Persicaria prostrata, basionym Polygonum prostratum, is a species of flowering plant in the family Polygonaceae, native to Australia[3] and perhaps New Zealand.[4] It is known by the common name of creeping knotweed.[5]
| Persicaria prostrata | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Persicaria |
| Species: | P. prostrata
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| Binomial name | |
| Persicaria prostrata | |
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| Occurrence data from AVH | |
| Synonyms[3] | |
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Description
editDecumbent perennial herb with stems up to about 40 cm long.[5] Leaves lanceolate to narrowly elliptic, 1–5 cm long, 3–10 mm wide with short hairs on the margins and main veins.[5][6] Ochreas lobed with hairs 1–2 mm long.[5][6] Compact short cylindrical flower spikes from 0.6–4 cm long and 4–7 mm diameter.[6]
Ecology
editPersicaria prostrata grows on banks of streams, ground-tanks and ditches[6] and on heavy soils in areas prone to inundation.[5]
Taxonomy
editThe plant was first described in 1810 by Robert Brown as Polygonum prostratum,[7][8] but was assigned to the genus Persicaria by Jiří Soják in 1974.[1][2]
Gallery
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Habitat -
Habitat -
Detail of leaves and ochreas -
Flower spike -
Flowers
References
edit- ^ a b "Persicaria prostrata". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
- ^ a b Sojak, J. (1974). "Bemerkungen zur Gattung Truellum Houtt. (Polygonaceae)" (PDF). Preslia. 46 (2): 154.
- ^ a b "Persicaria prostrata (R.Br.) Soják | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2020-03-08.
- ^ "Persicaria prostrata | New Zealand Plant Conservation Network". Retrieved 2020-03-08.
- ^ a b c d e Stajsic, V. (2019-03-29). "Flora of Victoria: Persicaria prostrata". VICFLORA Flora of Victoria. Retrieved 2020-03-08.
- ^ a b c d Wilson, K. L. (2014). "PlantNET - FloraOnline: Persicaria prostrata". plantnet.rbgsyd.nsw.gov.au. Retrieved 2020-03-08.
- ^ "Polygonum prostratum". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
- ^ Brown, R. (1810) Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 419
External links
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Data related to Persicaria prostrata at Wikispecies
Media related to Persicaria prostrata at Wikimedia Commons
