Persicaria dichotoma

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Family Polygonaceae

Taxonomy: Persicaria dichotoma (Blume) Masam.

Synonyms: 7 (APC 2026-07-30)

Persicaria (Bulkine Billabong entity) (taxonomic synonym)
Persicaria dichohotomum Masam. (orthographic variant)
Persicaria sp. Bulkine Billabong (C.R.Dunlop 5911) (taxonomic synonym)
Polygonum dichotomum Blume (nomenclatural synonym)
Polygonum pedunculare Wall. ex Meisn. (taxonomic synonym)
Polygonum strigosum var. glabratum Domin (doubtful taxonomic synonym)
Truellum dichotomum (Blume) Soják (nomenclatural synonym)

Distribution (APC): NT, Qld, NSW

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

Traits

Top source datasets: NHNSW_2014_2 (3), NHNSW_2022 (3), NHNSW_2023 (15), NTH_2014 (9), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 24 traits from 37 records in 7 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

flower_colour (categorical): white_cream (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 2.15 mm (2-2.3 mm) [sources: NHNSW_2023]
fruit_width (numerical): 2 mm (2-2 mm) [sources: NHNSW_2023]
fruit_height (numerical): 2 mm (2-2 mm) [sources: NHNSW_2023]
fruit_type (categorical): achene (1); nut (1) [sources: NHNSW_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
fruit_colour (categorical): black (1); brown (1); red (1) [sources: NHNSW_2023]

leaf morphology

leaf_length (numerical): 71.25 mm (30-125 mm) [sources: NHNSW_2023; NTH_2014]
leaf_width (numerical): 17.5 mm (10-23 mm) [sources: NHNSW_2023; NTH_2014]
petiole_length (numerical): 0.4 cm (0.1-0.7 cm) [sources: NHNSW_2023]
leaf_shape (categorical): ovate (2) [sources: NHNSW_2023; NTH_2014]
leaf_margin (categorical): entire (1) [sources: NHNSW_2014_2]
leaf_compoundness (categorical): simple (2) [sources: NHNSW_2023; NTH_2014]
leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2014_2]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NHNSW_2023]

life history

plant_growth_form (categorical): herb (2) [sources: NHNSW_2022; Wenk_2022]
life_history (categorical): annual (1); perennial (1) [sources: Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): creeping (1); decumbent (1); prostrate (1) [sources: NHNSW_2022]
leaf_phenology (categorical): evergreen (1) [sources: NTH_2014]
flowering_time (categorical): nnnynnnnnnnn (1) [sources: NTH_2014]

Sources

dataset_id	n_traits	n_records	reference
NHNSW_2023	11	15	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_2014	7	9	Northern Territory Herbarium. Flora of the Darwin Region Online. 2014. url: http://www.lrm.nt.gov.au/plants-and-animals/herbarium/darwin_flora_online.
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.
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/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.