Persicaria microcephala (syn. Polygonum microcephalum), the small-headed knotweed, is a species of flowering plant in the family Polygonaceae.[2] It is native to the Himalayas, and central and southern China, and it has been introduced to Great Britain.[1] Its cultivar 'Red Dragon' has gained the Royal Horticultural Society's Award of Garden Merit.[3]
| Persicaria microcephala | |
|---|---|
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| At the Missouri Botanical Garden | |
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| 'Red Dragon' cultivar at RHS Garden Hyde Hall | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Persicaria |
| Species: | P. microcephala
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| Binomial name | |
| Persicaria microcephala | |
| Synonyms[1] | |
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List
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Subtaxa
editThe following varieties are accepted:[1]
- Persicaria microcephala var. microcephala
- Persicaria microcephala var. sphaerocephala (Wall. ex Meisn.) H.Hara
References
edit- ^ a b c "Persicaria microcephala (D.Don) H.Gross". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 14 May 2023.
- ^ "Persicaria microcephala small-headed knotweed". Royal Horticultural Society. Retrieved 14 May 2023.
1 suppliers
- ^ "Persicaria microcephala 'Red Dragon'PBR knotweed 'Red Dragon'". Royal Horticultural Society. Retrieved 14 May 2023.
39 suppliers
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