Euphrasia collina subsp. tetragona

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Family Scrophulariaceae

Taxonomy: Euphrasia collina subsp. tetragona (R.Br.) W.R.Barker

Synonyms: 4 (APC 2026-07-30)

Euphrasia brownii F.Muell. (pro parte taxonomic synonym)
Euphrasia multicaulis Benth. (taxonomic synonym)
Euphrasia paludosa R.Br. (pro parte taxonomic synonym)
Euphrasia tetragona R.Br. (nomenclatural synonym)

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

Euphrasia scabra R.Br. (doubtful pro parte misapplied)

Distribution (APC): WA, SA, Vic, Tas

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

Traits

Top source datasets: Kew_2019_1 (1), Kew_2019_6 (2), RBGV_2022 (4), RBGV_2023 (16), SAH_2014 (4), SAH_2023 (12), WAH_2022_2 (4), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 39 traits from 67 records in 11 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): resprouts (1) [sources: White_2020]

fruit morphology

fruit_length (numerical): 9.75 mm (7.5-12 mm) [sources: SAH_2023]
fruit_type (categorical): capsule (2) [sources: RBGV_2023; SAH_2023]
fruit_dehiscence (categorical): dehiscent (2) [sources: RBGV_2023; SAH_2023]

leaf morphology

leaf_length (numerical): 9.45 mm (4.6-14.3 mm) [sources: RBGV_2023; SAH_2014]
leaf_width (numerical): 5.7 mm (1.8-9.6 mm) [sources: SAH_2014]
leaf_base_shape (categorical): cuneate (1); rounded (1) [sources: RBGV_2023]
leaf_margin (categorical): toothed (2) [sources: RBGV_2023; SAH_2023]
leaf_compoundness (categorical): simple (1) [sources: RBGV_2023]
leaf_phyllotaxis (categorical): opposite (2) [sources: RBGV_2023; SAH_2023]
leaf_arrangement (categorical): decussate (2) [sources: RBGV_2023; SAH_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: RBGV_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): herb (4) [sources: RBGV_2022; WAH_2022_2; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: RBGV_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3); woody_base (1) [sources: RBGV_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): erect (1) [sources: WAH_2022_2]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): hemiparasitic (1); not_parasitic (1) [sources: RBGV_2022; White_2020]
pollination_syndrome (categorical): insect (1) [sources: White_2020]
dispersal_syndrome (categorical): barochory (1) [sources: White_2020]
flowering_time (categorical): yyyyynnnyyyy (1) [sources: 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): 0.06 mg (0.06-0.06 mg) [sources: Kew_2019_1]
seed_length (numerical): 0.75 mm (0.5-1 mm) [sources: RBGV_2023; SAH_2023]
seed_shape (categorical): ellipsoid (2) [sources: RBGV_2023; SAH_2023]

whole plant morphology

plant_height (numerical): 0.25 m (0.1-0.47 m) [sources: RBGV_2023; WAH_2023_2]
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.
RBGV_2023	13	16	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
SAH_2023	10	12	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/.
RBGV_2022	4	4	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
SAH_2014	2	4	J. P. Jessop and H. R. Toelken. Flora of South Australia, 4th edition, 4 vols. Electronic version curated by J. Kellermann, State Herbarium of South Australia.. Government Printer, Adelaide, 1986.
WAH_2022_2	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Kew_2019_6	1	2	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.