Euphorbia stevenii

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Family Euphorbiaceae

Taxonomy: Euphorbia stevenii F.M.Bailey

Synonyms: 1 (APC 2026-07-30)

Euphorbia murrayana J.M.Black (taxonomic synonym)

Distribution (APC): WA, NT, SA, Qld, NSW

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

Traits

Top source datasets: Crowley_2007 (2), Draper_2023 (3), Fonseca_2000 (5), Kew_2019_1 (1), Munroe_2019 (1), NHNSW_2014_2 (2), NHNSW_2022 (5), NHNSW_2023 (17), NSWFRD_2014 (2), Nano_2011 (2), SAH_2022 (4), SAH_2023 (29), Sjostrom_2006 (4), WAH_2022_2 (3), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 50 traits from 104 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 (2); resprouts (2) [sources: Crowley_2007; NSWFRD_2014; Nano_2011; White_2020]

flower morphology

sex_type (categorical): monoecious (2) [sources: NHNSW_2022; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 5 mm (5-5 mm) [sources: NHNSW_2023; SAH_2023]
fruit_width (numerical): 5.62 mm (5-6.5 mm) [sources: NHNSW_2023; SAH_2023]
fruit_height (numerical): 5.62 mm (5-6.5 mm) [sources: NHNSW_2023; SAH_2023]
fruit_type (categorical): capsule (3) [sources: NHNSW_2023; SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (3) [sources: NHNSW_2023; SAH_2023; Sjostrom_2006]
fruit_colour (categorical): green (1) [sources: SAH_2023]

leaf morphology

leaf_area (numerical): 33.6 mm2 (33.6-33.6 mm2) [sources: Fonseca_2000]
leaf_length (numerical): 25 mm (10-30 mm) [sources: NHNSW_2023; SAH_2023]
leaf_width (numerical): 4.33 mm (3-6 mm) [sources: Fonseca_2000; NHNSW_2023; SAH_2023]
leaf_dry_mass (numerical): 2 mg (2-2 mg) [sources: Fonseca_2000]
petiole_length (numerical): 0.38 cm (0.2-0.7 cm) [sources: NHNSW_2023; SAH_2023]
leaf_mass_per_area (numerical): 49.5 g/m2 (49.5-49.5 g/m2) [sources: Fonseca_2000]
leaf_shape (categorical): oblanceolate (2); oblong (2) [sources: NHNSW_2023; SAH_2023]
leaf_base_shape (categorical): attenuate (1) [sources: SAH_2023]
leaf_margin (categorical): toothed (2) [sources: NHNSW_2023; SAH_2023]
leaf_compoundness (categorical): simple (2) [sources: NHNSW_2014_2; SAH_2023]
leaf_phyllotaxis (categorical): alternate (2); opposite (1) [sources: NHNSW_2014_2; SAH_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1); cam (1) [sources: Munroe_2019; White_2020]
plant_growth_form (categorical): herb (5); shrub (2) [sources: Fonseca_2000; NHNSW_2022; NSWFRD_2014; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
life_history (categorical): biennial (2); perennial (4) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3); woody (1) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): erect (2) [sources: NHNSW_2022; SAH_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): barochory (1); zoochory (1) [sources: Draper_2023; White_2020]
dispersers (categorical): invertebrates (1); passive (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): yyyyyyyyyyyy (1) [sources: White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
bud_bank_location (categorical): fleshy_underground_organ (2) [sources: Crowley_2007; Nano_2011]

seed morphology

seed_dry_mass (numerical): 4.7 mg (4.7-4.7 mg) [sources: Kew_2019_1]
seed_length (numerical): 3 mm (2.5-3.5 mm) [sources: NHNSW_2023; SAH_2023]
seed_width (numerical): 2.5 mm (2-3 mm) [sources: SAH_2023]
seed_shape (categorical): ovoid (2) [sources: NHNSW_2023; SAH_2023]

whole plant morphology

plant_height (numerical): 0.33 m (0.1-0.6 m) [sources: NHNSW_2023; SAH_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
SAH_2023	21	29	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
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.
NHNSW_2023	15	17	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/.
Fonseca_2000	5	5	C. R. Fonseca, J. M. Overton, B. Collins, and M. Westoby. “Shifts in trait-combinations along rainfall and phosphorus gradients”. Journal of Ecology 88 (2000), pp. 964-977. doi: 10.1046/j.1365-2745.2000.00506.x.
NHNSW_2022	5	5	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/.
SAH_2022	4	4	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.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.
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.
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/.
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).
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
NSWFRD_2014	2	2	B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
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.
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.
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.