Najas tenuifolia

Explore the data for this taxon in the portal

Family Hydrocharitaceae

Taxonomy: Najas tenuifolia R.Br.

Synonyms: 3 (APC 2026-07-30)

Naias tenuifolia F.M.Bailey (orthographic variant)
Najas graminea var. tenuifolia (R.Br.) A.Braun (nomenclatural synonym)
Najas leichhardtii Magnus (taxonomic synonym)

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_2022 (6), ABRS_2023 (10), NHNSW_2014_2 (2), NHNSW_2022 (6), NHNSW_2023 (11), NTH_2022 (3), NTH_2023 (12), RBGV_2022 (4), RBGV_2023 (6), SAH_2023 (5), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (5), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 42 traits from 98 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

sex_type (categorical): dioecious (2); monoecious (5) [sources: ABRS_2022; NHNSW_2022; NTH_2022; RBGV_2022; Sjostrom_2006]

fruit morphology

fruit_type (categorical): capsule (2) [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): 30.88 mm (12-50 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023; SAH_2023]
leaf_width (numerical): 1.13 mm (0.4-3 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023]
leaf_shape (categorical): lanceolate (1); linear (3); strap-shaped (1) [sources: ABRS_2023; NTH_2023; RBGV_2023; SAH_2023]
leaf_base_shape (categorical): sheathing (1) [sources: RBGV_2023]
leaf_margin (categorical): toothed (4); toothed_serrate (1) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
leaf_lamina_posture (categorical): flat (1) [sources: ABRS_2023]
leaf_phyllotaxis (categorical): opposite (1); whorled (1) [sources: NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (5) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): herb (7) [sources: ABRS_2022; NHNSW_2022; NTH_2022; RBGV_2022; WAH_2022_2; Wenk_2022; White_2020]
life_history (categorical): annual (4); short_lived_perennial (3) [sources: ABRS_2022; NHNSW_2022; WAH_2022_2; Wenk_2023]
plant_growth_substrate (categorical): aquatic (4) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; WAH_2022_2]
woodiness_detailed (categorical): herbaceous (6) [sources: ABRS_2022; NHNSW_2022; NTH_2022; RBGV_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): submerged (3) [sources: ABRS_2022; NHNSW_2022; 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): nnnnyyyyynnn (1); yynnnnnnnyyy (1); yyynnnnnnnnn (1) [sources: NHNSW_2014_2; WAH_1998; White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: White_2020]

seed morphology

seed_length (numerical): 2.07 mm (1.6-2.6 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023]
seed_width (numerical): 0.6 mm (0.5-0.7 mm) [sources: NTH_2023]
seed_shape (categorical): ovoid_elongated (1); polyhedral (1) [sources: NHNSW_2023; RBGV_2023]

whole plant morphology

plant_height (numerical): 0.4 m (0.4-0.4 m) [sources: NTH_2023]
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.
NTH_2023	8	12	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/.
NHNSW_2023	9	11	N. 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/.
ABRS_2023	7	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.
ABRS_2022	6	6	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
NHNSW_2022	6	6	N. 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/.
RBGV_2023	6	6	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
SAH_2023	4	5	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/.
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.
NTH_2022	3	3	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/.
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.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.