and T. J. Brodribb. “Links between environment and stomatal size through evolutionary time in Proteaceae”. Proceedings of the Royal Society B: Biological Sciences 287.1919 (2020), p. 20192876. doi: 10.1098/rspb.2019.2876.
Sweedman_2006	1	3	L. Sweedman and D. Merritt. Australian Seeds: A Guide to Their Collection, Identification, and Biology. CSIRO Publishing, 2006. ISBN: 9780643094079.
WAH_2022_2	3	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
ABRS_1981	2	2	B. A. Barlow, H. T. Clifford, A. S. George, and A. K. A. McCusker. Flora of Australia. 1981. url: http://www.environment.gov.au/biodiversity/abrs/online-resources/flora/main/.
ANBG_2019	1	2	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
WAH_2023_2	1	2	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
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/.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.