Posidonia denhartogii

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Family Posidoniaceae

Taxonomy: Posidonia denhartogii J.Kuo & Cambridge

Synonyms: 1 (APC 2026-07-30)

Posidonia aff. ostenfeldii (pro parte taxonomic synonym)

Misapplied names: 1 (APC 2026-07-30)

Posidonia ostenfeldii Hartog (pro parte misapplied)

Distribution (APC): WA, SA

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (18), SAH_2022 (5), SAH_2023 (9), Sjostrom_2006 (2), WAH_2022_2 (5), WAH_2023_2 (1), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 21 traits from 47 records in 9 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

flower morphology

sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 26 mm (16-36 mm) [sources: ABRS_2023]
fruit_type (categorical): drupe (1) [sources: ABRS_2023]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (1) [sources: ABRS_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 850 mm (400-1000 mm) [sources: ABRS_2023; SAH_2023]
leaf_width (numerical): 1.62 mm (1-2 mm) [sources: ABRS_2023; SAH_2023]
leaf_shape (categorical): elliptical (1); linear (1); spathulate (1) [sources: ABRS_2023; SAH_2023]
leaf_margin (categorical): entire (1) [sources: ABRS_2023]
leaf_margin_posture (categorical): revolute (1) [sources: SAH_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
leaf_arrangement (categorical): distichous (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; SAH_2023]

life history

plant_growth_form (categorical): herb (4) [sources: ABRS_2022; SAH_2022; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (4) [sources: ABRS_2022; SAH_2022; WAH_2022_2; Wenk_2023]
plant_growth_substrate (categorical): aquatic (3) [sources: ABRS_2022; SAH_2022; WAH_2022_2]
woodiness_detailed (categorical): herbaceous (4) [sources: ABRS_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): rhizomatous (2); submerged (1) [sources: SAH_2022; WAH_2022_2]
storage_organ (categorical): rhizome (3) [sources: ABRS_2023; SAH_2023; WAH_2023_2]

seed morphology

seed_length (numerical): 9 mm (8-10 mm) [sources: ABRS_2023; SAH_2023]
seed_shape (categorical): comma-shaped (1) [sources: ABRS_2023]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	14	18	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
SAH_2023	7	9	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/.
SAH_2022	5	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/.
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.
Sjostrom_2006	2	2	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.
WAH_2023_2	1	1	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://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.