Poa affinis

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Family Poaceae

Taxonomy: Poa affinis R.Br.

Synonyms: 1 (APC 2026-07-30)

Poa caespitosa var. affinis (R.Br.) Benth. (nomenclatural synonym)

Distribution (APC): NSW

Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, ATRP

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (9), GrassBase_2014 (6), NHNSW_2014 (1), NHNSW_2014_2 (1), NHNSW_2022 (4), NHNSW_2023 (8), Osborne_2014 (1), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 36 traits from 61 records in 12 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): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_type (categorical): caryopsis (3) [sources: ABRS_2023; NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 200 mm (100-300 mm) [sources: ABRS_2023; GrassBase_2014; NHNSW_2023]
leaf_width (numerical): 3.12 mm (1-5 mm) [sources: ABRS_2023; GrassBase_2014]
leaf_shape (categorical): linear (1) [sources: NHNSW_2023]
leaf_base_shape (categorical): sheathing (1) [sources: ABRS_2023]
leaf_lamina_posture (categorical): flat (2) [sources: ABRS_2023; NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (2) [sources: ABRS_2023; NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; NHNSW_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: Osborne_2014; White_2020]
plant_growth_form (categorical): graminoid (2); herb (1); shrub (1); tussock (2) [sources: ABRS_2022; NHNSW_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: ABRS_2022; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2); woody (1) [sources: ABRS_2022; NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): caespitose (2); rhizomatous (1) [sources: ABRS_2022; NHNSW_2022]
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): epizoochory (1) [sources: White_2020]
dispersers (categorical): mammals (1) [sources: White_2020]
flowering_time (categorical): nnnnnnnnnnyn (1); ynnnnnnnyyyy (1); yynnnnnnyyyy (1) [sources: NHNSW_2014; NHNSW_2014_2; White_2020]
seedbank_longevity_class (categorical): transient (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]

whole plant morphology

plant_height (numerical): 0.65 m (0.1-1.2 m) [sources: GrassBase_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.
ABRS_2023	7	9	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
NHNSW_2023	7	8	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/.
GrassBase_2014	3	6	W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
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.
NHNSW_2022	4	4	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/.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
NHNSW_2014	1	1	Royal Botanic Gardens Sydney. PLantNET. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/search/simple.htm.
NHNSW_2014_2	1	1	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Osborne_2014	1	1	C. Osborne, A. Salomaa, T. Kluyver, V. Visser, E. Kellogg, O. Morrone, M. Vorontsova, W. Clayton, and D. Simpson. “A global database of C4 photosynthesis in grasses”. New Phytologist 204 (2014), pp. 441-446. doi: 10.1111/nph.12942.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.