Roepera howittii

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Family Zygophyllaceae

Taxonomy: Roepera howittii (F.Muell.) Beier & Thulin

Synonyms: 1 (APC 2026-07-30)

Zygophyllum howittii F.Muell. (nomenclatural synonym)

Distribution (APC): NT, SA, Qld, NSW

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (19), Crowley_2007 (1), Draper_2023 (3), Munroe_2019 (1), NHNSW_2014_2 (3), NHNSW_2022 (4), NHNSW_2023 (12), NTH_2022 (4), NTH_2023 (10), Nano_2011 (1), SAH_2022 (4), SAH_2023 (6), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 30 traits from 75 records in 15 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): fire_killed (2) [sources: Crowley_2007; Nano_2011]

flower morphology

flower_colour (categorical): blue_purple (1); yellow_orange (1) [sources: NHNSW_2014_2]

fruit morphology

fruit_length (numerical): 14 mm (10-19 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023]
fruit_width (numerical): 15.75 mm (10-19 mm) [sources: ABRS_2023; NTH_2023]
fruit_dehiscence (categorical): indehiscent (3) [sources: NHNSW_2023; NTH_2023; SAH_2023]
fruit_colour (categorical): purple (1) [sources: NHNSW_2023]

leaf morphology

leaf_length (numerical): 7 mm (2-12 mm) [sources: ABRS_2023; NHNSW_2023]
leaf_width (numerical): 3 mm (2-4 mm) [sources: ABRS_2023]
petiole_length (numerical): 1.05 cm (0.4-1.7 cm) [sources: ABRS_2023]
leaf_shape (categorical): oblong (1); obtriangular (1) [sources: ABRS_2023; NHNSW_2023]
leaf_base_shape (categorical): cuneate (1) [sources: SAH_2023]
leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
leaf_lobation (categorical): lobed (3) [sources: NHNSW_2023; NTH_2023; SAH_2023]
leaf_compoundness (categorical): compound (3) [sources: ABRS_2023; NHNSW_2023; SAH_2023]
leaf_glaucousness (categorical): glaucous (1); not_glaucous (1) [sources: NTH_2023]
leaf_phyllotaxis (categorical): opposite (3) [sources: ABRS_2023; NHNSW_2023; NTH_2023]
plant_photosynthetic_organ (categorical): leaf (4) [sources: ABRS_2023; NHNSW_2023; NTH_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Munroe_2019]
plant_growth_form (categorical): herb (5); shrub (1); subshrub (1) [sources: ABRS_2022; NHNSW_2022; NTH_2022; SAH_2022; Wenk_2022]
life_history (categorical): annual (5) [sources: ABRS_2022; NHNSW_2022; NTH_2022; SAH_2022; Wenk_2023]
woodiness_detailed (categorical): herbaceous (5); woody (2) [sources: ABRS_2022; NHNSW_2022; NTH_2022; SAH_2022; Wenk_2022]
stem_growth_habit (categorical): decumbent (2); erect (2); prostrate (3); spreading (4) [sources: ABRS_2022; NHNSW_2022; NTH_2022; SAH_2022]
pollination_syndrome (categorical): insect (1) [sources: Draper_2023]
dispersal_syndrome (categorical): barochory (1); myrmecochory (1); zoochory (1) [sources: Draper_2023]
dispersers (categorical): abiotic (1); animals (1); ants (1); passive (1) [sources: Draper_2023]
flowering_time (categorical): nnnnynnnnnyn (1) [sources: NHNSW_2014_2]

seed morphology

seed_length (numerical): 6.5 mm (6-7 mm) [sources: ABRS_2023]
seed_shape (categorical): fusiform (3); polyhedral (3) [sources: ABRS_2023; NHNSW_2023; SAH_2023]

whole plant morphology

plant_height (numerical): 0.4 m (0.3-0.5 m) [sources: ABRS_2023; NTH_2023]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	13	19	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	10	12	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/.
NTH_2023	8	10	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/.
SAH_2023	6	6	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/.
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/.
NTH_2022	4	4	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/.
SAH_2022	4	4	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/.
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.
NHNSW_2014_2	3	3	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.
Crowley_2007	1	1	G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
Munroe_2019	1	1	S. E. M. Munroe, F. A. McInerney, J. Andrae, N. Welti, G. R. Guerin, E. Leitch, T. Hall, S. Szarvas, R. Atkins, S. Caddy-Retalic, and B. Sparrow. “The Photosynthetic Pathways of Plant Species Surveyed in Australia's National Terrestrial Monitoring Network”. Scientific Data 8 (2021), p. 97. doi: 10.1038/s41597-021-00877-z.
Nano_2011	1	1	C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.