Details of...
Scientific Name: Bistorta officinalis ( syn. Persicaria bistorta )
Pronunciation: bis-TOR-tuh uh-fiss-ih-NAY-liss
Common Name: European bisort
Family Name: Polygonaceae
Plant Type: Herbaceous perennial
Key ID Features: Leaves arising from rhizome or alternate, margins entire, wavy; inflorescence cylindrical, about 3 cm x 4-10 cm long, petals pink; achenes brown, about 3 x 4 mm, shiny, smooth.
Course(s): not used (off campus)

Habit: Arching, Spreading
Form: Vase
Texture: Coarse
Mature Size:
Height:0.7 - 1.3m
Spread:0.6 - 1.0m
Origin: Europe
Hardiness Rating: Zone 4: (-34 to -29 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium:
Landscape Uses: Fall interest, Herb, Medicinal plant, Perennial border, Summer interest
Additional Info: Google. Cultivar shown B. 'Superbum'.
European bisort
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate, Basal
Texture/ Venation: Soft flexible
Surfaces: Glabrous
Leaf(let) Terms:
Shapes: Ovate
Apices: Acute
Bases: Cordate
Margins: Entire

Inflorescence Type: Floriferous, Raceme
Flower Morphology:Flowers perfect
Number of Petals:0
Corolla Shape:Funnelform
Ovary Position:Superior
Colour (petals): Pink
Flower Time at Peak: May, Jun, Jul, Aug
Additional Info: Four, petal-like sepals

Fruit Type: Nut, Achene
Fruit Colour: Black, Brown
Fruiting Time: Oct, Nov
Additional Info: Not showy
Bark or Stem Colour: Green
Organ Modifications: Rhizomes
(NCA) Not Currently Available : not used
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