Species of plant
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]
Subtaxa
The following varieties are accepted:[1]
- Persicaria microcephala var. microcephala
- Persicaria microcephala var. sphaerocephala (Wall. ex Meisn.) H.Hara
References
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Persicaria microcephala | |
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Polygonum microcephalum | |
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