Micrantheum demissum

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Family Picrodendraceae

Taxonomy: Micrantheum demissum F.Muell.

Synonyms: 5 (APC 2026-07-30)

Allenia blackiana Ewart & B.Rees (taxonomic synonym)
Allenia blackiana var. microphylla Ewart & B.Rees (taxonomic synonym)
Micrantheum demissum F.Muell. var. demissum (nomenclatural synonym)
Micrantheum demissum var. microphyllum (Ewart & B.Rees) Grüning (taxonomic synonym)
Micrantheum demissum var. typicum Grüning (taxonomic synonym)

Distribution (APC): SA

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

Traits

Top source datasets: Collette_2021 (1), Draper_2023 (3), Kew_2019_1 (1), SAH_2014 (4), SAH_2022 (4), SAH_2023 (15), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20). See below for a full list of sources.
Summary: AusTraits contains 43 traits from 55 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.

fire response

resprouting_capacity (categorical): resprouts (1) [sources: White_2020]

flower morphology

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

fruit morphology

fruit_length (numerical): 6.5 mm (6-7 mm) [sources: SAH_2023]
fruit_type (categorical): capsule (2) [sources: SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1) [sources: Sjostrom_2006]
fruit_colour (categorical): green (1); yellow (1) [sources: SAH_2023]

leaf morphology

leaf_length (numerical): 5.5 mm (3-8 mm) [sources: SAH_2014]
leaf_width (numerical): 2.5 mm (1.5-3.5 mm) [sources: SAH_2014]
leaf_shape (categorical): lanceolate (1); ovate (1) [sources: SAH_2023]
leaf_lamina_posture (categorical): flat (1) [sources: SAH_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: White_2020]
plant_growth_form (categorical): shrub (3) [sources: SAH_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (2) [sources: SAH_2022; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: SAH_2022; Wenk_2022]
stem_growth_habit (categorical): dense (1) [sources: SAH_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: Draper_2023; White_2020]
dispersal_syndrome (categorical): barochory (1); myrmecochory (1); zoochory (1) [sources: Draper_2023; White_2020]
dispersers (categorical): ants (1); invertebrates (1); passive (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): nnnnnnnyynnn (1) [sources: White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
seed_dormancy_class (categorical): physical_dormancy (1) [sources: Collette_2021]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]

seed morphology

seed_dry_mass (numerical): 5.53 mg (5.53-5.53 mg) [sources: Kew_2019_1]
seed_length (numerical): 3.5 mm (3.5-3.5 mm) [sources: SAH_2023]
seed_width (numerical): 1.5 mm (1.5-1.5 mm) [sources: SAH_2023]
seed_shape (categorical): cylindrical (1) [sources: SAH_2023]

whole plant morphology

plant_height (numerical): 0.2 m (0.1-0.3 m) [sources: SAH_2023]
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.
SAH_2023	13	15	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/.
SAH_2014	2	4	J. P. Jessop and H. R. Toelken. Flora of South Australia, 4th edition, 4 vols. Electronic version curated by J. Kellermann, State Herbarium of South Australia.. Government Printer, Adelaide, 1986.
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/.
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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Collette_2021	1	1	J. C. Collette and M. K. J. Ooi. “Distribution of seed dormancy classes across a fire-prone continent: effects of rainfall seasonality and temperature”. Annals of Botany 127.5 (2021), pp. 613-620. doi: 10.1093/aob/mcaa203.
Kew_2019_1	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.