Bertya opponens

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Family Euphorbiaceae

Taxonomy: Bertya opponens (F.Muell. ex Benth.) Guymer

Synonyms: 4 (APC 2026-07-30)

Bertya oppositifolia F.Muell. & O'Shanesy (taxonomic synonym)
Bertya sp. A (nomenclatural synonym)
Bertya sp. Cobar-Coolabah (Cunningham & Milthorpe s.n. 2/8/73) NSW Herbarium (nomenclatural synonym)
Croton opponens F.Muell. ex Benth. (nomenclatural synonym)

Distribution (APC): Qld, NSW

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (13), NHNSW_2014_2 (4), NHNSW_2022 (4), NHNSW_2023 (20), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 42 traits from 70 records in 9 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): red_brown (1); yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): monoecious (2) [sources: NHNSW_2022; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 10 mm (8-14 mm) [sources: ABRS_2023; NHNSW_2023]
fruit_width (numerical): 8.5 mm (8-9 mm) [sources: NHNSW_2023]
fruit_height (numerical): 8.5 mm (8-9 mm) [sources: NHNSW_2023]
fruit_type (categorical): capsule (2) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 41.75 mm (10-72 mm) [sources: ABRS_2023; NHNSW_2023]
leaf_width (numerical): 14.5 mm (5-25 mm) [sources: ABRS_2023; NHNSW_2023]
petiole_length (numerical): 0.4 cm (0.3-0.5 cm) [sources: NHNSW_2023]
leaf_shape (categorical): elliptical (1); narrowly_elliptical (2); narrowly_oblong (1); oblanceolate (1); oblong (2); obovate (1) [sources: ABRS_2023; NHNSW_2023]
leaf_base_shape (categorical): attenuate (1); obtuse (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
leaf_margin_posture (categorical): revolute (2) [sources: ABRS_2023; NHNSW_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
leaf_phyllotaxis (categorical): opposite (2) [sources: ABRS_2023; NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; NHNSW_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): shrub (4); tree (3) [sources: ABRS_2022; NHNSW_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: ABRS_2022; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): woody (3) [sources: ABRS_2022; NHNSW_2022; Wenk_2022]
nitrogen_fixing (categorical): non_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): nnnnnnyynnnn (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_shape (categorical): ovoid_elongated (1) [sources: NHNSW_2023]

whole plant morphology

plant_height (numerical): 4.5 m (4-5 m) [sources: ABRS_2023; NHNSW_2023]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
NHNSW_2023	14	20	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/.
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	10	13	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_2014_2	4	4	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.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.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.