Scientific Name:
Lysimachia punctata
Pronunciation:
liss-ih-MAY-kee-uh punk-TAY-tuh
Common Name:
circle flower, yellow loosestrife
Family Name:
Primulaceae
Plant Type:
Herbaceous perennial, Invasive plant
Key ID Features:
Leaves mostly whorled at nodes; flowers also whorled, bright yellow.
Habit:
Upright
Form:
Pyramidal - narrowly
Texture:
Medium - coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
Europe
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Humus rich
Water Use:
High
Landscape Uses:
Perennial border, Waterside planting
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Whorled
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Pubescent
Colour in Fall:
Brown
Shapes:
Ovate
Apices:
Acute
Bases:
Rounded
Margins:
Entire, Undulate (wavy)
Additional Info:
Leaves variegated
Inflorescence Type:
Flowers clustered
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Yellow
Flower Time at Peak:
May, Jun, Jul
Additional Info:
arise from leaf axils
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Additional Info:
Not showy,
Bark or Stem Colour:
Green, Brown
Organ Modifications:
Rhizomes
Pest Susceptibility:
(Pest resistant, Disease resistant)
