Hypericum japonicum

Explore the data for this taxon in the portal

Family Hypericaceae

Taxonomy: Hypericum japonicum Thunb.

Synonyms: 2 (APC 2026-07-30)

Hypericum japonicum Thunb. var. japonicum (nomenclatural synonym)
Hypericum japonicum var. simplicius R.Keller (taxonomic synonym)

Distribution (APC): WA, SA, NSW, ACT, Vic, Tas

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

Traits

Top source datasets: Angevin_2011 (7), Britton_1994 (2), Cheal_2017 (8), Draper_2023 (3), Hughes_1992 (3), Jordan_2001 (6), Kew_2019_1 (2), Kew_2019_5 (1), Kew_2019_6 (3), Mokany_2015 (2), Munroe_2019 (1), NHNSW_2014_2 (3), NHNSW_2022 (3), NHNSW_2023 (10), NSWFRD_2014 (10), Pickup_2021 (10), RBGV_2022 (4), RBGV_2023 (12), SAH_2022 (4), SAH_2023 (12), Soliveres_2012 (3), WAH_1998 (1), WAH_2022_2 (4), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), White_2020 (20), Williams_2005 (5), Williams_2011 (10). See below for a full list of sources.
Summary: AusTraits contains 60 traits from 154 records in 29 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): partial_resprouting (3); resprouts (2) [sources: Cheal_2017; NSWFRD_2014; Pickup_2021; White_2020]
post_fire_recruitment (categorical): post_fire_recruitment (3) [sources: Cheal_2017; Pickup_2021]

flower morphology

flower_colour (categorical): yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (1); monoecious (1) [sources: Jordan_2001]

fruit morphology

fruit_length (numerical): 7 mm (7-7 mm) [sources: NHNSW_2023]
fruit_type (categorical): capsule (3) [sources: NHNSW_2023; RBGV_2023; SAH_2023]
fruit_fleshiness (categorical): dry (1) [sources: Jordan_2001]
fruit_dehiscence (categorical): dehiscent (1) [sources: SAH_2023]

leaf morphology

leaf_area (numerical): 163 mm2 (21.44-304.55 mm2) [sources: Angevin_2011; Mokany_2015]
leaf_length (numerical): 6 mm (2-10 mm) [sources: NHNSW_2023; RBGV_2023; SAH_2023]
leaf_width (numerical): 3.38 mm (2-5 mm) [sources: RBGV_2023; SAH_2023]
leaf_mass_per_area (numerical): 164.83 g/m2 (164.83-164.83 g/m2) [sources: Angevin_2011]
leaf_dry_matter_content (numerical): 0.42 g/g (0.42-0.42 g/g) [sources: Angevin_2011]
leaf_shape (categorical): elliptical (2); narrowly_elliptical (1); oblong (2); obovate (3); ovate (1) [sources: NHNSW_2023; RBGV_2023; SAH_2023]
leaf_margin (categorical): entire (2) [sources: NHNSW_2014_2; SAH_2023]
leaf_margin_posture (categorical): undulate (1) [sources: RBGV_2023]
leaf_compoundness (categorical): simple (2) [sources: NHNSW_2023; SAH_2023]
leaf_lamina_posture (categorical): flat (1) [sources: SAH_2023]
leaf_phyllotaxis (categorical): opposite (2) [sources: NHNSW_2023; SAH_2023]
leaf_arrangement (categorical): clustered (1) [sources: NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: NHNSW_2023; RBGV_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (3) [sources: Munroe_2019; White_2020; Williams_2011]
plant_growth_form (categorical): herb (13) [sources: Angevin_2011; Hughes_1992; NHNSW_2022; NSWFRD_2014; Pickup_2021; RBGV_2022; SAH_2022; Soliveres_2012; WAH_2022_2; Wenk_2022; White_2020; Williams_2011]
life_form (categorical): hemicryptophyte (2) [sources: Williams_2005; Williams_2011]
life_history (categorical): annual (3); perennial (5) [sources: Cheal_2017; Jordan_2001; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2023; Williams_2005]
woodiness_detailed (categorical): herbaceous (5) [sources: NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (3); erect (1); mat-forming (1); prostrate (4) [sources: Angevin_2011; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; White_2020]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020; Williams_2011]
root_structure (categorical): arbuscular_mycorrhizal (1) [sources: Williams_2011]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: Draper_2023; White_2020]
pollination_system (categorical): biotic_unspecialised (1) [sources: Williams_2011]
dispersal_syndrome (categorical): anemochory (6); barochory (1); zoochory (1) [sources: Angevin_2011; Draper_2023; Kew_2019_5; NSWFRD_2014; Soliveres_2012; White_2020; Williams_2005; Williams_2011]
dispersers (categorical): invertebrates (1); wind (3) [sources: Draper_2023; NSWFRD_2014; Soliveres_2012; White_2020]
flowering_time (categorical): nnnnnnnnnyyn (1); yynnnnnnnnny (2); yynnnnnnyyyy (1); yyynnnnnnyyy (1) [sources: Hughes_1992; NHNSW_2014_2; NSWFRD_2014; WAH_1998; White_2020]
seedbank_location (categorical): soil_seedbank (4) [sources: NSWFRD_2014; Pickup_2021; Williams_2005]
seedbank_longevity_class (categorical): persistent (3); transient (2) [sources: Cheal_2017; NSWFRD_2014; Pickup_2021; White_2020]
vegetative_reproduction_ability (categorical): vegetative (2) [sources: White_2020; Williams_2005]
clonal_spread_mechanism (categorical): non_clonal (1) [sources: Williams_2011]
bud_bank_location (categorical): basal_buds (1) [sources: NSWFRD_2014]

