Spirodela polyrhiza

Explore the data for this taxon in the portal

Family Araceae

Taxonomy: Spirodela polyrhiza (L.) Schleid.

Synonyms: 1 (APC 2026-07-30)

Lemna polyrhiza L. (nomenclatural synonym)

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

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

Traits

Top source datasets: ABRS_2023 (10), NHNSW_2014_2 (5), NTH_2023 (14), RBGV_2022 (4), RBGV_2023 (1), Sjostrom_2006 (4), WAH_2022_2 (5), Wenk_2022 (2), Wenk_2023 (1), White_2020 (18), eFLOWER_Dun_2022 (15). See below for a full list of sources.
Summary: AusTraits contains 51 traits from 79 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_length (numerical): 1.25 mm (1-1.5 mm) [sources: ABRS_2023; NTH_2023]
fruit_width (numerical): 1.25 mm (1-1.5 mm) [sources: NTH_2023]
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): 6.17 mm (2-10 mm) [sources: ABRS_2023; NHNSW_2014_2; NTH_2023]
leaf_width (numerical): 6.2 mm (2.8-10 mm) [sources: NHNSW_2014_2; NTH_2023]
leaf_shape (categorical): elliptical (1); obovate (2); orbicular (2) [sources: ABRS_2023; NTH_2023]
leaf_lamina_posture (categorical): flat (1) [sources: ABRS_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]
stem_growth_habit (categorical): floating (1) [sources: WAH_2022_2]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): pollination_rare (1) [sources: White_2020]
dispersal_syndrome (categorical): epizoochory (1) [sources: White_2020]
dispersers (categorical): birds (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): 0.85 mm (0.7-1 mm) [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	18	18	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
eFLOWER_Dun_2022	14	15	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
NTH_2023	9	14	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	8	10	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/.
WAH_2022_2	5	5	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.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.
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.