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Red Bistort Persicaria amplexicaulis 

 
 
Attracts BeesBees are attracted to this plant
Attracts Wasps
Attracts HoverfliesHoverflies are attracted to this plant
Perennial Life CyclePerennial life cycle
Tubular FlowersTubular flowers
Red FlowersRed flowers
5 Petals5 petals
Jul-Oct Flowering
period
Heart-Shaped LeavesHeart-shaped leaves
Crinkly-Edged LeavesCrinkly-edged leaves
Round StemRound stem
Fibrous RootsFibrous roots
120cmMaximum height
 
 
  Main image of Red Bistort
© 2021 Adrian Briggs
 

Red Bistort is a non-native perennial plant of the UK, typically found growing in hedgerows and waste ground, to a mature height of up to 120cm.

Red Bistort, a native of China and the Himalayas, was introduced into the UK in the nineteenth century. It bears attractive spikes of intense red flowers, elevated on flower stems above its leaf canopy. The plant has unusual leaves which are heart-shaped, with a long tapering point, and clasp the stem with lobes extending behind the stem. The leaves are also dock-like in appearance, having a prominent midrib and veins.

Botanic classification and naming: Red Bistort is a member of the Knotweed (Polygonaceae) family. The genus name 'Persicaria' identifies the plant as a Knotweed and its species name 'amplexicaulis' means 'stem-clasping plant'.

 
Flower of Red Bistort

© 2021 Adrian Briggs

 

Flowers:
Red Bistort usually flowers between July and October.

Flower colour:

Flower Colour Red

Red

Flower shape:

Flower Shape  Tubular

Tubular

Petals:

Petal Number =  5

5

Leaf of Red Bistort

© 2021 Adrian Briggs

 

Leaves:

Leaf Shape:

Leaf Shape is Heart

Heart

Leaf Margins:

Leaf Margin is crinkly-edged

crinkly-edged

Stem of Red Bistort

© 2021 Adrian Briggs

 

Stem and Roots:

Stem shape:

Stem Shape is Round

Round

Root type:

Root Type is Fibrous

Fibrous