Althenia patentifolia

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Family Potamogetonaceae

Taxonomy: Althenia patentifolia (E.L.Robertson) T.D.Macfarl. & D.D.Sokoloff

Synonyms: 1 (APC 2026-07-30)

Lepilaena patentifolia E.L.Robertson (basionym)

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

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (8), Draper_2023 (5), Jordan_2001 (6), RBGV_2022 (3), RBGV_2023 (5), SAH_2014 (2), SAH_2022 (6), SAH_2023 (12), Sjostrom_2006 (3), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 44 traits from 77 records in 13 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]

flower morphology

sex_type (categorical): dioecious (5) [sources: ABRS_2022; Draper_2023; Jordan_2001; RBGV_2022; SAH_2022]

fruit morphology

fruit_length (numerical): 2 mm (1.5-2.5 mm) [sources: RBGV_2023; SAH_2023]
fruit_type (categorical): achene (1); nutlet (1) [sources: SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Jordan_2001; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
fruit_colour (categorical): brown (1) [sources: SAH_2023]

leaf morphology

leaf_length (numerical): 35 mm (10-60 mm) [sources: ABRS_2023; SAH_2014; SAH_2023]
leaf_width (numerical): 0.85 mm (0.5-1.2 mm) [sources: ABRS_2023; SAH_2023]
leaf_shape (categorical): linear (2) [sources: ABRS_2023; RBGV_2023]
leaf_base_shape (categorical): sheathing (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (3) [sources: ABRS_2023; RBGV_2023; SAH_2023]
leaf_lamina_posture (categorical): flat (1) [sources: SAH_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: SAH_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: ABRS_2023; RBGV_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): graminoid_not_tussock (1); herb (4) [sources: ABRS_2022; RBGV_2022; SAH_2022; Wenk_2022; White_2020]
life_history (categorical): annual (1); perennial (3) [sources: ABRS_2022; Jordan_2001; SAH_2022; Wenk_2023]
plant_growth_substrate (categorical): aquatic (1) [sources: SAH_2022]
woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; RBGV_2022; SAH_2022; Wenk_2022]
stem_growth_habit (categorical): rhizomatous (1); submerged (1) [sources: SAH_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1); water (1) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): barochory (1); epizoochory (1); hydrochory (1) [sources: Draper_2023; White_2020]
dispersers (categorical): birds (1); passive (1); water (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): ynnnnnnnnnyy (1) [sources: White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (2) [sources: RBGV_2023; SAH_2023]

seed morphology

seed_length (numerical): 1.8 mm (1.8-1.8 mm) [sources: Jordan_2001]
seed_width (numerical): 1 mm (1-1 mm) [sources: Jordan_2001]
dispersal_unit (categorical): seedling (1) [sources: Draper_2023]

whole plant morphology

plant_height (numerical): 0.75 m (0.75-0.75 m) [sources: SAH_2014]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	20	20	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
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/.
ABRS_2023	6	8	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Jordan_2001	6	6	G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
SAH_2022	6	6	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/.
Draper_2023	5	5	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.
RBGV_2023	5	5	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
ABRS_2022	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
RBGV_2022	3	3	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
Sjostrom_2006	3	3	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.
SAH_2014	2	2	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.
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.