seed morphology

seed_dry_mass (numerical): 0.02 mg (0.01-0.05 mg) [sources: Angevin_2011; Kew_2019_1]
seed_length (numerical): 0.6 mm (0.5-0.7 mm) [sources: Jordan_2001; RBGV_2023]
seed_width (numerical): 0.2 mm (0.2-0.2 mm) [sources: Jordan_2001]
seed_shape (categorical): ellipsoid (1); ovoid (1) [sources: RBGV_2023]

whole plant morphology

plant_height (numerical): 0.13 m (0.02-0.2 m) [sources: Hughes_1992; Mokany_2015; NHNSW_2023; RBGV_2023; WAH_2023_2]
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.
RBGV_2023	10	12	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
SAH_2023	10	12	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	10	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/.
NSWFRD_2014	10	10	B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
Pickup_2021	5	10	M. Pickup and T. McDonald. Bushfire impacts — A national model for assessing local landscape restoration priorities. Project Phoenix Report. Greening Australia, 2021. url: https://www.greeningaustralia.org.au/wp-content/uploads/2021/07/1.02R2.pdf.
Williams_2011	10	10	R. P. Duncan, S. E. Clemants, R. T. Corlett, A. K. Hahs, M. A. McCarthy, M. J. McDonnell, M. W. Schwartz, K. Thompson, P. A. Vesk, and N. S. G. Williams. “Plant traits and extinction in urban areas: a meta-analysis of 11 cities”. Global Ecology and Biogeography 20.4 (2011), pp. 509-519. doi: 10.1111/j.1466-8238.2010.00633.x.
Cheal_2017	8	8	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.
Angevin_2011	7	7	T. Angevin. “Species richness and functional trait diversity response to land use in a temperate eucalypt woodland community”. Honours. La Trobe University, 2011.
Jordan_2001	6	6	G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
Williams_2005	5	5	N. S. G. Williams, J. W. Morgan, M. J. McDonnell, and M. A. McCarthy. “Plant traits and local extinctions in natural grasslands along an urban-rural gradient”. Journal of Ecology 93.6 (2005), pp. 1203-1213. doi: 10.1111/j.1365-2745.2005.01039.x.
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/.
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/.
WAH_2022_2	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.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.
Hughes_1992	3	3	L. Hughes and B. Rice. “Unpublished data: Traits data for 643 species, Macquarie University”. 1992.
Kew_2019_6	1	3	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
NHNSW_2014_2	3	3	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
NHNSW_2022	3	3	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/.
Soliveres_2012	3	3	S. Soliveres, D. J. Eldridge, F. Hemmings, and F. T. Maestre. “Nurse plant effects on plant species richness in drylands: The role of grazing, rainfall and species specificity”. Perspectives in Plant Ecology, Evolution and Systematics 14 (2012), pp. 402-410. doi: 10.1016/j.ppees.2012.09.003.
Britton_1994	1	2	D. L. Britton and M. A. Brock. “Seasonal germination from wetland seed banks”. Marine and Freshwater Research 45.8 (1994), pp. 1445-1457. doi: 10.1071/mf9941445.
Kew_2019_1	1	2	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Mokany_2015	2	2	K. Mokany, J. J. Thomson, A. J. J. Lynch, G. J. Jordan, and S. Ferrier. “Linking changes in community composition and function under climate change”. Ecological Applications 25.8 (2015), pp. 2132-2141. doi: 10.1890/14-2384.1.
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.
Kew_2019_5	1	1	Royal Botanic Gardens Kew. Seed dispersal data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.
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.