Bistorta amplexicaulis

Bistorta amplexicaulis (synonym Persicaria amplexicaulis), the red bistort[2] or mountain fleece, is a species of flowering plant in the buckwheat family, native to China, the Himalayas, and Pakistan. It is a damp-loving herbaceous perennial growing to 1.2 m (4 ft) tall and wide, with heart-shaped pointed leaves, downy beneath, and narrow spikes of rose-red or white flowers in summer.[3][4]

Bistorta amplexicaulis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Bistorta
Species:
B. amplexicaulis
Binomial name
Bistorta amplexicaulis
(D. Don) Greene[1]
Synonyms[1]
  • Bistorta henryi Yonek. & H.Ohashi
  • Bistorta oxyphylla (Wall. ex Meisn.) Greene
  • Bistorta petiolata (D.Don) Petrov
  • Bistorta speciosa Greene
  • Persicaria amplexicaulis (D.Don) Ronse Decr.
  • Polygonum amplexicaule D.Don
  • Polygonum oxyphyllum Wall. ex Meisn.
  • Polygonum petiolatum D.Don

Numerous cultivars have been developed for garden use, including 'Firetail'.[5]

Etymology

The specific epithet amplexicaulis means "clasping or embracing the stem", and refers to the leaves' habit of growing around the stem.[6]

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References
  1. "Bistorta amplexicaulis (D.Don) Greene". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-03-01.
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  4. Flora of China, Polygonum amplexicaule D. Don, 1825. 包茎拳参 bao jing quan shen
  5. "RHS Plant Selector - Persicaria amplexicaulis 'Firetail'". Retrieved 25 May 2013.
  6. Harrison, Lorraine (2012). RHS Latin for gardeners. United Kingdom: Mitchell Beazley. p. 224. ISBN 9781845337315.


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