Amphibolis antarctica

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Family Cymodoceaceae

Taxonomy: Amphibolis antarctica (Labill.) Sond. & Asch.

Synonyms: 17 (APC 2026-07-30)

Amphibolis bicornis C.Agardh (taxonomic synonym)
Amphibolis zosteraefolia C.Agardh (taxonomic synonym)
Amphibolis zosterifolia C.Agardh (taxonomic synonym)
Caulinia antarctica (Labill.) R.Br. (nomenclatural synonym)
Cymodocea antarctica (Labill.) Endl. ex Kunth (nomenclatural synonym)
Cymodocea zosterifolia (C.Agardh) F.Muell. (taxonomic synonym)
Granmuellera antarctica F.Muell. (taxonomic synonym)
Graumuellera antarctica B.D.Jacks. (taxonomic synonym)
Graumuellera antarctica Ducker, Foord & N.B.Knox (taxonomic synonym)
Kernera antarctica (Labill.) Schult. & Schult.f. (nomenclatural synonym)
Pectinella antarctica (Labill.) J.M.Black (nomenclatural synonym)
Phucagrostis antarctica (Labill.) Rupr. (nomenclatural synonym)
Posidonia antarctica (Labill.) Spreng. (nomenclatural synonym)
Ruppia antarctica Labill. (nomenclatural synonym)
Thalassia antarctica Asch. (taxonomic synonym)
Thalassia antarctica Ducker, Foord & N.B.Knox (taxonomic synonym)
Thalassia antarctica F.Muell. (taxonomic synonym)

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 (5), ABRS_2023 (8), Jordan_2001 (6), Kew_2019_3 (3), RBGV_2022 (5), RBGV_2023 (10), SAH_2014 (5), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (6), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), Wheeler_2002 (10), White_2020 (21), eFLOWER_Dun_2022 (11). See below for a full list of sources.
Summary: AusTraits contains 57 traits from 100 records in 16 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

flower_colour (categorical): green (1) [sources: eFLOWER_Dun_2022]
sex_type (categorical): dioecious (5) [sources: ABRS_2022; Jordan_2001; RBGV_2022; Sjostrom_2006; WAH_2022_2]

fruit morphology

fruit_type (categorical): nutlet (1) [sources: Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Jordan_2001; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (2) [sources: RBGV_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 33.88 mm (10-80 mm) [sources: ABRS_2023; RBGV_2023; SAH_2014; Wheeler_2002]
leaf_width (numerical): 5.81 mm (2-10 mm) [sources: ABRS_2023; RBGV_2023; SAH_2014; Wheeler_2002]
leaf_shape (categorical): linear (1) [sources: Wheeler_2002]
leaf_margin (categorical): toothed (1) [sources: ABRS_2023]
leaf_lobation (categorical): unlobed (1) [sources: Wheeler_2002]
leaf_compoundness (categorical): simple (1) [sources: Wheeler_2002]
leaf_lamina_posture (categorical): concave (1); flat (2) [sources: ABRS_2023; RBGV_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: RBGV_2023]
leaf_arrangement (categorical): clustered (1) [sources: RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): herb (6) [sources: ABRS_2022; RBGV_2022; WAH_2022_2; Wenk_2022; Wheeler_2002; White_2020]
life_history (categorical): perennial (6) [sources: ABRS_2022; Jordan_2001; RBGV_2022; WAH_2022_2; Wenk_2023; Wheeler_2002]
plant_growth_substrate (categorical): aquatic (3) [sources: ABRS_2022; RBGV_2022; WAH_2022_2]
woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; RBGV_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): rhizomatous (1); submerged (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): abiotic (1) [sources: White_2020]
dispersal_syndrome (categorical): hydrochory (1) [sources: White_2020]
dispersers (categorical): water (1) [sources: White_2020]
flowering_time (categorical): yynnnnnnyyyy (2) [sources: WAH_1998; White_2020]
seedbank_longevity_class (categorical): transient (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (3) [sources: ABRS_2023; RBGV_2023; WAH_2023_2]

seed morphology

seed_length (numerical): 120 mm (120-120 mm) [sources: Jordan_2001]
seed_width (numerical): 5 mm (5-5 mm) [sources: Jordan_2001]

whole plant morphology

plant_height (numerical): 1.1 m (0.8-1.5 m) [sources: SAH_2014; WAH_2023_2; Wheeler_2002]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	21	21	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
eFLOWER_Dun_2022	11	11	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
RBGV_2023	8	10	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
Wheeler_2002	8	10	J. R. Wheeler, N. G. Marchant, and M. Lewington. Flora of the south west: Bunbury, Augusta, Denmark. Australian Biological Resources Study ; University of Western Australia Press, 2002. ISBN: 9780642568168.
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.
WAH_2022_2	6	6	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
ABRS_2022	5	5	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	5	5	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
SAH_2014	3	5	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.
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.
Kew_2019_3	3	3	Royal Botanic Gardens Kew. Salt and water tolerance data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
WAH_2023_2	2	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.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.