Wolffia angusta

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Family Araceae

Taxonomy: Wolffia angusta Landolt

Synonyms: 1 (APC 2026-07-30)

Wolffia sp. (taxonomic synonym)

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

Wolffia globosa (Roxb.) Hartog & Plas (misapplied)

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

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

Traits

Top source datasets: ABRS_2023 (7), Draper_2023 (3), NHNSW_2014_2 (5), NTH_2023 (8), RBGV_2022 (4), RBGV_2023 (1), Sjostrom_2006 (4), WAH_2022_2 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19). See below for a full list of sources.
Summary: AusTraits contains 36 traits from 58 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): fire_killed (1) [sources: White_2020]

flower morphology

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

fruit morphology

fruit_type (categorical): berry (1); utricle (1) [sources: ABRS_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 0.6 mm (0.3-0.8 mm) [sources: ABRS_2023; NHNSW_2014_2]
leaf_width (numerical): 0.32 mm (0.2-0.5 mm) [sources: ABRS_2023; NHNSW_2014_2]
leaf_shape (categorical): narrowly_oblong (1); oblong (1) [sources: NTH_2023]
leaf_margin (categorical): toothed (1) [sources: NTH_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: ABRS_2023; NTH_2023; RBGV_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): annual (2); perennial (2) [sources: RBGV_2022; WAH_2022_2; Wenk_2023]
plant_growth_substrate (categorical): aquatic (3) [sources: NHNSW_2014_2; RBGV_2022; WAH_2022_2]
woodiness_detailed (categorical): herbaceous (3) [sources: RBGV_2022; WAH_2022_2; Wenk_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1); insect (1); pollination_rare (1); water (1); wind (1) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): epizoochory (1); hydrochory (1) [sources: Draper_2023; White_2020]
dispersers (categorical): birds (1); water (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): nynnnnnnnnnn (1) [sources: White_2020]
seedbank_longevity_class (categorical): transient (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]

seed morphology

seed_length (numerical): 0.35 mm (0.3-0.4 mm) [sources: NTH_2023]
seed_width (numerical): 0.25 mm (0.25-0.25 mm) [sources: NTH_2023]
seed_shape (categorical): conical (1) [sources: NTH_2023]

whole plant morphology

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.
NTH_2023	7	8	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
ABRS_2023	5	7	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	3	5	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.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/.
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.
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/.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
RBGV_2023	1	1	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.