Persicaria microcephala

Persicaria microcephala
	At the Missouri Botanical Garden
	'Red Dragon' cultivar at RHS Garden Hyde Hall
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Polygonaceae
Genus:	Persicaria
Species:	P. microcephala
Binomial name
	Persicaria microcephala; (D.Don) H.Gross
Synonyms
	List Ampelygonum microcephalum (D.Don) M.A.Hassan; Persicaria sphaerocephala (Wall. ex Meisn.) H.Gross; Polygonum ciliatum Buch.-Ham. ex D.Don; Polygonum microcephalum D.Don; Polygonum microcephalum var. sphaerocephalum (Wall. ex Meisn.) Murata; Polygonum podocephalum Klotzsch; Polygonum sphaerocephalum Wall. ex Meisn.; Polygonum staticiflorum Wall.; Polygonum wallichii Wight; ;

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

[2]

[1]

[3]