Synostemon trachyspermus

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Family Phyllanthaceae

Taxonomy: Synostemon trachyspermus (F.Muell.) I.Telford & Pruesapan

Synonyms: 6 (APC 2026-07-30)

Diasperus trachyspermus (F.Muell.) Kuntze (nomenclatural synonym)
Glochidion trachyspermum (F.Muell.) H.Eichler (nomenclatural synonym)
Phyllanthus trachyspermus F.Muell. (nomenclatural synonym)
Sauropus sp. Austral Downs (C.P.Brock 01/02/1999) Albr. (taxonomic synonym)
Sauropus sp. wrinkled seed (F.Mueller s.n.) NT Herbarium (taxonomic synonym)
Sauropus trachyspermus (F.Muell.) Airy Shaw (nomenclatural synonym)

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

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

Traits

Top source datasets: Crowley_2007 (2), Draper_2023 (3), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (13), NTH_2022 (2), NTH_2023 (12), Nano_2011 (2), SAH_2022 (3), SAH_2023 (20), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (3), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), Wenk_2023_2 (1), White_2020 (40). See below for a full list of sources.
Summary: AusTraits contains 45 traits from 117 records in 18 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 (1); resprouts (4) [sources: Crowley_2007; Nano_2011; White_2020]

flower morphology

sex_type (categorical): dioecious (1); monoecious (2) [sources: NHNSW_2022; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 4.3 mm (3-5 mm) [sources: NHNSW_2023; NTH_2023; SAH_2023]
fruit_width (numerical): 4 mm (3-5 mm) [sources: SAH_2023]
fruit_height (numerical): 4 mm (3-5 mm) [sources: SAH_2023]
fruit_type (categorical): capsule (3) [sources: NHNSW_2023; SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (2) [sources: NTH_2023; Sjostrom_2006]
fruit_colour (categorical): green (1) [sources: SAH_2023]

leaf morphology

leaf_length (numerical): 9.33 mm (3-15 mm) [sources: NHNSW_2023; NTH_2023; SAH_2023]
leaf_width (numerical): 2.83 mm (1-4 mm) [sources: NHNSW_2023; NTH_2023; SAH_2023]
leaf_shape (categorical): lanceolate (2); linear (1); oblong (3); ovate (2) [sources: NHNSW_2023; NTH_2023; SAH_2023]
leaf_base_shape (categorical): rounded (1) [sources: SAH_2023]
leaf_margin (categorical): entire (2) [sources: NHNSW_2023; NTH_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2014_2]
leaf_phyllotaxis (categorical): alternate (2) [sources: NHNSW_2023; NTH_2023]
leaf_arrangement (categorical): distichous (1) [sources: SAH_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: NHNSW_2023; NTH_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: White_2020]
plant_growth_form (categorical): herb (3); shrub (3); subshrub (3) [sources: NHNSW_2022; NTH_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020]
life_history (categorical): annual (3); perennial (1) [sources: NHNSW_2022; SAH_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (3); woody (1); woody_root (2) [sources: NHNSW_2022; NTH_2022; SAH_2022; WAH_2022_2; Wenk_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020]
parasitic (categorical): not_parasitic (2) [sources: White_2020]
pollination_syndrome (categorical): insect (3) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): barochory (1); zoochory (2) [sources: Draper_2023; White_2020]
dispersers (categorical): invertebrates (2); passive (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): nnnnnnnnnnnn (1); yyyyyynnnnnn (1); yyyyyyyyyyyy (2) [sources: NHNSW_2014_2; WAH_1998; White_2020]
seedbank_longevity_class (categorical): persistent (2) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (2) [sources: White_2020]
bud_bank_location (categorical): basal_stem_buds (2); fleshy_underground_organ (2) [sources: Crowley_2007; Nano_2011]

seed morphology

seed_length (numerical): 4.12 mm (3-5 mm) [sources: NHNSW_2023; SAH_2023]

whole plant morphology

plant_height (numerical): 0.32 m (0.1-0.6 m) [sources: NTH_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (2) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	20	40	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
SAH_2023	14	20	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/.
NHNSW_2023	9	13	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	9	12	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/.
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.
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.
SAH_2022	3	3	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	3	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Crowley_2007	2	2	G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
NTH_2022	2	2	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/.
Nano_2011	2	2	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.
WAH_2023_2	1	2	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://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.
Wenk_2023_2	1	1	E. Wenk and D. Coleman. “Unpublished: Rain and flood-related flowering cues for Australia's flora, University of New South Wales, Australia”. 2023.