Poa orba

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Family Poaceae

Taxonomy: Poa orba N.G.Walsh

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

Poa colensoi Hook.f. (misapplied)

Distribution (APC): Vic

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (10), Cheal_2017 (6), GrassBase_2014 (6), Kew_2019_1 (1), Osborne_2014 (1), RBGV_2022 (4), RBGV_2023 (11), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (17). See below for a full list of sources.
Summary: AusTraits contains 38 traits from 67 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: Cheal_2017]
post_fire_recruitment (categorical): post_fire_recruitment (1) [sources: Cheal_2017]

flower morphology

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

fruit morphology

fruit_type (categorical): caryopsis (3) [sources: ABRS_2023; RBGV_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 60 mm (40-80 mm) [sources: ABRS_2023; GrassBase_2014; RBGV_2023]
leaf_width (numerical): 384.05 mm (0.8-1500 mm) [sources: ABRS_2023; GrassBase_2014; RBGV_2023]
leaf_base_shape (categorical): sheathing (1) [sources: ABRS_2023]
leaf_lamina_posture (categorical): conduplicate (2) [sources: ABRS_2023; RBGV_2023]
leaf_glaucousness (categorical): glaucous (1) [sources: RBGV_2023]
leaf_phyllotaxis (categorical): alternate (2) [sources: ABRS_2023; RBGV_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; RBGV_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: Osborne_2014; White_2020]
plant_growth_form (categorical): graminoid (2); herb (2); tussock (2) [sources: ABRS_2022; RBGV_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: ABRS_2022; RBGV_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3) [sources: ABRS_2022; RBGV_2022; Wenk_2022]
stem_growth_habit (categorical): rhizomatous (2); tufted (1) [sources: ABRS_2022; RBGV_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]
seedbank_longevity_class (categorical): long_persistent (1); transient (1) [sources: Cheal_2017; White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]
storage_organ (categorical): rhizome (2) [sources: ABRS_2023; RBGV_2023]

seed morphology

seed_dry_mass (numerical): 0.36 mg (0.36-0.36 mg) [sources: Kew_2019_1]

whole plant morphology

plant_height (numerical): 0.12 m (0.05-0.15 m) [sources: GrassBase_2014; RBGV_2023]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	17	17	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
RBGV_2023	9	11	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
ABRS_2023	8	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.
Cheal_2017	6	6	D. Cheal. Growth stages and tolerable fire intervals for Victoria's native vegetation data sets. Fire and adaptive management, report no. 84. Victorian Government Department of Sustainability and Environment Melbourne, 2010.
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.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_1	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.