Whiteochloa semitonsa

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Family Poaceae

Taxonomy: Whiteochloa semitonsa (F.Muell. ex Benth.) C.E.Hubb.

Synonyms: 2 (APC 2026-07-30)

Panicum semitonsum F.Muell. ex Benth. (nomenclatural synonym)
Paspalidium semitonsum (F.Muell. ex Benth.) Hughes (nomenclatural synonym)

Distribution (APC): NT, Qld

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

Traits

Top source datasets: Draper_2023 (3), GrassBase_2014 (8), Lord_1997 (2), Metcalfe_2020_2 (18), NHNSW_2014 (1), Osborne_2014 (1), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), eFLOWER_Dun_2022 (2). See below for a full list of sources.
Summary: AusTraits contains 25 traits from 42 records in 10 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): andromonoecious (1); hermaphrodite (1) [sources: Metcalfe_2020_2; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 1.62 mm (1.5-1.75 mm) [sources: Metcalfe_2020_2]
fruit_type (categorical): caryopsis (2) [sources: Metcalfe_2020_2; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Metcalfe_2020_2; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (2) [sources: Metcalfe_2020_2; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 348 mm2 (348-348 mm2) [sources: Metcalfe_2020_2]
leaf_length (numerical): 157.5 mm (60-230 mm) [sources: GrassBase_2014; Metcalfe_2020_2]
leaf_width (numerical): 4.25 mm (3-5 mm) [sources: GrassBase_2014; Metcalfe_2020_2]
leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_2]

life history

photosynthetic_pathway (categorical): c4 (2) [sources: Metcalfe_2020_2; Osborne_2014]
plant_growth_form (categorical): graminoid (1); tussock (2) [sources: Lord_1997; Metcalfe_2020_2; Wenk_2022]
life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
life_history (categorical): annual (1) [sources: Wenk_2023]
woodiness_detailed (categorical): herbaceous (1) [sources: Wenk_2022]
root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
pollination_syndrome (categorical): self (1); wind (2) [sources: Draper_2023; Metcalfe_2020_2]
dispersal_syndrome (categorical): anemochory (2); barochory (1) [sources: Draper_2023; Lord_1997; Metcalfe_2020_2]
dispersers (categorical): wind (1) [sources: Draper_2023]
flowering_time (categorical): nyyyyyynnnnn (1) [sources: NHNSW_2014]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_2]

seed morphology

seed_length (numerical): 1.62 mm (1.5-1.75 mm) [sources: GrassBase_2014]

whole plant morphology

plant_height (numerical): 0.45 m (0.3-0.6 m) [sources: GrassBase_2014]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2020_2	17	18	D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
GrassBase_2014	4	8	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.
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.
Draper_2023	3	3	J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
Lord_1997	2	2	J. Lord, J. Egan, T. Clifford, E. Jurado, M. Leishman, D. Williams, and M. Westoby. “Larger seeds in tropical floras: Consistent patterns independent of growth form and dispersal mode”. Journal of Biogeography 24 (1997), pp. 205-211. doi: 10.1046/j.1365-2699.1997.00126.x.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
eFLOWER_Dun_2022	2	2	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
NHNSW_2014	1	1	Royal Botanic Gardens Sydney. PLantNET. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/search/simple.htm.
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.