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Scientific Name:
Epimedium x perralchicum
Pronunciation:
ep-ih-MEE-dee-um ex pur-AL-kih-kum
Common Name:
yellow epimedium, barrenwort, hybrid bishop's hat
Family Name:
Berberidaceae
Plant Type:
Ground cover, Herbaceous perennial
Key ID Features:
Ground cover with bright yellow flowers with short brown spurs in spring.

Habit:
Spreading
Form:
Creeping / Mat-like
Texture:
Medium - coarse
Mature Height:
0.2 - 0.4m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Moderate
Origin:
Garden origin (E. perralderianum x E. pinnatum subsp. colchicum)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Part sun/part shade, Filtered shade, Sheltered
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Moderate
Landscape Uses:
Ground cover, Woodland margin
Additional Info:
Google. Cultivars shown or on campus may include E. 'Frohnleiten'.

Leaf Morphology:
Form:
Compound
Arrangement:
Basal
Texture/Venation:
Leathery, Pinnate venation
Surfaces:
Lustrous
Compound Leaf:
Trifoliate (ternate)
Colour in Summer:
Green-yellow, Bronze, bronze with red margins when young
Shapes:
Ovate
Bases:
Cordate
Margins:
Pinnately lobed, Spinose

Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
Yellow (bright golden yellow, short brown spurs)
Flower Time at Peak:
Mar, Apr, May

Fruit Type:
Aborted (hybrids) or absent
Fruit Colour:
Fruiting Time:
Additional Info:
Fruit insignificant

Bark Morphology:
Smooth
Bark or Stem Colour:
Organ Modifications:
Rhizomes
Propagation:
Cuttings, Division - below ground parts
Pest Susceptibility:
Sawflies or horntails or ants, Virus (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)

Course(s):
  • HORT 2355
Location(s):
  • (BKW)  Boulevard Kwantlen Way
  • (HPZ)  Horticulture PlaZa
Location Map