AusTraits

Najas marina

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Family Hydrocharitaceae

Taxonomy: Najas marina L.

Synonyms: 9 (APC 2026-07-30)
  • Naias marina C.A.Gardner (orthographic variant)
  • Najas armata H.Lindb. (taxonomic synonym)
  • Najas latior K.Schum. (taxonomic synonym)
  • Najas marina subsp. armata (H.Lindb.) Horn (taxonomic synonym)
  • Najas marina subsp. latior (F.Muell. ex K.Schum.) Triest (taxonomic synonym)
  • Najas marina var. latior F.Muell. ex K.Schum. (taxonomic synonym)
  • Najas marina var. muricata A.Braun ex K.Schum. (taxonomic synonym)
  • Najas muricata Delile (taxonomic synonym)
  • Najas muricata Thuill. (taxonomic synonym)
Misapplied names: 2 (APC 2026-07-30)
  • Najas major All. (misapplied)
  • Najas marina var. angustifolia A.Braun (misapplied)

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

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

Traits

Top source datasets: ABRS_2022 (16), ABRS_2023 (32), Kew_2019_1 (1), Kew_2019_3 (3), Kew_2019_5 (1), NHNSW_2014_2 (2), NHNSW_2022 (17), NHNSW_2023 (22), NTH_2022 (2), RBGV_2022 (4), RBGV_2023 (6), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (6), Wenk_2022 (2), Wenk_2023 (1), Wheeler_2002 (4), White_2020 (60). See below for a full list of sources.
Summary: AusTraits contains 45 traits from 184 records in 18 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
flower morphology
  • sex_type (categorical): dioecious (9) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; Sjostrom_2006; WAH_2022_2]
fruit morphology
  • fruit_type (categorical): capsule (4) [sources: NHNSW_2023; Sjostrom_2006]
  • fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
  • fruit_dehiscence (categorical): dehiscent (1); indehiscent (1) [sources: RBGV_2023; Sjostrom_2006]
leaf morphology
  • leaf_length (numerical): 40.1 mm (6-50 mm) [sources: ABRS_2023; NHNSW_2023]
  • leaf_width (numerical): 4.23 mm (1.5-5.3 mm) [sources: ABRS_2023; NHNSW_2023]
  • leaf_shape (categorical): linear (5) [sources: ABRS_2023; RBGV_2023; Wheeler_2002]
  • leaf_base_shape (categorical): sheathing (1) [sources: RBGV_2023]
  • leaf_margin (categorical): toothed (7) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • leaf_lobation (categorical): unlobed (1) [sources: Wheeler_2002]
  • leaf_compoundness (categorical): simple (2) [sources: NHNSW_2014_2; Wheeler_2002]
  • leaf_lamina_posture (categorical): flat (3) [sources: ABRS_2023]
  • plant_photosynthetic_organ (categorical): leaf (7) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
life history
  • photosynthetic_pathway (categorical): c3 (3) [sources: White_2020]
  • plant_growth_form (categorical): herb (12) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; WAH_2022_2; Wenk_2022; White_2020]
  • life_history (categorical): annual (8); perennial (1) [sources: ABRS_2022; NHNSW_2022; WAH_2022_2; Wenk_2023; Wheeler_2002]
  • plant_growth_substrate (categorical): aquatic (9) [sources: ABRS_2022; NHNSW_2022; NTH_2022; RBGV_2022; WAH_2022_2]
  • woodiness_detailed (categorical): herbaceous (9) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; WAH_2022_2; Wenk_2022]
  • stem_growth_habit (categorical): submerged (5) [sources: ABRS_2022; NHNSW_2022; NTH_2022; WAH_2022_2]
  • nitrogen_fixing (categorical): non_nitrogen_fixer (3) [sources: White_2020]
  • parasitic (categorical): not_parasitic (3) [sources: White_2020]
  • pollination_syndrome (categorical): abiotic (3) [sources: White_2020]
  • dispersal_syndrome (categorical): hydrochory (3); zoochory (1) [sources: Kew_2019_5; White_2020]
  • dispersers (categorical): water (3) [sources: White_2020]
  • flowering_time (categorical): nnyyyyyyyyyn (1); yynnnnnnnnny (3); yynnnnnnnyyy (1) [sources: NHNSW_2014_2; WAH_1998; White_2020]
  • seedbank_longevity_class (categorical): persistent (3) [sources: White_2020]
  • vegetative_reproduction_ability (categorical): vegetative (3) [sources: White_2020]
seed morphology
  • seed_dry_mass (numerical): 2.64 mg (2.64-2.64 mg) [sources: Kew_2019_1]
  • seed_length (numerical): 4.04 mm (2.5-6 mm) [sources: ABRS_2023; NHNSW_2023]
  • seed_width (numerical): 1.72 mm (0.8-2.4 mm) [sources: ABRS_2023]
  • seed_shape (categorical): ovoid_elongated (1) [sources: RBGV_2023]
whole plant morphology

Sources

dataset_idn_traitsn_recordsreference
White_20202060M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
ABRS_2023832Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
NHNSW_2023822N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2023. url: https://plantnet.rbgsyd.nsw.gov.au/.
NHNSW_2022617N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2022. url: https://plantnet.rbgsyd.nsw.gov.au/.
ABRS_2022616Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
RBGV_202366VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
WAH_2022_266Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
RBGV_202244VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
Sjostrom_200644A. 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.
Wheeler_200244J. 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.
Kew_2019_333Royal 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/.
NHNSW_2014_222Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
NTH_202222D. 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/.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_111Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Kew_2019_511Royal Botanic Gardens Kew. Seed dispersal data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
WAH_199811Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_202311E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.